September weather in Port Lions, AK
The average temperature in Port Lions in September is 48.7°F (42.8°F–54.6°F). Average precipitation: inches.
September is a fall month in Port Lions, and is warmer than the annual average of 40.5°F. Daily temperatures swing about 11.8°F between overnight low and afternoon high. Daylight averages about 12h 28m. For travel, September is cool.
Avg High
54.6°F
Avg Low
42.8°F
Precipitation
in
Daylight
12h 28m
September records in Port Lions
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 64.0°F (1990) | 39.9°F (1997) | 1.04 in (1999) |
| September 2 | 64.9°F (1993) | 37.9°F (2005) | 0.58 in (1998) |
| September 3 | 66.9°F (1996) | 37.0°F (2005) | 0.48 in (1991) |
| September 4 | 64.0°F (1989) | 39.0°F (1995) | 0.35 in (1990) |
| September 5 | 63.0°F (2004) | 37.0°F (2005) | 2.18 in (1995) |
| September 6 | 66.9°F (1989) | 37.9°F (2004) | 1.20 in (1995) |
| September 7 | 70.0°F (1989) | 41.0°F (2003) | 2.29 in (1996) |
| September 8 | 62.1°F (1993) | 37.0°F (1998) | 1.18 in (1996) |
| September 9 | 60.1°F (1990) | 37.9°F (1998) | 0.66 in (1989) |
| September 10 | 63.0°F (1990) | 41.0°F (2003) | 1.67 in (1998) |
| September 11 | 64.9°F (1989) | 34.0°F (1992) | 1.10 in (1999) |
| September 12 | 62.1°F (1997) | 34.0°F (1992) | 0.61 in (1990) |
| September 13 | 64.0°F (1997) | 37.9°F (1989) | 1.51 in (1996) |
| September 14 | 66.0°F (1997) | 37.9°F (1989) | 1.48 in (1991) |
| September 15 | 60.1°F (2005) | 37.0°F (2000) | 0.95 in (2006) |
| September 16 | 63.0°F (1989) | 30.9°F (1996) | 4.14 in (1997) |
| September 17 | 60.1°F (1997) | 32.0°F (1996) | 2.16 in (1995) |
| September 18 | 62.1°F (1997) | 34.0°F (2000) | 3.66 in (1995) |
| September 19 | 60.1°F (1989) | 32.0°F (2000) | 1.72 in (1990) |
| September 20 | 61.0°F (1989) | 32.0°F (1996) | 2.45 in (1995) |
| September 21 | 57.9°F (1990) | 27.0°F (1992) | 1.02 in (2001) |
| September 22 | 66.9°F (2000) | 27.0°F (1992) | 2.22 in (1997) |
| September 23 | 59.0°F (1989) | 28.9°F (1992) | 1.00 in (1991) |
| September 24 | 59.0°F (1989) | 28.9°F (1996) | 1.74 in (1994) |
| September 25 | 57.0°F (2005) | 30.9°F (2005) | 1.34 in (1996) |
| September 26 | 55.9°F (2003) | 26.1°F (1992) | 0.60 in (2002) |
| September 27 | 61.0°F (1989) | 27.0°F (1992) | 1.87 in (1990) |
| September 28 | 57.0°F (2003) | 32.0°F (1996) | 2.00 in (1993) |
| September 29 | 57.9°F (1989) | 28.0°F (1989) | 2.33 in (1991) |
| September 30 | 55.9°F (1989) | 28.0°F (1996) | 0.84 in (1998) |