A storm system will shift from eastern Texas into the lower Mississippi Valley today with additional threats of severe thunderstorms and heavy to excessive rainfall which may bring flooding. In the northern U.S., a storm will bring heavy snow and gusty winds over parts of the northern Rockies, northern Plains, and Upper Midwest today into Wednesday. Read More >
The following are the September climate summaries for Jackson and London as well as the
September Local Climatological Data reports for Jackson and London:
...THE JACKSON KY CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1981 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 98 09/10/2019
LOW 34 09/24/1989
HIGHEST 86 09/21 89 -3 92 09/20
LOWEST 52 09/07 42 10 47 09/09
09/08
09/09
AVG. MAXIMUM 79.0 79.0 0.0 80.1
AVG. MINIMUM 59.8 59.1 0.7 61.3
MEAN 69.4 69.1 0.3 70.7
DAYS MAX >= 90 0 2.1 -2.1 3
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.0 0.0 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 9.17 2018
MINIMUM T 2019
TOTALS 4.13 3.42 0.71 4.49
DAILY AVG. 0.14 0.11 0.03 0.15
DAYS >= .01 10 8.2 1.8 13
DAYS >= .10 9 5.6 3.4 7
DAYS >= .50 3 2.2 0.8 3
DAYS >= 1.00 1 1.0 0.0 2
GREATEST
24 HR. TOTAL 1.80 09/05 TO 09/06 1.75
SNOWFALL (INCHES)
RECORDS
TOTAL MM MM
TOTALS *T 0.0 0.0 0.0
SINCE 7/1 *T 0.0 0.0 0.0
SNOWDEPTH AVG. 0 0
DAYS >= 1.0 0 0.0 0.0 0
GREATEST
SNOW DEPTH 0 0
24 HR TOTAL *T 09/05 0
DEGREE DAYS
HEATING TOTAL 11 39 -28 8
SINCE 7/1 15 40 -25 9
COOLING TOTAL 150 161 -11 189
SINCE 1/1 1228 1195 33 1431
................................................................
WIND (MPH)
AVERAGE WIND SPEED 1.1
HIGHEST WIND SPEED/DIRECTION 22/310 DATE 09/05
HIGHEST GUST SPEED/DIRECTION 46/290 DATE 09/05
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.28
NUMBER OF DAYS FAIR 22
NUMBER OF DAYS PC 6
NUMBER OF DAYS CLOUDY 2
AVERAGE RH (PERCENT) 72
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 8 MIXED PRECIP 0
HEAVY RAIN 7 RAIN 9
LIGHT RAIN 10 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL *1
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 13 FOG W/VIS <= 1/4 MILE 7
HAZE 0
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
&&
...*HAIL...
$$
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: JACKSON KY
MONTH: SEPTEMBER
YEAR: 2025
LATITUDE: 37 35 N
LONGITUDE: 83 19 W
TEMPERATURE IN F: :PCPN: SNOW: WIND :SUNSHINE: SKY :PK WND
================================================================================
1 2 3 4 5 6A 6B 7 8 9 10 11 12 13 14 15 16 17 18
12Z AVG MX 2MIN
DY MAX MIN AVG DEP HDD CDD WTR SNW DPTH SPD SPD DIR MIN PSBL S-S WX SPD DR
================================================================================
1 81 57 69 -4 0 4 0.00 0.0 0 0.2 7 140 M M 1 11 110
2 80 58 69 -4 0 4 0.20 0.0 0 2.4 8 270 M M 3 13 17 250
3 77 57 67 -6 0 2 0.15 0.0 0 2.7 10 260 M M 2 123 20 270
4 70 61 66 -6 0 1 0.80 0.0 0 3.0 12 310 M M 7 123 19 240
5 84 62 73 1 0 8 1.25 T 0 3.2 22 310 M M 3 1235 46 290
6 65 55 60 -12 5 0 0.55 0.0 0 1.0 7 330 M M 10 123 11 330
