September weather in Wasilla, AK
The average temperature in Wasilla in September is 47.1°F (39.5°F–54.6°F). Average precipitation: 2.86 inches.
September is a fall month in Wasilla, and is warmer than the annual average of 37°F. Daily temperatures swing about 15.1°F between overnight low and afternoon high. Expect about 12 days with precipitation. Daylight averages about 12h 33m. For travel, September is cool.
Avg High
54.6°F
Avg Low
39.5°F
Precipitation
2.86 in
Snow
0.1 in
September records in Wasilla
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 72.0°F (1974) | 32.0°F (1972) | 1.04 in (1997) |
| September 2 | 68.0°F (1979) | 28.0°F (1972) | 0.49 in (1995) |
| September 3 | 68.0°F (1977) | 23.0°F (1980) | 0.55 in (2005) |
| September 4 | 69.1°F (1977) | 27.0°F (1980) | 0.93 in (1987) |
| September 5 | 70.0°F (1974) | 26.1°F (1980) | 0.64 in (1988) |
| September 6 | 70.0°F (1974) | 21.9°F (1996) | 1.07 in (2002) |
| September 7 | 69.1°F (1974) | 30.0°F (1983) | 1.40 in (1977) |
| September 8 | 70.0°F (1974) | 30.9°F (1975) | 1.70 in (1972) |
| September 9 | 71.1°F (1974) | 30.9°F (1973) | 1.12 in (1990) |
| September 10 | 66.9°F (1979) | 28.9°F (1971) | 0.91 in (1990) |
| September 11 | 66.9°F (1979) | 21.0°F (1992) | 1.10 in (1975) |
| September 12 | 71.1°F (1979) | 21.0°F (1992) | 0.71 in (1972) |
| September 13 | 64.0°F (1978) | 30.9°F (1971) | 1.10 in (1982) |
| September 14 | 63.0°F (1997) | 26.1°F (1987) | 1.23 in (1985) |
| September 15 | 64.0°F (1982) | -17.0°F (1996) | 1.18 in (1980) |
| September 16 | 66.9°F (1971) | 21.0°F (1972) | 1.05 in (1977) |
| September 17 | 64.0°F (1981) | 18.0°F (1972) | 0.65 in (1993) |
| September 18 | 64.0°F (1995) | 24.1°F (1972) | 0.73 in (1992) |
| September 19 | 64.0°F (1973) | 19.0°F (1972) | 0.88 in (1984) |
| September 20 | 63.0°F (1995) | 24.1°F (1977) | 0.56 in (1985) |
| September 21 | 63.0°F (1974) | 26.1°F (1992) | 1.09 in (1988) |
| September 22 | 63.0°F (1974) | 17.1°F (1992) | 0.88 in (2000) |
| September 23 | 64.9°F (1995) | 21.0°F (1992) | 0.94 in (2006) |
| September 24 | 64.0°F (1975) | 21.9°F (1992) | 0.84 in (2005) |
| September 25 | 64.9°F (1976) | -16.1°F (1996) | 0.52 in (1985) |
| September 26 | 64.9°F (1995) | 19.0°F (1992) | 1.15 in (1972) |
| September 27 | 64.9°F (1995) | 21.0°F (1981) | 0.98 in (1974) |
| September 28 | 62.1°F (1975) | -2.9°F (1971) | 0.83 in (2002) |
| September 29 | 59.0°F (1975) | 19.9°F (1992) | 0.76 in (1977) |
| September 30 | 64.0°F (2003) | 21.9°F (1974) | 0.98 in (1993) |