September weather in Whittier, AK
The average temperature in Whittier in September is 49.5°F (44.7°F–54.2°F). Average precipitation: 22.52 inches.
September is a fall month in Whittier, and is warmer than the annual average of 41.1°F. Daily temperatures swing about 9.5°F between overnight low and afternoon high. Expect about 18 days with precipitation. Daylight averages about 12h 32m. For travel, September is a wet month.
Avg High
54.2°F
Avg Low
44.7°F
Precipitation
22.52 in
Daylight
12h 32m
September records in Whittier
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 64.9°F (1942) | 39.9°F (1970) | 3.14 in (1998) |
| September 2 | 68.0°F (1943) | 39.0°F (1948) | 5.47 in (1989) |
| September 3 | 73.0°F (1957) | 34.0°F (1945) | 6.80 in (1957) |
| September 4 | 73.0°F (1957) | 41.0°F (1943) | 4.00 in (1953) |
| September 5 | 66.0°F (1943) | 39.0°F (1960) | 3.00 in (2006) |
| September 6 | 72.0°F (1966) | 34.0°F (1957) | 2.67 in (1992) |
| September 7 | 64.9°F (1944) | 34.0°F (1957) | 6.42 in (1982) |
| September 8 | 63.0°F (2005) | 33.1°F (1970) | 3.25 in (1986) |
| September 9 | 66.0°F (2010) | 30.9°F (1970) | 3.58 in (1997) |
| September 10 | 62.1°F (2005) | 32.0°F (1970) | 2.98 in (1995) |
| September 11 | 66.0°F (1997) | 37.9°F (1943) | 4.01 in (1944) |
| September 12 | 69.1°F (2006) | 36.0°F (1947) | 4.12 in (1957) |
| September 13 | 69.1°F (1957) | 35.1°F (1962) | 4.60 in (1999) |
| September 14 | 64.0°F (1959) | 37.0°F (1948) | 4.57 in (1994) |
| September 15 | 64.9°F (2010) | 32.0°F (1943) | 6.15 in (1966) |
| September 16 | 70.0°F (1957) | 34.0°F (1943) | 3.58 in (1991) |
| September 17 | 66.9°F (2010) | 30.9°F (1945) | 3.72 in (1994) |
| September 18 | 66.0°F (2010) | 33.1°F (1962) | 2.76 in (1966) |
| September 19 | 64.9°F (1957) | 34.0°F (2003) | 5.93 in (1982) |
| September 20 | 62.1°F (1942) | 34.0°F (1992) | 10.92 in (1995) |
| September 21 | 61.0°F (1942) | 33.1°F (1956) | 3.09 in (1995) |
| September 22 | 60.1°F (1942) | 30.0°F (1956) | 3.79 in (1960) |
| September 23 | 63.0°F (1957) | 30.0°F (1960) | 4.30 in (1958) |
| September 24 | 61.0°F (1942) | 30.9°F (1960) | 3.84 in (1987) |
| September 25 | 62.1°F (2010) | 30.0°F (1960) | 2.93 in (1966) |
| September 26 | 57.9°F (1942) | 30.9°F (1948) | 3.53 in (2004) |
| September 27 | 64.0°F (1942) | 30.0°F (1952) | 4.59 in (1985) |
| September 28 | 60.1°F (1942) | 28.9°F (1956) | 4.05 in (1993) |
| September 29 | 57.0°F (1968) | 33.1°F (1956) | 4.21 in (1991) |
| September 30 | 60.1°F (1966) | 23.0°F (1957) | 6.69 in (1984) |