7 71 52 62 -10 3 0 0.00 0.0 0 0.1 7 320 M M 6 12 11 310
8 73 52 63 -8 2 0 0.00 0.0 0 0.9 7 150 M M 2 12 100
9 75 52 64 -7 1 0 0.00 0.0 0 0.3 7 180 M M 1 11 160
10 78 54 66 -5 0 1 0.00 0.0 0 1.4 7 290 M M 1 11 320
11 80 60 70 -1 0 5 0.00 0.0 0 0.1 6 150 M M 4 10 140
12 79 58 69 -1 0 4 0.00 0.0 0 0.1 6 130 M M 0 11 140
13 81 57 69 -1 0 4 0.00 0.0 0 0.3 6 150 M M 1 10 280
14 83 63 73 3 0 8 0.00 0.0 0 0.0 6 320 M M 4 9 320
15 84 62 73 4 0 8 0.00 0.0 0 0.0 3 350 M M 1 7 80
16 79 61 70 1 0 5 T 0.0 0 0.8 6 120 M M 2 1 9 110
17 80 57 69 0 0 4 0.00 0.0 0 0.1 5 140 M M 0 12 9 140
18 83 60 72 4 0 7 0.00 0.0 0 0.6 6 310 M M 0 8 320
19 85 60 73 5 0 8 0.00 0.0 0 0.6 6 320 M M 1 10 300
20 83 62 73 5 0 8 0.02 0.0 0 1.5 7 140 M M 2 3 12 170
21 86 65 76 9 0 11 T 0.0 0 4.1 9 180 M M 1 3 17 180
22 81 65 73 6 0 8 0.21 0.0 0 3.0 15 260 M M 4 13 29 250
23 81 64 73 6 0 8 0.45 0.0 0 2.0 8 170 M M 7 12 14 310
24 76 66 71 5 0 6 0.34 0.0 0 1.6 7 180 M M 9 1 13 180
25 79 65 72 6 0 7 0.16 0.0 0 1.6 9 180 M M 7 1 20 230
26 76 64 70 4 0 5 0.00 0.0 0 0.1 5 140 M M 6 9 130
27 80 62 71 6 0 6 0.00 0.0 0 0.6 8 330 M M 2 14 310
28 80 58 69 4 0 4 0.00 0.0 0 0.2 5 80 M M 0 1 12 70
29 82 63 73 8 0 8 0.00 0.0 0 0.4 7 90 M M 0 14 70
30 79 63 71 7 0 6 0.00 0.0 0 0.1 5 10 M M 2 10 150
================================================================================
SM 2371 1795 11 150 4.13 T 33.0 M 89
================================================================================
AV 79.0 59.8 1.1 FASTST M M 3 MAX(MPH)
MISC ----> 22 310 46 290
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES
COLUMN 17 PEAK WIND IN M.P.H.
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2
STATION: JACKSON KY
MONTH: SEPTEMBER
YEAR: 2025
LATITUDE: 37 35 N
LONGITUDE: 83 19 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 69.4 TOTAL FOR MONTH: 4.13 1 = FOG OR MIST
DPTR FM NORMAL: 0.3 DPTR FM NORMAL: 0.71 2 = FOG REDUCING VISIBILITY
HIGHEST: 86 ON 21 GRTST 24HR 1.80 ON 5- 6 TO 1/4 MILE OR LESS
LOWEST: 52 ON 9, 8 3 = THUNDER
SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS
TOTAL MONTH: T 5 = HAIL
GRTST 24HR T ON 5- 5 6 = FREEZING RAIN OR DRIZZLE
GRTST DEPTH: 0 7 = DUSTSTORM OR SANDSTORM:
VSBY 1/2 MILE OR LESS
8 = SMOKE OR HAZE
[NO. OF DAYS WITH] [WEATHER - DAYS WITH] 9 = BLOWING SNOW
X = TORNADO
MAX 32 OR BELOW: 0 0.01 INCH OR MORE: 10
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 9
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 3
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 1
[HDD (BASE 65) ]
TOTAL THIS MO. 11 CLEAR (SCALE 0-3) 19
DPTR FM NORMAL -28 PTCLDY (SCALE 4-7) 9
TOTAL FM JUL 1 15 CLOUDY (SCALE 8-10) 2
DPTR FM NORMAL -25
[CDD (BASE 65) ]
TOTAL THIS MO. 150
DPTR FM NORMAL -11 [PRESSURE DATA]
TOTAL FM JAN 1 1228 HIGHEST SLP 30.28 ON 8
DPTR FM NORMAL 33 LOWEST SLP 29.79 ON 4
[REMARKS]
#FINAL-09-25#
...THE LONDON KY CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1954 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
................................................................
