Fairbanks climate

Fairbanks Weather in September

NOAA 1991-2020 normals for Aurora, 1.9 km from Fairbanks

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 daily high and low temperature at Fairbanks, in °F, with the record for each date.020406080151015202530
  • 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.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Sep 161°F41°F72°F 202131°F 201445%0%
Sep 261°F40°F72°F 201924°F 200545%0%
Sep 361°F40°F72°F 200928°F 202645%0%
Sep 460°F39°F73°F 200925°F 201445%0%
Sep 560°F39°F73°F 200927°F 200445%1%
Sep 659°F39°F71°F 202423°F 200444%1%
Sep 759°F38°F70°F 200923°F 200444%1%
Sep 859°F38°F70°F 200923°F 200444%1%
Sep 958°F38°F71°F 200925°F 200444%1%
Sep 1058°F37°F69°F 200626°F 200444%1%
Sep 1157°F37°F68°F 200725°F 200444%1%
Sep 1257°F37°F70°F 200723°F 200443%2%
Sep 1356°F36°F73°F 201424°F 201243%2%
Sep 1456°F36°F74°F 201429°F 201243%2%
Sep 1556°F35°F70°F 200626°F 201343%2%
Sep 1655°F35°F67°F 200925°F 201342%3%
Sep 1755°F35°F65°F 201426°F 202142%3%
Sep 1854°F34°F66°F 201425°F 200442%3%
Sep 1954°F34°F66°F 201423°F 200442%4%
Sep 2053°F34°F64°F 201021°F 201341%4%
Sep 2153°F33°F67°F 201121°F 201341%4%
Sep 2252°F33°F67°F 201220°F 200740%5%
Sep 2351°F32°F62°F 201219°F 202140%5%
Sep 2451°F32°F55°F 201718°F 201539%6%
Sep 2550°F32°F61°F 201220°F 201439%6%
Sep 2650°F31°F60°F 201222°F 201438%7%
Sep 2749°F31°F58°F 201313°F 201038%7%
Sep 2848°F30°F55°F 20076°F 201037%8%
Sep 2948°F30°F63°F 201811°F 202137%9%
Sep 3047°F29°F60°F 202018°F 202336%9%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Fairbanks, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • 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

Every day of September: sun and moon

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.