Sublette Weather in September
Average highs run from 90°F on September 1 to 81°F on September 30, and lows from 60°F to 49°F. Normal precipitation for the month is 1.30 in over about 4 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
- 86°F
- Average low
- 55°F
- Precipitation
- 1.30 in
- Record high
- 105°FSep 5, 1945
- Record low
- 25°FSep 30, 1985
- Chance of a freeze
- 3%
- Days of 90°F or more
- 9.6
- Daylight
- 12 h 58 min to 11 h 50 min
- Cloud cover
- 42%
- Humidity
- 51%
- Dew point
- 49°F
- Wind
- 11.4 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 | 90°F | 60°F | 104°F 2011 | 46°F 1965 | 16% | 0% |
| Sep 2 | 89°F | 60°F | 102°F 1937 | 45°F 1974 | 16% | 0% |
| Sep 3 | 89°F | 59°F | 104°F 1947 | 37°F 1974 | 16% | 0% |
| Sep 4 | 89°F | 59°F | 102°F 1954 | 40°F 1961 | 16% | 0% |
| Sep 5 | 89°F | 59°F | 105°F 1945 | 42°F 1928 | 15% | 0% |
| Sep 6 | 89°F | 59°F | 102°F 1931 | 44°F 1956 | 15% | 0% |
| Sep 7 | 88°F | 58°F | 103°F 2000 | 45°F 1918 | 15% | 0% |
| Sep 8 | 88°F | 58°F | 99°F 1939 | 43°F 1943 | 15% | 0% |
| Sep 9 | 88°F | 58°F | 99°F 1983 | 39°F 2001 | 14% | 0% |
| Sep 10 | 88°F | 57°F | 100°F 1956 | 40°F 1959 | 14% | 0% |
| Sep 11 | 87°F | 57°F | 101°F 1956 | 44°F 1959 | 14% | 0% |
| Sep 12 | 87°F | 57°F | 100°F 1931 | 38°F 1924 | 14% | 0% |
| Sep 13 | 87°F | 56°F | 102°F 1931 | 39°F 1974 | 14% | 0% |
| Sep 14 | 87°F | 56°F | 101°F 1931 | 39°F 1945 | 14% | 0% |
| Sep 15 | 86°F | 56°F | 99°F 1931 | 35°F 1993 | 14% | 0% |
| Sep 16 | 86°F | 55°F | 98°F 1952 | 33°F 1993 | 14% | 0% |
| Sep 17 | 86°F | 55°F | 100°F 1942 | 37°F 1981 | 14% | 0% |
| Sep 18 | 86°F | 54°F | 101°F 1954 | 39°F 1971 | 14% | 0% |
| Sep 19 | 85°F | 54°F | 101°F 1980 | 34°F 1971 | 14% | 0% |
| Sep 20 | 85°F | 54°F | 97°F 1948 | 34°F 1983 | 14% | 0% |
| Sep 21 | 85°F | 53°F | 98°F 1980 | 29°F 1983 | 14% | 0% |
| Sep 22 | 84°F | 53°F | 97°F 1944 | 31°F 1995 | 14% | 0% |
| Sep 23 | 84°F | 52°F | 95°F 1933 | 30°F 1995 | 14% | 0% |
| Sep 24 | 84°F | 52°F | 98°F 1933 | 34°F 1989 | 14% | 0% |
| Sep 25 | 83°F | 52°F | 95°F 1924 | 31°F 2000 | 14% | 0% |
| Sep 26 | 83°F | 51°F | 97°F 1998 | 31°F 2000 | 14% | 0% |
| Sep 27 | 82°F | 51°F | 95°F 1953 | 29°F 1942 | 14% | 0% |
| Sep 28 | 82°F | 50°F | 98°F 1953 | 30°F 1945 | 13% | 0% |
| Sep 29 | 82°F | 50°F | 97°F 2010 | 27°F 1985 | 13% | 0% |
| Sep 30 | 81°F | 49°F | 97°F 1998 | 25°F 1985 | 13% | 0% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (CDT).
- September 1
- sunrise 7:14 AM, sunset 8:12 PM
- September 30
- sunrise 7:38 AM, sunset 7:28 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00147922 (Sublette 7WSW), public domain. Records: NOAA GHCN-Daily, station USC00147922, 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.