September weather in Valdez, AK
The average temperature in Valdez in September is °F (°F–°F). Average precipitation: 9.16 inches.
September is a fall month in Valdez, and is cooler than the annual average of 0°F. Expect about 18 days with precipitation. Daylight averages about 12h 32m.
Avg High
°F
Avg Low
°F
Precipitation
9.16 in
Daylight
12h 32m
September records in Valdez
| Date | Record High | Record Low | Record Precip |
|---|---|---|---|
| September 1 | 68.7°F (2016) | 40.6°F (2011) | 1.30 in (2012) |
| September 2 | 69.8°F (2016) | 41.9°F (2017) | 1.10 in (2019) |
| September 3 | 63.0°F (2010) | 39.9°F (2017) | 1.70 in (2012) |
| September 4 | 62.1°F (2025) | 39.9°F (2020) | 0.60 in (2012) |
| September 5 | 68.7°F (2018) | 39.0°F (2020) | 1.80 in (2012) |
| September 6 | 69.8°F (2010) | 41.0°F (2020) | 1.30 in (2023) |
| September 7 | 64.8°F (2018) | 39.7°F (2012) | 0.60 in (2008) |
| September 8 | 67.3°F (2018) | 37.2°F (2012) | 3.00 in (2022) |
| September 9 | 69.6°F (2018) | 41.4°F (2011) | 1.80 in (2022) |
| September 10 | 72.5°F (2018) | 39.0°F (2012) | 1.20 in (2008) |
| September 11 | 72.7°F (2018) | 34.9°F (2012) | 2.00 in (2015) |
| September 12 | 71.2°F (2010) | 39.0°F (2020) | 2.90 in (2016) |
| September 13 | 70.5°F (2018) | 39.9°F (2012) | 2.30 in (2014) |
| September 14 | 64.6°F (2018) | 38.3°F (2012) | 1.60 in (2014) |
| September 15 | 64.8°F (2010) | 37.4°F (2012) | 2.00 in (2012) |
| September 16 | 68.7°F (2010) | 35.1°F (2012) | 1.70 in (2012) |
| September 17 | 61.7°F (2010) | -1.5°F (2014) | 2.20 in (2020) |
| September 18 | 66.4°F (2010) | 37.4°F (2012) | 1.70 in (2019) |
| September 19 | 62.4°F (2010) | 33.8°F (2015) | 1.30 in (2022) |
| September 20 | 57.4°F (2018) | 35.4°F (2015) | 1.90 in (2011) |
| September 21 | 57.2°F (2014) | 36.7°F (2015) | 2.00 in (2009) |
| September 22 | 55.0°F (2014) | 36.3°F (2008) | 2.50 in (2016) |
| September 23 | 58.6°F (2011) | 36.0°F (2021) | 1.10 in (2016) |
| September 24 | 57.4°F (2014) | 36.9°F (2015) | 1.30 in (2018) |
| September 25 | 57.9°F (2014) | 31.8°F (2015) | 0.80 in (2009) |
| September 26 | 58.5°F (2018) | 32.0°F (2021) | 0.60 in (2009) |
| September 27 | 55.9°F (2020) | -1.5°F (2013) | 0.80 in (2015) |
| September 28 | 59.2°F (2014) | 30.0°F (2021) | 2.70 in (2012) |
| September 29 | 61.2°F (2018) | 32.5°F (2012) | 2.00 in (2015) |
| September 30 | 60.1°F (2018) | 31.3°F (2012) | 1.90 in (2010) |