Prudhoe Bay climate

Prudhoe Bay Weather in September

NOAA 1991-2020 normals for Deadhorse AP, 8.8 km from Prudhoe Bay

Average highs run from 46°F on September 1 to 32°F on September 30, and lows from 35°F to 24°F. Normal precipitation for the month is 0.64 in.

September day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Prudhoe Bay, in °F, with the record for each date.-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

September at a glance

Average high
39°F
Average low
30°F
Precipitation
0.64 in
Record high
70°FSep 3, 2019
Record low
-4°FSep 30, 1999
Chance of a freeze
100%
Daylight
15 h 26 min to 11 h 11 min
Cloud cover
80%
Humidity
91%
Dew point
32°F
Wind
12.3 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
Sep 146°F35°F66°F 200027°F 2005
Sep 245°F35°F59°F 200926°F 2024
Sep 345°F34°F70°F 201930°F 2006
Sep 445°F34°F65°F 200228°F 2005
Sep 544°F34°F67°F 200623°F 2005
Sep 644°F34°F67°F 201927°F 2004
Sep 743°F33°F61°F 202124°F 2014
Sep 843°F33°F66°F 201927°F 2003
Sep 943°F33°F63°F 200724°F 2003
Sep 1042°F32°F61°F 200727°F 2003
Sep 1142°F32°F63°F 201027°F 2010
Sep 1241°F32°F58°F 201022°F 2003
Sep 1341°F31°F65°F 201725°F 2003
Sep 1440°F31°F58°F 200621°F 2003
Sep 1540°F31°F67°F 200626°F 2013
Sep 1639°F30°F54°F 202025°F 2000
Sep 1739°F30°F59°F 202219°F 2000
Sep 1838°F30°F57°F 202212°F 2000
Sep 1938°F29°F54°F 200824°F 2021
Sep 2037°F29°F55°F 201622°F 2000
Sep 2137°F28°F54°F 201625°F 2002
Sep 2236°F28°F43°F 201618°F 2013
Sep 2336°F27°F51°F 201217°F 2015
Sep 2435°F27°F45°F 201213°F 2015
Sep 2535°F26°F40°F 201213°F 1999
Sep 2634°F26°F41°F 202313°F 1999
Sep 2734°F25°F43°F 201915°F 2010
Sep 2833°F25°F47°F 20199°F 2000
Sep 2933°F24°F46°F 2023-1°F 1999
Sep 3032°F24°F46°F 2019-4°F 1999

Chance of rain

Sunrise and sunset

Times for 2026, local time (AKDT).

September 1
sunrise 6:09 AM, sunset 9:35 PM
September 30
sunrise 8:07 AM, sunset 7:18 PM

Every day of September: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00027406 (Deadhorse AP), public domain. Records: NOAA GHCN-Daily, station USW00027406, 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.