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 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1981 TO 2026
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 94 09/04 89 5 86 09/21
LOWEST 47 09/28 42 5 52 09/07
09/08
09/09
AVG. MAXIMUM 81.7 79.0 2.7 79.0
AVG. MINIMUM 63.8 59.1 4.7 59.8
MEAN 72.8 69.1 3.7 69.4
DAYS MAX >= 90 5 2.1 2.9 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 9.17 2018
MINIMUM T 2019
TOTALS 2.22 3.42 -1.20 4.13
DAILY AVG. 0.07 0.11 -0.04 0.14
DAYS >= .01 12 8.2 3.8 10
DAYS >= .10 7 5.6 1.4 9
DAYS >= .50 1 2.2 -1.2 3
DAYS >= 1.00 0 1.0 -1.0 1
GREATEST
24 HR. TOTAL 1.00 09/10 TO 09/11 1.80
SNOWFALL (INCHES)
RECORDS
TOTAL MM MM
TOTALS 0.0 0.0 0.0 *T
SINCE 7/1 0.0 0.0 0.0 *T
SNOWDEPTH AVG. 0 0
DAYS >= 1.0 0 0.0 0.0 0
GREATEST
SNOW DEPTH 0 0
24 HR TOTAL 0.0 *T
DEGREE DAYS
HEATING TOTAL 21 39 -18 11
SINCE 7/1 21 40 -19 15
COOLING TOTAL 264 161 103 150
SINCE 1/1 1424 1195 229 1431
................................................................
WIND (MPH)
AVERAGE WIND SPEED 1.0
HIGHEST WIND SPEED/DIRECTION 13/320 DATE 09/20
HIGHEST GUST SPEED/DIRECTION 25/350 DATE 09/05
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.28
NUMBER OF DAYS FAIR 20
NUMBER OF DAYS PC 6
NUMBER OF DAYS CLOUDY 3
AVERAGE RH (PERCENT) 76
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 7 MIXED PRECIP 0
HEAVY RAIN 7 RAIN 5
LIGHT RAIN 12 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 14 FOG W/VIS <= 1/4 MILE 7
HAZE 1
- 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: 2026
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 91 71 81 8 0 16 0.00 0.0 0 0.6 8 330 M M 0 13 340
2 92 71 82 9 0 17 0.00 0.0 0 0.6 7 300 M M 1 11 330
3 93 74 84 11 0 19 0.00 0.0 0 0.6 6 170 M M 0 10 290
4 94 73 84 12 0 19 0.04 0.0 0 1.0 7 310 M M 0 3 11 290
5 88 69 79 7 0 14 0.06 0.0 0 1.2 12 360 M M M 1 25 350
6 81 66 74 2 0 9 0.24 0.0 0 0.1 10 290 M M 4 123 15 300
7 84 62 73 1 0 8 0.00 0.0 0 0.9 6 140 M M 1 11 150
8 85 67 76 5 0 11 0.00 0.0 0 2.7 6 130 M M 2 11 180
9 88 69 79 8 0 14 0.00 0.0 0 2.4 7 190 M M 2 14 230
10 77 68 73 2 0 8 0.53 0.0 0 0.8 7 310 M M 7 1 14 230
11 81 68 75 4 0 10 0.48 0.0 0 0.6 6 180 M M 6 123 10 150
12 75 68 72 2 0 7 0.21 0.0 0 1.5 6 180 M M 7 12 9 140
13 85 67 76 6 0 11 0.00 0.0 0 0.9 7 320 M M 7 12 11 300
14 77 62 70 0 0 5 0.00 0.0 0 0.4 6 130 M M 1 12 40
15 88 59 74 5 0 9 0.00 0.0 0 1.5 6 160 M M 0 9 160
16 88 69 79 10 0 14 0.00 0.0 0 0.8 7 310 M M 0 11 320
17 91 70 81 12 0 16 0.00 0.0 0 0.9 8 310 M M 0 13 15 310
18 84 71 78 10 0 13 0.03 0.0 0 0.3 7 320 M M 2 18 12 300
19 81 70 76 8 0 11 0.27 0.0 0 1.8 8 160 M M 6 123 15 190
20 88 69 79 11 0 14 0.11 0.0 0 1.6 13 320 M M 2 13 21 340
