September weather in Shoshoni, WY
The average temperature in Shoshoni in September is 61.4°F (46.0°F–76.9°F). Average precipitation: 0.86 inches.
September is a fall month in Shoshoni, and is warmer than the annual average of 45.6°F. Daily temperatures swing about 30.9°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 12h 17m. For travel, September is a comfortable month to visit.
Avg High
76.9°F
Avg Low
46.0°F
Precipitation
0.86 in
Snow
0.1 in
September records in Shoshoni
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 95.0°F (2019) | 35.1°F (2020) | 0.42 in (1972) |
| September 2 | 97.0°F (1940) | 41.0°F (1935) | 0.93 in (1973) |
| September 3 | 96.1°F (1940) | 37.9°F (2010) | 1.30 in (1999) |
| September 4 | 100.0°F (2022) | 36.0°F (1935) | 1.15 in (1999) |
| September 5 | 99.0°F (2022) | 39.9°F (1941) | 0.27 in (2023) |
| September 6 | 97.0°F (2020) | 39.9°F (1941) | 0.82 in (1981) |
| September 7 | 95.0°F (2022) | 39.0°F (2010) | 0.41 in (1939) |
| September 8 | 93.9°F (2022) | 33.1°F (2020) | 1.05 in (1934) |
| September 9 | 95.0°F (2021) | 28.0°F (2020) | 0.51 in (1973) |
| September 10 | 95.0°F (2021) | 30.0°F (2020) | 0.42 in (1988) |
| September 11 | 96.1°F (1935) | 34.0°F (2007) | 1.32 in (2019) |
| September 12 | 95.0°F (1935) | 36.0°F (1931) | 0.24 in (1961) |
| September 13 | 90.0°F (1935) | 36.0°F (2012) | 0.78 in (1998) |
| September 14 | 87.1°F (1935) | 39.0°F (2014) | 0.58 in (1982) |
| September 15 | 90.0°F (2018) | 28.9°F (1934) | 1.02 in (2022) |
| September 16 | 90.0°F (2018) | 30.0°F (1941) | 0.49 in (2006) |
| September 17 | 89.1°F (1935) | 30.9°F (1936) | 0.19 in (1965) |
| September 18 | 89.1°F (1935) | 36.0°F (1936) | 0.75 in (2002) |
| September 19 | 93.9°F (1937) | 35.1°F (1934) | 0.72 in (1985) |
| September 20 | 93.0°F (1937) | 34.0°F (1941) | 1.14 in (1989) |
| September 21 | 87.1°F (1936) | 28.0°F (1934) | 0.22 in (1998) |
| September 22 | 89.1°F (1936) | 32.0°F (1941) | 0.57 in (1960) |
| September 23 | 88.0°F (1938) | 35.1°F (1931) | 0.85 in (2016) |
| September 24 | 88.0°F (2020) | 28.9°F (1937) | 0.50 in (2016) |
| September 25 | 91.0°F (2024) | 21.9°F (1934) | 0.50 in (1955) |
| September 26 | 90.0°F (2024) | 19.0°F (1934) | 0.20 in (2013) |
| September 27 | 87.1°F (2010) | 21.0°F (1936) | 1.29 in (2013) |
| September 28 | 89.1°F (2024) | 24.1°F (1935) | 1.64 in (2004) |
| September 29 | 90.0°F (2024) | 19.9°F (1939) | 0.35 in (1950) |
| September 30 | 90.0°F (2024) | 17.1°F (1939) | 0.88 in (2014) |