Johnsonville Weather in September
Average highs run from 87°F on September 1 to 80°F on September 30, and lows from 69°F to 60°F. Normal precipitation for the month is 6.91 in over about 8 wet days.
September day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
September at a glance
- Average high
- 84°F
- Average low
- 65°F
- Precipitation
- 6.91 in
- Record high
- 105°FSep 4, 1925
- Record low
- 41°FSep 11, 2006
- Chance of a freeze
- 0%
- Days of 90°F or more
- 4.2
- Daylight
- 12 h 51 min to 11 h 51 min
- Cloud cover
- 52%
- Humidity
- 79%
- Dew point
- 66°F
- Wind
- 7.8 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Sep 1 | 87°F | 69°F | 101°F 1912 | 50°F 1976 | 30% | 0% |
| Sep 2 | 87°F | 69°F | 101°F 1912 | 54°F 2005 | 29% | 0% |
| Sep 3 | 86°F | 69°F | 100°F 1944 | 54°F 1967 | 29% | 0% |
| Sep 4 | 86°F | 68°F | 105°F 1925 | 53°F 1994 | 29% | 0% |
| Sep 5 | 86°F | 68°F | 100°F 1921 | 55°F 1924 | 28% | 0% |
| Sep 6 | 86°F | 68°F | 99°F 1921 | 55°F 1997 | 28% | 0% |
| Sep 7 | 86°F | 68°F | 99°F 1921 | 50°F 1924 | 28% | 0% |
| Sep 8 | 85°F | 68°F | 98°F 1939 | 53°F 1932 | 28% | 0% |
| Sep 9 | 85°F | 67°F | 101°F 1939 | 50°F 1914 | 27% | 0% |
| Sep 10 | 85°F | 67°F | 102°F 1939 | 47°F 1956 | 27% | 0% |
| Sep 11 | 85°F | 67°F | 96°F 1939 | 41°F 2006 | 27% | 0% |
| Sep 12 | 84°F | 67°F | 98°F 2002 | 51°F 1976 | 27% | 0% |
| Sep 13 | 84°F | 66°F | 96°F 1977 | 51°F 1940 | 26% | 0% |
| Sep 14 | 84°F | 66°F | 98°F 1938 | 49°F 1985 | 26% | 0% |
| Sep 15 | 84°F | 66°F | 98°F 1927 | 49°F 1985 | 26% | 0% |
| Sep 16 | 84°F | 66°F | 98°F 1942 | 51°F 1967 | 26% | 0% |
| Sep 17 | 83°F | 65°F | 98°F 1931 | 51°F 1961 | 26% | 0% |
| Sep 18 | 83°F | 65°F | 101°F 1931 | 49°F 1908 | 26% | 0% |
| Sep 19 | 83°F | 65°F | 98°F 1925 | 51°F 1910 | 26% | 0% |
| Sep 20 | 83°F | 64°F | 99°F 1942 | 49°F 1929 | 26% | 0% |
| Sep 21 | 82°F | 64°F | 98°F 1925 | 47°F 1962 | 26% | 0% |
| Sep 22 | 82°F | 63°F | 100°F 1940 | 46°F 1918 | 26% | 0% |
| Sep 23 | 82°F | 63°F | 94°F 1921 | 46°F 1918 | 26% | 0% |
| Sep 24 | 82°F | 63°F | 98°F 1942 | 46°F 1918 | 26% | 0% |
| Sep 25 | 82°F | 62°F | 94°F 1980 | 45°F 1995 | 26% | 0% |
| Sep 26 | 81°F | 62°F | 95°F 1931 | 47°F 1950 | 26% | 0% |
| Sep 27 | 81°F | 61°F | 95°F 1986 | 47°F 1950 | 26% | 0% |
| Sep 28 | 81°F | 61°F | 95°F 1911 | 49°F 1914 | 26% | 0% |
| Sep 29 | 81°F | 61°F | 95°F 1911 | 45°F 1909 | 25% | 0% |
| Sep 30 | 80°F | 60°F | 94°F 1939 | 45°F 1909 | 25% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (EDT).
- September 1
- sunrise 6:52 AM, sunset 7:43 PM
- September 30
- sunrise 7:12 AM, sunset 7:03 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00384111 (Hemingway 8 Ese), public domain. Records: NOAA GHCN-Daily, station USC00381997, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.