September weather in Coffman Cove, AK
The average temperature in Coffman Cove in September is 52.1°F (45.2°F–58.9°F). Average precipitation: 8.63 inches.
September is a fall month in Coffman Cove, and is warmer than the annual average of 44.3°F. Daily temperatures swing about 13.7°F between overnight low and afternoon high. Daylight averages about 12h 26m. For travel, September is a wet month.
Avg High
58.9°F
Avg Low
45.2°F
Precipitation
8.63 in
Daylight
12h 26m
September records in Coffman Cove
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 66.0°F (2012) | 42.1°F (2012) | 1.04 in (2017) |
| September 2 | 71.1°F (2023) | 37.9°F (2015) | 0.41 in (2012) |
| September 3 | 71.1°F (2022) | 37.9°F (2015) | 1.57 in (2022) |
| September 4 | 73.0°F (2025) | 39.9°F (2015) | 1.37 in (2011) |
| September 5 | 77.0°F (2017) | 44.1°F (2012) | 0.90 in (2024) |
| September 6 | 82.9°F (2017) | 42.1°F (2023) | 0.98 in (2011) |
| September 7 | 68.0°F (2018) | 41.0°F (2012) | 0.82 in (2022) |
| September 8 | 68.0°F (2012) | 46.0°F (2024) | 0.74 in (2011) |
| September 9 | 64.0°F (2014) | 39.9°F (2014) | 1.30 in (2017) |
| September 10 | 69.1°F (2023) | 39.9°F (2014) | 0.71 in (2012) |
| September 11 | 73.0°F (2023) | 39.9°F (2011) | 1.20 in (2015) |
| September 12 | 69.1°F (2024) | 39.9°F (2016) | 1.11 in (2012) |
| September 13 | 68.0°F (2011) | 37.0°F (2018) | 1.47 in (2012) |
| September 14 | 68.0°F (2022) | 37.0°F (2018) | 1.20 in (2015) |
| September 15 | 66.9°F (2022) | 37.9°F (2018) | 1.86 in (2023) |
| September 16 | 63.0°F (2014) | 33.1°F (2018) | 0.61 in (2016) |
| September 17 | 73.9°F (2025) | 32.0°F (2018) | 0.65 in (2017) |
| September 18 | 64.9°F (2022) | 33.1°F (2018) | 1.40 in (2011) |
| September 19 | 64.9°F (2022) | 37.0°F (2012) | 0.75 in (2014) |
| September 20 | 66.9°F (2022) | 34.0°F (2018) | 1.32 in (2011) |
| September 21 | 68.0°F (2022) | 35.1°F (2018) | 1.96 in (2014) |
| September 22 | 70.0°F (2022) | 35.1°F (2018) | 1.25 in (2025) |
| September 23 | 64.0°F (2014) | 33.1°F (2018) | 1.75 in (2016) |
| September 24 | 62.1°F (2018) | 39.0°F (2011) | 0.70 in (2019) |
| September 25 | 60.1°F (2012) | 36.0°F (2011) | 0.75 in (2016) |
| September 26 | 59.0°F (2012) | 36.0°F (2011) | 1.73 in (2016) |
| September 27 | 66.0°F (2014) | 37.0°F (2012) | 1.47 in (2012) |
| September 28 | 64.0°F (2017) | 39.0°F (2011) | 1.15 in (2014) |
| September 29 | 68.0°F (2018) | 37.0°F (2016) | 1.41 in (2014) |
| September 30 | 63.0°F (2018) | 34.0°F (2018) | 0.78 in (2011) |