Lander County Weather in September
Average highs run from 85°F on September 1 to 74°F on September 30, and lows from 45°F to 34°F. Normal precipitation for the month is 0.50 in over about 3 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
- 80°F
- Average low
- 40°F
- Precipitation
- 0.50 in
- Record high
- 97°FSep 1, 1950
- Record low
- 17°FSep 26, 2000
- Chance of a freeze
- 84%
- Days of 90°F or more
- 1.7
- Daylight
- 13 h 03 min to 11 h 48 min
- Cloud cover
- 34%
- Humidity
- 30%
- Dew point
- 27°F
- Wind
- 6.9 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 | 85°F | 45°F | 97°F 1950 | 35°F 2008 | 9% |
| Sep 2 | 84°F | 45°F | 94°F 1950 | 32°F 1964 | 9% |
| Sep 3 | 84°F | 44°F | 96°F 1919 | 33°F 1912 | 9% |
| Sep 4 | 84°F | 44°F | 93°F 1919 | 27°F 1912 | 9% |
| Sep 5 | 83°F | 44°F | 93°F 1955 | 30°F 1911 | 9% |
| Sep 6 | 83°F | 43°F | 94°F 1955 | 30°F 1911 | 9% |
| Sep 7 | 83°F | 43°F | 92°F 2022 | 29°F 1927 | 9% |
| Sep 8 | 83°F | 43°F | 91°F 1944 | 24°F 2009 | 9% |
| Sep 9 | 82°F | 42°F | 92°F 1944 | 28°F 2009 | 10% |
| Sep 10 | 82°F | 42°F | 92°F 1990 | 26°F 1952 | 10% |
| Sep 11 | 82°F | 42°F | 91°F 1990 | 25°F 1952 | 10% |
| Sep 12 | 81°F | 41°F | 92°F 1953 | 26°F 1914 | 10% |
| Sep 13 | 81°F | 41°F | 92°F 1971 | 28°F 1894 | 10% |
| Sep 14 | 81°F | 41°F | 89°F 1952 | 26°F 1970 | 10% |
| Sep 15 | 80°F | 40°F | 89°F 1937 | 31°F 1936 | 10% |
| Sep 16 | 80°F | 40°F | 89°F 1937 | 29°F 1965 | 10% |
| Sep 17 | 79°F | 39°F | 90°F 1956 | 18°F 1965 | 10% |
| Sep 18 | 79°F | 39°F | 91°F 1929 | 23°F 1965 | 10% |
| Sep 19 | 79°F | 39°F | 90°F 1929 | 23°F 1965 | 11% |
| Sep 20 | 78°F | 38°F | 89°F 1927 | 20°F 1924 | 11% |
| Sep 21 | 78°F | 38°F | 90°F 1927 | 22°F 1895 | 11% |
| Sep 22 | 77°F | 37°F | 87°F 1949 | 25°F 1895 | 11% |
| Sep 23 | 77°F | 37°F | 87°F 1987 | 27°F 1913 | 11% |
| Sep 24 | 77°F | 37°F | 85°F 1928 | 22°F 1958 | 11% |
| Sep 25 | 76°F | 36°F | 87°F 1963 | 20°F 1934 | 11% |
| Sep 26 | 76°F | 36°F | 86°F 1960 | 17°F 2000 | 11% |
| Sep 27 | 75°F | 35°F | 86°F 1963 | 25°F 1915 | 11% |
| Sep 28 | 75°F | 35°F | 86°F 2024 | 24°F 1986 | 11% |
| Sep 29 | 75°F | 35°F | 86°F 1963 | 23°F 2009 | 11% |
| Sep 30 | 74°F | 34°F | 87°F 1980 | 20°F 1950 | 11% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (PDT).
- September 1
- sunrise 6:16 AM, sunset 7:19 PM
- September 30
- sunrise 6:44 AM, sunset 6:32 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00260800 (Beowawe 49S - U Of N Rch), public domain. Records: NOAA GHCN-Daily, station USC00260507, 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.