September weather in Cowley, WY
The average temperature in Cowley in September is 58.6°F (43.1°F–74.2°F). Average precipitation: 0.79 inches.
September is a fall month in Cowley, and is warmer than the annual average of 44.9°F. Daily temperatures swing about 31.1°F between overnight low and afternoon high. Expect about 4 days with precipitation. Daylight averages about 12h 18m. For travel, September is a comfortable month to visit.
Avg High
74.2°F
Avg Low
43.1°F
Precipitation
0.79 in
Snow
0.1 in
September records in Cowley
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 98.1°F (1954) | 33.1°F (1914) | 0.75 in (1973) |
| September 2 | 99.0°F (1983) | 32.0°F (1959) | 1.32 in (2008) |
| September 3 | 96.1°F (1976) | 33.1°F (1900) | 0.39 in (1926) |
| September 4 | 98.1°F (1978) | 28.9°F (1962) | 0.40 in (1971) |
| September 5 | 99.0°F (1978) | 30.9°F (1918) | 0.75 in (2023) |
| September 6 | 98.1°F (1978) | 26.1°F (1898) | 0.39 in (1976) |
| September 7 | 95.0°F (1980) | 28.0°F (1898) | 0.45 in (1970) |
| September 8 | 99.0°F (2022) | 27.0°F (1929) | 0.67 in (1946) |
| September 9 | 98.1°F (1979) | 27.0°F (1899) | 0.44 in (1973) |
| September 10 | 91.9°F (1981) | 23.0°F (1898) | 0.84 in (1961) |
| September 11 | 90.0°F (1958) | 21.9°F (1898) | 0.50 in (1978) |
| September 12 | 93.9°F (1971) | 25.0°F (1898) | 1.26 in (2019) |
| September 13 | 97.0°F (1981) | 27.0°F (1970) | 0.57 in (1998) |
| September 14 | 93.0°F (1959) | 27.0°F (1952) | 0.30 in (1917) |
| September 15 | 93.9°F (1959) | 27.0°F (1970) | 1.05 in (2017) |
| September 16 | 90.0°F (1948) | 27.0°F (1936) | 1.00 in (2006) |
| September 17 | 91.0°F (1979) | 27.0°F (1965) | 0.94 in (1996) |
| September 18 | 90.0°F (1914) | 23.0°F (1971) | 0.60 in (2019) |
| September 19 | 90.0°F (1920) | 24.1°F (1965) | 0.69 in (1985) |
| September 20 | 91.0°F (1981) | 19.9°F (1983) | 0.48 in (1931) |
| September 21 | 91.9°F (1966) | 19.9°F (1983) | 0.46 in (1940) |
| September 22 | 90.0°F (1966) | 23.0°F (1971) | 0.45 in (1962) |
| September 23 | 90.0°F (1966) | 25.0°F (1971) | 0.55 in (2023) |
| September 24 | 90.0°F (1966) | 18.0°F (1926) | 1.22 in (2016) |
| September 25 | 88.0°F (1943) | 14.0°F (1926) | 0.42 in (1942) |
| September 26 | 91.9°F (2015) | 17.1°F (1926) | 0.80 in (1915) |
| September 27 | 90.0°F (2024) | 17.1°F (1900) | 0.84 in (1915) |
| September 28 | 91.9°F (2015) | 18.0°F (1984) | 0.51 in (1925) |
| September 29 | 89.1°F (2014) | 21.0°F (1984) | 0.41 in (1940) |
| September 30 | 93.9°F (2024) | 17.1°F (1985) | 1.14 in (1918) |