September weather in Sand Point, AK
The average temperature in Sand Point in September is 48.7°F (44.0°F–53.4°F). Average precipitation: 4.95 inches.
September is a fall month in Sand Point, and is warmer than the annual average of 39.9°F. Daily temperatures swing about 9.4°F between overnight low and afternoon high. Expect about 17 days with precipitation. Daylight averages about 12h 26m. For travel, September is cool.
Avg High
53.4°F
Avg Low
44.0°F
Precipitation
4.95 in
Daylight
12h 26m
September records in Sand Point
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 62.6°F (2014) | 36.5°F (2017) | 1.07 in (2013) |
| September 2 | 59.0°F (2025) | 42.1°F (2020) | 1.04 in (2025) |
| September 3 | 64.2°F (2016) | 40.1°F (2020) | 0.90 in (2010) |
| September 4 | 63.1°F (2014) | 39.4°F (2020) | 0.47 in (2012) |
| September 5 | 62.8°F (2018) | 41.2°F (2012) | 0.64 in (2019) |
| September 6 | 62.8°F (2016) | 38.7°F (2012) | 1.31 in (2019) |
| September 7 | 60.1°F (2019) | 41.4°F (2012) | 0.38 in (2022) |
| September 8 | 63.3°F (2018) | 40.1°F (2012) | 0.94 in (2013) |
| September 9 | 60.6°F (2016) | 36.9°F (2012) | 0.90 in (2015) |
| September 10 | 61.0°F (2019) | 39.7°F (2023) | 0.68 in (2024) |
| September 11 | 62.6°F (2018) | 39.9°F (2023) | 0.83 in (2019) |
| September 12 | 63.1°F (2018) | 41.0°F (2025) | 1.55 in (2017) |
| September 13 | 58.8°F (2018) | 36.7°F (2012) | 0.65 in (2014) |
| September 14 | 59.5°F (2017) | 42.3°F (2011) | 0.88 in (2020) |
| September 15 | 61.0°F (2018) | 42.4°F (2025) | 0.68 in (2021) |
| September 16 | 60.1°F (2016) | 40.6°F (2025) | 0.56 in (2014) |
| September 17 | 59.0°F (2018) | 38.5°F (2015) | 0.66 in (2023) |
| September 18 | 58.1°F (2016) | 38.1°F (2015) | 0.54 in (2022) |
| September 19 | 56.3°F (2018) | 40.5°F (2024) | 0.41 in (2009) |
| September 20 | 60.1°F (2018) | 39.9°F (2015) | 0.88 in (2020) |
| September 21 | 56.3°F (2010) | 36.5°F (2022) | 0.58 in (2018) |
| September 22 | 55.8°F (2018) | 38.3°F (2013) | 1.18 in (2019) |
| September 23 | 55.9°F (2016) | 36.7°F (2013) | 0.92 in (2018) |
| September 24 | 56.3°F (2018) | 35.1°F (2021) | 1.00 in (2012) |
| September 25 | 55.9°F (2019) | 36.5°F (2021) | 0.22 in (2014) |
| September 26 | 56.8°F (2015) | 34.3°F (2020) | 1.26 in (2009) |
| September 27 | 58.5°F (2015) | 36.3°F (2012) | 1.02 in (2018) |
| September 28 | 56.8°F (2018) | 33.3°F (2012) | 1.32 in (2019) |
| September 29 | 55.9°F (2018) | 32.9°F (2012) | 0.52 in (2011) |
| September 30 | 55.9°F (2016) | 33.3°F (2012) | 1.04 in (2018) |