TEMPERATURE (F)
RECORD
HIGH 97 09/05/2007
LOW 32 09/24/1983
HIGHEST 87 09/05 MM MM 89 09/22
09/20
LOWEST 49 09/08 MM MM 45 09/09
09/09
AVG. MAXIMUM 81.0 80.0 1.0 79.2
AVG. MINIMUM 57.6 57.6 0.0 59.9
MEAN 69.3 68.8 0.5 69.5
DAYS MAX >= 90 0 3.0 -3.0 0
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.0 0.0 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 8.50 2004
MINIMUM 0.11 2019
TOTALS 4.76 3.55 1.21 4.01
DAILY AVG. 0.16 0.12 0.04 0.13
DAYS >= .01 11 8.3 2.7 13
DAYS >= .10 11 5.5 5.5 9
DAYS >= .50 3 2.1 0.9 3
DAYS >= 1.00 2 1.0 1.0 0
GREATEST
24 HR. TOTAL 1.44 09/22 TO 09/23 1.14
SNOWFALL (INCHES)
RECORDS
TOTAL MM MM
TOTALS MM MM MM MM
SINCE 7/1 MM MM MM MM
SNOWDEPTH AVG. MM MM
DAYS >= 1.0 MM MM MM MM
GREATEST
SNOW DEPTH MM MM
24 HR TOTAL MM MM
DEGREE DAYS
HEATING TOTAL 11 38 -27 14
SINCE 7/1 17 37 -20 15
COOLING TOTAL 149 152 -3 156
SINCE 1/1 MM 1192 MM 1041
................................................................
WIND (MPH)
AVERAGE WIND SPEED 2.8
HIGHEST WIND SPEED/DIRECTION 28/270 DATE 09/22
HIGHEST GUST SPEED/DIRECTION 39/260 DATE 09/22
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.30
NUMBER OF DAYS FAIR 20
NUMBER OF DAYS PC 8
NUMBER OF DAYS CLOUDY 2
AVERAGE RH (PERCENT) 72
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 8 MIXED PRECIP 0
HEAVY RAIN 8 RAIN 8
LIGHT RAIN 12 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 23 FOG W/VIS <= 1/4 MILE 4
HAZE 1
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
&&
...NOTE...COOLING DEGREE DAYS TOTAL MISSING SINCE 1/1 DUE TO SENSOR OUTAGE...
$$
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6)
STATION: LONDON KY
MONTH: SEPTEMBER
YEAR: 2025
LATITUDE: 37 4 N
LONGITUDE: 84 5 W
TEMPERATURE IN F: :PCPN: SNOW: WIND :SUNSHINE: SKY :PK WND
================================================================================
1 2 3 4 5 6A 6B 7 8 9 10 11 12 13 14 15 16 17 18
12Z AVG MX 2MIN
DY MAX MIN AVG DEP HDD CDD WTR SNW DPTH SPD SPD DIR MIN PSBL S-S WX SPD DR
================================================================================
1 83 53 68 -5 0 3 0.00 M M 3.1 13 210 M M 2 19 20
2 79 58 69 -4 0 4 0.19 M M 3.0 25 190 M M 5 138 36 210
3 81 61 71 -2 0 6 0.11 M M 4.1 17 230 M M 6 123 24 230
4 74 61 68 -4 0 3 1.09 M M 3.6 12 300 M M 6 13 19 250
5 87 62 75 3 0 10 0.19 M M 4.9 17 240 M M 4 13 26 250
6 69 54 62 -10 3 0 0.42 M M 2.7 9 330 M M 9 13 13 330
7 73 50 62 -10 3 0 0.00 M M 2.4 9 20 M M 7 12 13 20
8 74 49 62 -9 3 0 0.00 M M 3.1 13 20 M M 1 1 19 40
9 77 49 63 -8 2 0 0.00 M M 2.0 10 290 M M 2 15 280
10 81 51 66 -5 0 1 0.00 M M 1.6 10 360 M M 2 1 14 10
11 81 57 69 -1 0 4 T M M 1.2 13 10 M M 1 1 15 20