21 87 69 78 11 0 13 0.00 0.0 0 1.0 12 300 M M 3 13 19 320
22 69 61 65 -2 0 0 0.01 0.0 0 0.0 3 50 M M 10 12 8 10
23 71 61 66 -1 0 1 0.23 0.0 0 0.4 5 60 M M 10 12 9 70
24 68 56 62 -4 3 0 0.01 0.0 0 0.4 5 80 M M 10 1 10 70
25 70 51 61 -5 4 0 0.00 0.0 0 1.1 7 140 M M 1 10 130
26 70 49 60 -6 5 0 0.00 0.0 0 0.4 6 340 M M 0 11 350
27 72 48 60 -5 5 0 0.00 0.0 0 1.1 9 320 M M 0 14 330
28 74 47 61 -4 4 0 0.00 0.0 0 0.6 8 310 M M 1 13 290
29 76 53 65 0 0 0 0.00 0.0 0 0.6 6 140 M M 0 9 140
30 82 57 70 6 0 5 0.00 0.0 0 3.3 9 170 M M 0 16 170
================================================================================
SM 2450 1915 21 264 2.22 0.0 30.1 M 83
================================================================================
AV 81.7 63.8 1.0 FASTST M M 3 MAX(MPH)
MISC ----> 13 320 25 350
================================================================================
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: 2026
LATITUDE: 37 35 N
LONGITUDE: 83 19 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 72.8 TOTAL FOR MONTH: 2.22 1 = FOG OR MIST
DPTR FM NORMAL: 3.7 DPTR FM NORMAL: -1.20 2 = FOG REDUCING VISIBILITY
HIGHEST: 94 ON 4 GRTST 24HR 1.00 ON 10-11 TO 1/4 MILE OR LESS
LOWEST: 47 ON 28 3 = THUNDER
SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS
TOTAL MONTH: 0.0 INCH 5 = HAIL
GRTST 24HR 0.0 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: 12
MAX 90 OR ABOVE: 5 0.10 INCH OR MORE: 7
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 1
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 21 CLEAR (SCALE 0-3) 20
DPTR FM NORMAL -18 PTCLDY (SCALE 4-7) 6
TOTAL FM JUL 1 21 CLOUDY (SCALE 8-10) 4
DPTR FM NORMAL -19
[CDD (BASE 65) ]
TOTAL THIS MO. 264
DPTR FM NORMAL 103 [PRESSURE DATA]
TOTAL FM JAN 1 1424 HIGHEST SLP 30.34 ON 16
DPTR FM NORMAL 229 LOWEST SLP 29.86 ON 21
[REMARKS]
#FINAL-09-26#
...THE LONDON KY CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2026...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1954 TO 2026
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 97R 09/04 MM MM 87 09/05
09/20
LOWEST 44 09/27 MM MM 49 09/08
09/28
09/09
AVG. MAXIMUM 86.1 80.0 6.1 81.0
AVG. MINIMUM 63.3 57.6 5.7 57.6
MEAN 74.7 68.8 5.9 69.3
DAYS MAX >= 90 13 3.0 10.0 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 0.88 3.55 -2.67 4.76
DAILY AVG. 0.03 0.12 -0.09 0.16
DAYS >= .01 7 8.3 -1.3 11
DAYS >= .10 2 5.5 -3.5 11
DAYS >= .50 0 2.1 -2.1 3
DAYS >= 1.00 0 1.0 -1.0 2
GREATEST
24 HR. TOTAL 0.39 09/18 TO 09/18 1.44
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 12 38 -26 11
SINCE 7/1 12 37 -25 17
COOLING TOTAL 312 152 160 149
SINCE 1/1 1507 1192 315 MM
................................................................
