Joseph Weather in September
Average highs run from 76°F on September 1 to 64°F on September 30, and lows from 47°F to 39°F. Normal precipitation for the month is 1.12 in over about 7 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
- 71°F
- Average low
- 43°F
- Precipitation
- 1.12 in
- Snowfall
- 0.1 in
- Record high
- 95°FSep 2, 1950
- Record low
- 11°FSep 24, 1926
- Chance of a freeze
- 46%
- Daylight
- 13 h 15 min to 11 h 45 min
- Cloud cover
- 44%
- Humidity
- 55%
- Dew point
- 38°F
- Wind
- 4.7 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 | 76°F | 47°F | 94°F 1916 | 32°F 1913 | 18% | 0% |
| Sep 2 | 76°F | 47°F | 95°F 1950 | 32°F 1939 | 19% | 0% |
| Sep 3 | 75°F | 47°F | 92°F 1917 | 27°F 1929 | 19% | 0% |
| Sep 4 | 75°F | 46°F | 93°F 1998 | 30°F 1948 | 19% | 0% |
| Sep 5 | 75°F | 46°F | 92°F 1998 | 30°F 1948 | 20% | 0% |
| Sep 6 | 74°F | 46°F | 92°F 1998 | 25°F 1929 | 20% | 0% |
| Sep 7 | 74°F | 46°F | 95°F 1913 | 26°F 1927 | 20% | 0% |
| Sep 8 | 74°F | 46°F | 89°F 1998 | 24°F 1927 | 20% | 0% |
| Sep 9 | 73°F | 45°F | 91°F 1917 | 29°F 1913 | 21% | 0% |
| Sep 10 | 73°F | 45°F | 89°F 1907 | 28°F 1895 | 21% | 0% |
| Sep 11 | 73°F | 45°F | 94°F 1953 | 31°F 1895 | 21% | 0% |
| Sep 12 | 72°F | 45°F | 90°F 1917 | 30°F 1921 | 22% | 0% |
| Sep 13 | 72°F | 44°F | 87°F 2011 | 23°F 1921 | 22% | 1% |
| Sep 14 | 72°F | 44°F | 88°F 1924 | 25°F 1921 | 22% | 1% |
| Sep 15 | 71°F | 44°F | 90°F 1937 | 23°F 1936 | 23% | 1% |
| Sep 16 | 71°F | 44°F | 93°F 1917 | 23°F 1936 | 23% | 1% |
| Sep 17 | 70°F | 43°F | 91°F 1917 | 26°F 1902 | 23% | 1% |
| Sep 18 | 70°F | 43°F | 95°F 1913 | 25°F 1924 | 24% | 1% |
| Sep 19 | 70°F | 43°F | 92°F 1917 | 25°F 1945 | 24% | 1% |
| Sep 20 | 69°F | 42°F | 91°F 1917 | 26°F 1895 | 24% | 1% |
| Sep 21 | 69°F | 42°F | 85°F 1906 | 28°F 1895 | 25% | 1% |
| Sep 22 | 68°F | 42°F | 86°F 1905 | 23°F 1913 | 25% | 1% |
| Sep 23 | 68°F | 41°F | 88°F 1905 | 20°F 1996 | 25% | 1% |
| Sep 24 | 67°F | 41°F | 88°F 1947 | 11°F 1926 | 25% | 1% |
| Sep 25 | 67°F | 41°F | 89°F 1899 | 16°F 1926 | 25% | 1% |
| Sep 26 | 66°F | 40°F | 90°F 1899 | 18°F 1911 | 26% | 1% |
| Sep 27 | 66°F | 40°F | 83°F 1949 | 24°F 1924 | 26% | 1% |
| Sep 28 | 65°F | 40°F | 84°F 1918 | 21°F 1902 | 26% | 1% |
| Sep 29 | 65°F | 39°F | 83°F 1906 | 21°F 1929 | 27% | 1% |
| Sep 30 | 64°F | 39°F | 83°F 1906 | 25°F 1903 | 27% | 1% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (PDT).
- September 1
- sunrise 6:11 AM, sunset 7:26 PM
- September 30
- sunrise 6:46 AM, sunset 6:31 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00354329 (Joseph), public domain. Records: NOAA GHCN-Daily, station USC00354329, 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.