Independence Weather in September
Average highs run from 98°F on September 1 to 87°F on September 30, and lows from 62°F to 54°F. Normal precipitation for the month is 0.11 in over about 1 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
- 93°F
- Average low
- 58°F
- Precipitation
- 0.11 in
- Record high
- 108°FSep 4, 1988
- Record low
- 30°FSep 27, 1948
- Chance of a freeze
- 0%
- Days of 90°F or more
- 20.9
- Daylight
- 12 h 57 min to 11 h 50 min
- Cloud cover
- 21%
- Humidity
- 30%
- Dew point
- 26°F
- Wind
- 5.6 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Sep 1 | 98°F | 62°F | 106°F 1976 | 46°F 1964 | 5% |
| Sep 2 | 97°F | 62°F | 105°F 2017 | 45°F 2000 | 5% |
| Sep 3 | 97°F | 62°F | 107°F 1988 | 43°F 2000 | 5% |
| Sep 4 | 97°F | 62°F | 108°F 1988 | 41°F 1912 | 5% |
| Sep 5 | 97°F | 61°F | 108°F 1988 | 39°F 1912 | 5% |
| Sep 6 | 96°F | 61°F | 106°F 1988 | 43°F 1925 | 5% |
| Sep 7 | 96°F | 61°F | 103°F 1955 | 44°F 1914 | 5% |
| Sep 8 | 96°F | 61°F | 102°F 1993 | 45°F 1893 | 5% |
| Sep 9 | 95°F | 60°F | 104°F 1979 | 42°F 1927 | 5% |
| Sep 10 | 95°F | 60°F | 103°F 2015 | 42°F 1927 | 5% |
| Sep 11 | 95°F | 60°F | 103°F 2015 | 37°F 1952 | 4% |
| Sep 12 | 94°F | 59°F | 104°F 2015 | 38°F 1916 | 4% |
| Sep 13 | 94°F | 59°F | 103°F 2015 | 39°F 1893 | 4% |
| Sep 14 | 93°F | 59°F | 104°F 1971 | 39°F 1914 | 4% |
| Sep 15 | 93°F | 59°F | 105°F 1971 | 40°F 1893 | 4% |
| Sep 16 | 93°F | 58°F | 101°F 2014 | 40°F 1893 | 4% |
| Sep 17 | 92°F | 58°F | 102°F 2000 | 40°F 1965 | 4% |
| Sep 18 | 92°F | 58°F | 101°F 2000 | 38°F 1978 | 4% |
| Sep 19 | 92°F | 57°F | 101°F 2016 | 35°F 1925 | 4% |
| Sep 20 | 91°F | 57°F | 100°F 1975 | 41°F 1965 | 4% |
| Sep 21 | 91°F | 57°F | 100°F 1987 | 37°F 1924 | 4% |
| Sep 22 | 90°F | 56°F | 99°F 1987 | 34°F 1895 | 4% |
| Sep 23 | 90°F | 56°F | 99°F 2003 | 37°F 1895 | 4% |
| Sep 24 | 90°F | 56°F | 99°F 2003 | 37°F 1923 | 4% |
| Sep 25 | 89°F | 55°F | 101°F 2003 | 39°F 1920 | 4% |
| Sep 26 | 89°F | 55°F | 101°F 2003 | 33°F 1986 | 4% |
| Sep 27 | 88°F | 55°F | 100°F 2003 | 30°F 1948 | 4% |
| Sep 28 | 88°F | 54°F | 101°F 2003 | 39°F 1971 | 4% |
| Sep 29 | 88°F | 54°F | 102°F 2010 | 34°F 1925 | 4% |
| Sep 30 | 87°F | 54°F | 103°F 2010 | 34°F 1925 | 4% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (PDT).
- September 1
- sunrise 6:24 AM, sunset 7:21 PM
- September 30
- sunrise 6:47 AM, sunset 6:37 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00044232 (Independence), public domain. Records: NOAA GHCN-Daily, station USC00044232, 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.