Fairbanks Weather in September
Average highs run from 61°F on September 1 to 47°F on September 30, and lows from 41°F to 29°F. Normal precipitation for the month is 1.59 in over about 13 wet days.
September day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
September at a glance
- Average high
- 55°F
- Average low
- 35°F
- Precipitation
- 1.59 in
- Snowfall
- 1.3 in
- Record high
- 74°FSep 14, 2014
- Record low
- 6°FSep 28, 2010
- Chance of a freeze
- 99%
- Daylight
- 14 h 36 min to 11 h 24 min
- Cloud cover
- 71%
- Humidity
- 85%
- Dew point
- 37°F
- Wind
- 5.8 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.
| Date | Normal high | Normal low | Record high | Record low | Chance wet | Chance of snow |
|---|---|---|---|---|---|---|
| Sep 1 | 61°F | 41°F | 72°F 2021 | 31°F 2014 | 45% | 0% |
| Sep 2 | 61°F | 40°F | 72°F 2019 | 24°F 2005 | 45% | 0% |
| Sep 3 | 61°F | 40°F | 72°F 2009 | 28°F 2026 | 45% | 0% |
| Sep 4 | 60°F | 39°F | 73°F 2009 | 25°F 2014 | 45% | 0% |
| Sep 5 | 60°F | 39°F | 73°F 2009 | 27°F 2004 | 45% | 1% |
| Sep 6 | 59°F | 39°F | 71°F 2024 | 23°F 2004 | 44% | 1% |
| Sep 7 | 59°F | 38°F | 70°F 2009 | 23°F 2004 | 44% | 1% |
| Sep 8 | 59°F | 38°F | 70°F 2009 | 23°F 2004 | 44% | 1% |
| Sep 9 | 58°F | 38°F | 71°F 2009 | 25°F 2004 | 44% | 1% |
| Sep 10 | 58°F | 37°F | 69°F 2006 | 26°F 2004 | 44% | 1% |
| Sep 11 | 57°F | 37°F | 68°F 2007 | 25°F 2004 | 44% | 1% |
| Sep 12 | 57°F | 37°F | 70°F 2007 | 23°F 2004 | 43% | 2% |
| Sep 13 | 56°F | 36°F | 73°F 2014 | 24°F 2012 | 43% | 2% |
| Sep 14 | 56°F | 36°F | 74°F 2014 | 29°F 2012 | 43% | 2% |
| Sep 15 | 56°F | 35°F | 70°F 2006 | 26°F 2013 | 43% | 2% |
| Sep 16 | 55°F | 35°F | 67°F 2009 | 25°F 2013 | 42% | 3% |
| Sep 17 | 55°F | 35°F | 65°F 2014 | 26°F 2021 | 42% | 3% |
| Sep 18 | 54°F | 34°F | 66°F 2014 | 25°F 2004 | 42% | 3% |
| Sep 19 | 54°F | 34°F | 66°F 2014 | 23°F 2004 | 42% | 4% |
| Sep 20 | 53°F | 34°F | 64°F 2010 | 21°F 2013 | 41% | 4% |
| Sep 21 | 53°F | 33°F | 67°F 2011 | 21°F 2013 | 41% | 4% |
| Sep 22 | 52°F | 33°F | 67°F 2012 | 20°F 2007 | 40% | 5% |
| Sep 23 | 51°F | 32°F | 62°F 2012 | 19°F 2021 | 40% | 5% |
| Sep 24 | 51°F | 32°F | 55°F 2017 | 18°F 2015 | 39% | 6% |
| Sep 25 | 50°F | 32°F | 61°F 2012 | 20°F 2014 | 39% | 6% |
| Sep 26 | 50°F | 31°F | 60°F 2012 | 22°F 2014 | 38% | 7% |
| Sep 27 | 49°F | 31°F | 58°F 2013 | 13°F 2010 | 38% | 7% |
| Sep 28 | 48°F | 30°F | 55°F 2007 | 6°F 2010 | 37% | 8% |
| Sep 29 | 48°F | 30°F | 63°F 2018 | 11°F 2021 | 37% | 9% |
| Sep 30 | 47°F | 29°F | 60°F 2020 | 18°F 2023 | 36% | 9% |
Chance of rain
- Chance of a wet day
- Chance of snowfall
Sunrise and sunset
Times for 2026, local time (AKDT).
- September 1
- sunrise 6:32 AM, sunset 9:08 PM
- September 30
- sunrise 7:58 AM, sunset 7:22 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00500490 (Aurora), public domain. Records: NOAA GHCN-Daily, station USC00500490, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.