WIND (MPH)
AVERAGE WIND SPEED 3.3
HIGHEST WIND SPEED/DIRECTION 20/030 DATE 09/18
HIGHEST GUST SPEED/DIRECTION 28/050 DATE 09/18
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.25
NUMBER OF DAYS FAIR 23
NUMBER OF DAYS PC 3
NUMBER OF DAYS CLOUDY 4
AVERAGE RH (PERCENT) 71
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 9 MIXED PRECIP 0
HEAVY RAIN 2 RAIN 4
LIGHT RAIN 8 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 14 FOG W/VIS <= 1/4 MILE 1
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: 2026
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 94 69 82 9 0 17 0.00 M M 1.6 12 280 M M 1 1 16 280
2 95 69 82 9 0 17 0.00 M M 1.2 8 280 M M 1 13 290
3 96 71 84 11 0 19 0.00 M M 1.2 8 180 M M 0 11 150
4 97 71 84 12 0 19 T M M 2.2 16 290 M M 1 3 23 290
5 93 70 82 10 0 17 0.00 M M 2.9 16 20 M M 1 3 24 10
6 87 69 78 6 0 13 0.00 M M 5.3 15 20 M M 2 21 50
7 88 63 76 4 0 11 0.00 M M 3.5 10 50 M M 3 15 40
8 86 66 76 5 0 11 0.00 M M 2.9 13 200 M M 2 18 190
9 92 66 79 8 0 14 0.00 M M 5.9 17 240 M M 2 8 26 250
10 83 72 78 7 0 13 T M M 5.8 14 220 M M 8 19 210
11 88 71 80 10 0 15 0.02 M M 1.9 13 290 M M 5 16 280
12 77 68 73 3 0 8 0.38 M M 2.8 10 190 M M 5 13 14 180
13 90 65 78 8 0 13 0.00 M M 2.2 12 280 M M 5 12 16 260
14 84 66 75 5 0 10 0.00 M M 5.0 12 40 M M 1 17 50
15 93 59 76 7 0 11 0.00 M M 3.0 10 220 M M 1 15 230
16 92 68 80 11 0 15 T M M 2.4 14 230 M M 1 1 18 230
17 91 68 80 12 0 15 T M M 2.4 15 270 M M 1 1 21 260
18 94 69 82 14 0 17 0.39 M M 3.7 20 30 M M 3 13 28 50
19 87 67 77 9 0 12 0.03 M M 2.9 9 290 M M 2 3 12 280
20 91 68 80 13 0 15 0.00 M M 3.4 14 240 M M 2 13 19 250
21 90 68 79 12 0 14 0.04 M M 3.2 13 250 M M 3 13 17 190
22 77 64 71 4 0 6 0.01 M M 5.5 14 20 M M 9 13 18 50
23 73 63 68 2 0 3 T M M 4.4 13 20 M M 10 13 17 20
24 74 61 68 2 0 3 0.01 M M 5.8 15 30 M M 9 1 24 40
25 76 52 64 -2 1 0 0.00 0.0 M 5.1 14 20 M M 1 19 10
26 77 51 64 -1 1 0 0.00 M M 3.2 13 10 M M 0 18 20
27 75 44 60 -5 5 0 0.00 M M 3.0 13 360 M M 0 1 18 10
28 77 44 61 -3 4 0 0.00 M M 2.4 12 30 M M 0 1 16 30
29 80 47 64 0 1 0 0.00 M M 1.5 9 110 M M 0 1 14 110
30 87 51 69 5 0 4 0.00 M M 3.4 16 230 M M 0 23 240
================================================================================
SM 2584 1900 12 312 0.88 0.0 99.7 M 79
================================================================================
AV 86.1 63.3 3.3 FASTST M M 3 MAX(MPH)
MISC ----> 20 30 28 50
================================================================================
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: 2026
LATITUDE: 37 4 N
LONGITUDE: 84 5 W
[TEMPERATURE DATA] [PRECIPITATION DATA] SYMBOLS USED IN COLUMN 16
AVERAGE MONTHLY: 74.7 TOTAL FOR MONTH: 0.88 1 = FOG OR MIST
DPTR FM NORMAL: 5.9 DPTR FM NORMAL: -2.67 2 = FOG REDUCING VISIBILITY
HIGHEST: 97 ON 4 GRTST 24HR 0.39 ON 18-18 TO 1/4 MILE OR LESS
LOWEST: 44 ON 28,27 3 = THUNDER
SNOW, ICE PELLETS, HAIL 4 = ICE PELLETS
TOTAL MONTH: 0.0 INCH 5 = HAIL
GRTST 24HR 0.0 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: 7
MAX 90 OR ABOVE: 13 0.10 INCH OR MORE: 2
MIN 32 OR BELOW: 0 0.50 INCH OR MORE: 0
MIN 0 OR BELOW: 0 1.00 INCH OR MORE: 0
[HDD (BASE 65) ]
TOTAL THIS MO. 12 CLEAR (SCALE 0-3) 23
DPTR FM NORMAL -26 PTCLDY (SCALE 4-7) 4
TOTAL FM JUL 1 12 CLOUDY (SCALE 8-10) 3
DPTR FM NORMAL -25
[CDD (BASE 65) ]
TOTAL THIS MO. 312
DPTR FM NORMAL 160 [PRESSURE DATA]
TOTAL FM JAN 1 1507 HIGHEST SLP 30.35 ON 16
DPTR FM NORMAL 315 LOWEST SLP 29.86 ON 5
[REMARKS]
#FINAL-09-26#
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