September Precipitation, Snowfall Records & Averages

Heavy Rain Across the Southern US; Unsettled Pattern in the Pacific Northwest

A storm system will bring heavy rainfall, thunderstorms, and flooding threats to portions of the Southern Plains Friday, the Lower Mississippi Valley Saturday, and the Southeast into the Mid-Atlantic on Sunday. High elevation snow and mixed precipitation and rain in the lower elevations will impact the Pacific Northwest this weekend before a stronger system moves in early next week. Read More >

September Normal Daily Precipitation (1991-2020)
Daily Precipitation Records (1930-2024)
Day	Normal Precipitation	Record Precipitation	Date
1	.05	1.14	1966
2	.05	3.63	2024
3	.06	1.69	1986
4	.05	3.29	1986
5	.06	3.60	1944
6	.05	1.51	1962
7	.06	2.09	1932
8	.05	1.44	1989
9	.06	1.58	1990
10	.06	2.26	1980
11	.06	0.82	1981
12	.06	1.98	1975
13	.06	0.85	1933
14	.06	0.73	1995
15	.05	1.66	1958
16	.05	0.79	1974
17	.06	1.50	1936
18	.05	1.50	1988
19	.05	1.77	1946
20	.05	0.38	1965
21	.06	1.74	1978
22	.06	2.98	1932
23	.05	1.95	1980
24	.06	1.77	1961
25	.05	1.50	1936
26	.06	1.23	2017
27	.05	1.23	1980
28	.06	4.66	2012
29	.05	0.84	1932
30	.06	1.26	1941
MONTH	1.66

September Normal Daily Precipitation (1991-2020)
Daily Precipitation Records (1930-2024)

Day

Normal Precipitation

Record Precipitation

Date

.05

1.14

1966

.05

3.63

2024

.06

1.69

1986

.05

3.29

1986

.06

3.60

1944

.05

1.51

1962

.06

2.09

1932

.05

1.44

1989

.06

1.58

1990

.06

2.26

1980

.06

0.82

1981

.06

1.98

1975

.06

0.85

1933

.06

0.73

1995

.05

1.66

1958

.05

0.79

1974

.06

1.50

1936

.05

1.50

1988

.05

1.77

1946

.05

0.38

1965

.06

1.74

1978

.06

2.98

1932

.05

1.95

1980

.06

1.77

1961

.05

1.50

1936

.06

1.23

2017

.05

1.23

1980

.06

4.66

2012

.05

0.84

1932

.06

1.26

1941

MONTH

1.66