Wainwright Weather in September
Average highs run from 45°F on September 1 to 32°F on September 30, and lows from 36°F to 25°F.
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
- 39°F
- Average low
- 31°F
- Record high
- 62°FSep 4, 1957
- Record low
- 1°FSep 28, 1957
- Chance of a freeze
- 100%
- Daylight
- 15 h 31 min to 11 h 10 min
- Cloud cover
- 78%
- Humidity
- 90%
- Dew point
- 33°F
- Wind
- 11.2 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 | 45°F | 36°F | 58°F 1937 | 20°F 1983 | |
| Sep 2 | 45°F | 36°F | 61°F 1954 | 22°F 1936 | |
| Sep 3 | 45°F | 35°F | 53°F 2000 | 20°F 1955 | |
| Sep 4 | 44°F | 35°F | 62°F 1957 | 19°F 1955 | |
| Sep 5 | 44°F | 35°F | 61°F 2006 | 12°F 1911 | |
| Sep 6 | 44°F | 35°F | 61°F 2019 | 17°F 1955 | |
| Sep 7 | 43°F | 34°F | 56°F 1940 | 18°F 1975 | |
| Sep 8 | 43°F | 34°F | 61°F 1989 | 20°F 1945 | |
| Sep 9 | 42°F | 34°F | 57°F 1921 | 19°F 1945 | |
| Sep 10 | 42°F | 33°F | 55°F 2001 | 19°F 1955 | |
| Sep 11 | 41°F | 33°F | 60°F 2007 | 21°F 1931 | |
| Sep 12 | 41°F | 33°F | 52°F 1997 | 18°F 1924 | |
| Sep 13 | 40°F | 32°F | 58°F 2007 | 10°F 1992 | |
| Sep 14 | 40°F | 32°F | 53°F 2006 | 13°F 1992 | |
| Sep 15 | 39°F | 32°F | 55°F 1973 | 15°F 1987 | |
| Sep 16 | 39°F | 31°F | 51°F 2010 | 14°F 1987 | |
| Sep 17 | 38°F | 31°F | 51°F 1991 | 12°F 1983 | |
| Sep 18 | 38°F | 30°F | 57°F 1995 | 9°F 1948 | |
| Sep 19 | 37°F | 30°F | 62°F 1995 | 6°F 1948 | |
| Sep 20 | 37°F | 29°F | 47°F 1974 | 10°F 1931 | |
| Sep 21 | 36°F | 29°F | 60°F 1995 | 13°F 1948 | |
| Sep 22 | 36°F | 29°F | 62°F 1995 | 8°F 1983 | |
| Sep 23 | 35°F | 28°F | 51°F 1953 | 7°F 1983 | |
| Sep 24 | 35°F | 28°F | 53°F 1995 | 3°F 1985 | |
| Sep 25 | 34°F | 27°F | 46°F 1910 | 7°F 1924 | |
| Sep 26 | 34°F | 27°F | 53°F 1929 | 4°F 1922 | |
| Sep 27 | 33°F | 26°F | 45°F 1929 | 6°F 1924 | |
| Sep 28 | 33°F | 26°F | 46°F 1929 | 1°F 1957 | |
| Sep 29 | 32°F | 25°F | 43°F 1989 | 2°F 1981 | |
| Sep 30 | 32°F | 25°F | 48°F 2016 | 5°F 1975 |
Chance of rain
Sunrise and sunset
Times for 2026, local time (AKDT).
- September 1
- sunrise 6:53 AM, sunset 10:24 PM
- September 30
- sunrise 8:54 AM, sunset 8:04 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00027503 (Wainwright AP), public domain. Records: NOAA GHCN-Daily, station USW00027502, 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.