12 81 54 68 -2 0 3 0.00 M M 2.3 12 360 M M 0 1 17 20
13 83 52 68 -2 0 3 0.00 M M 0.4 8 210 M M 0 1 11 220
14 85 61 73 3 0 8 0.00 M M 1.4 8 110 M M 3 13 120
15 86 59 73 4 0 8 0.00 M M 1.4 7 30 M M 1 1 11 50
16 83 58 71 2 0 6 0.00 M M 1.7 10 80 M M 1 1 16 50
17 82 55 69 1 0 4 0.00 M M 1.7 10 30 M M 1 12 15 80
18 85 55 70 2 0 5 0.00 M M 1.0 10 80 M M 0 1 14 90
19 86 55 71 3 0 6 0.00 M M 0.9 9 150 M M 0 12 160
20 87 59 73 6 0 8 0.00 M M 1.4 8 120 M M 0 11 110
21 83 60 72 5 0 7 0.22 M M 3.9 26 260 M M 1 3 34 270
22 82 61 72 5 0 7 0.16 M M 5.5 28 270 M M 3 13 39 260
23 81 65 73 7 0 8 1.28 M M 4.8 14 200 M M 6 13 20 220
24 78 67 73 7 0 8 0.53 M M 4.9 15 240 M M 9 1 22 250
25 80 66 73 7 0 8 0.38 M M 4.1 13 280 M M 7 1 19 280
26 80 64 72 7 0 7 0.19 M M 2.7 12 40 M M 7 1 15 10
27 81 60 71 6 0 6 0.00 M M 3.3 12 360 M M 3 1 16 20
28 83 55 69 5 0 4 0.00 M M 3.0 13 30 M M 1 12 20 50
29 83 59 71 7 0 6 0.00 M M 4.6 15 40 M M 1 25 40
30 82 59 71 7 0 6 0.00 M M 3.5 13 30 M M 2 1 18 20
================================================================================
SM 2430 1729 11 149 4.76 M 84.2 M 91
================================================================================
AV 81.0 57.6 2.8 FASTST M M 3 MAX(MPH)
MISC ----> 28 270 39 260
================================================================================
NOTES:
# LAST OF SEVERAL OCCURRENCES
COLUMN 17 PEAK WIND IN M.P.H.
PRELIMINARY LOCAL CLIMATOLOGICAL DATA (WS FORM: F-6) , PAGE 2
STATION: LONDON KY
MONTH: SEPTEMBER
YEAR: 2025
LATITUDE: 37 4 N
LONGITUDE: 84 5 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 69.3 TOTAL FOR MONTH: 4.76 1 = FOG OR MIST
DPTR FM NORMAL: 0.5 DPTR FM NORMAL: 1.21 2 = FOG REDUCING VISIBILITY
HIGHEST: 87 ON 20, 5 GRTST 24HR 1.44 ON 22-23 TO 1/4 MILE OR LESS
LOWEST: 49 ON 9, 8 3 = THUNDER
SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS
TOTAL MONTH: M 5 = HAIL
GRTST 24HR M ON M 6 = FREEZING RAIN OR DRIZZLE
GRTST DEPTH: M ON M 7 = DUSTSTORM OR SANDSTORM:
VSBY 1/2 MILE OR LESS
8 = SMOKE OR HAZE
[NO. OF DAYS WITH] [WEATHER - DAYS WITH] 9 = BLOWING SNOW
X = TORNADO
MAX 32 OR BELOW: 0 0.01 INCH OR MORE: 11
MAX 90 OR ABOVE: 0 0.10 INCH OR MORE: 11
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 3
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 2
[HDD (BASE 65) ]
TOTAL THIS MO. 11 CLEAR (SCALE 0-3) 19
DPTR FM NORMAL -27 PTCLDY (SCALE 4-7) 9
TOTAL FM JUL 1 17 CLOUDY (SCALE 8-10) 2
DPTR FM NORMAL -20
[CDD (BASE 65) ]
TOTAL THIS MO. 149
DPTR FM NORMAL -3 [PRESSURE DATA]
TOTAL FM JAN 1 1254 HIGHEST SLP 30.26 ON 8
DPTR FM NORMAL 62 LOWEST SLP 29.80 ON 4
[REMARKS]
#FINAL-09-25#
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