Klawock Weather in September
Average highs run from 63°F on September 1 to 57°F on September 30, and lows from 49°F to 44°F. Normal precipitation for the month is 10.72 in over about 22 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
- 60°F
- Average low
- 47°F
- Precipitation
- 10.72 in
- Record high
- 83°FSep 5, 2017
- Record low
- 27°FSep 20, 1997
- Chance of a freeze
- 6%
- Daylight
- 13 h 47 min to 11 h 36 min
- Cloud cover
- 75%
- Humidity
- 90%
- Dew point
- 49°F
- Wind
- 6.5 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Sep 1 | 63°F | 49°F | 73°F 2019 | 43°F 2012 | 71% |
| Sep 2 | 63°F | 49°F | 72°F 2026 | 38°F 2015 | 71% |
| Sep 3 | 62°F | 49°F | 81°F 2026 | 38°F 2000 | 71% |
| Sep 4 | 62°F | 49°F | 80°F 2026 | 40°F 2015 | 71% |
| Sep 5 | 62°F | 49°F | 83°F 2017 | 40°F 1998 | 71% |
| Sep 6 | 62°F | 49°F | 73°F 2013 | 44°F 2023 | 71% |
| Sep 7 | 62°F | 49°F | 72°F 2019 | 41°F 2012 | 71% |
| Sep 8 | 62°F | 48°F | 71°F 2019 | 44°F 2000 | 71% |
| Sep 9 | 61°F | 48°F | 77°F 2019 | 40°F 2014 | 71% |
| Sep 10 | 61°F | 48°F | 74°F 2023 | 38°F 2000 | 71% |
| Sep 11 | 61°F | 48°F | 78°F 2026 | 39°F 1997 | 71% |
| Sep 12 | 61°F | 48°F | 74°F 2011 | 39°F 2020 | 71% |
| Sep 13 | 60°F | 48°F | 72°F 2010 | 37°F 2002 | 71% |
| Sep 14 | 60°F | 47°F | 73°F 2020 | 39°F 2006 | 71% |
| Sep 15 | 60°F | 47°F | 74°F 2010 | 36°F 1998 | 71% |
| Sep 16 | 60°F | 47°F | 77°F 2025 | 35°F 2018 | 72% |
| Sep 17 | 60°F | 47°F | 72°F 2020 | 33°F 2018 | 72% |
| Sep 18 | 59°F | 47°F | 69°F 2010 | 37°F 1998 | 72% |
| Sep 19 | 59°F | 46°F | 70°F 2010 | 32°F 1997 | 72% |
| Sep 20 | 59°F | 46°F | 73°F 2012 | 27°F 1997 | 72% |
| Sep 21 | 59°F | 46°F | 70°F 2012 | 35°F 1997 | 73% |
| Sep 22 | 58°F | 46°F | 62°F 1998 | 36°F 2003 | 73% |
| Sep 23 | 58°F | 45°F | 62°F 2000 | 34°F 2003 | 73% |
| Sep 24 | 58°F | 45°F | 66°F 2000 | 36°F 1997 | 73% |
| Sep 25 | 58°F | 45°F | 64°F 2023 | 35°F 1997 | 73% |
| Sep 26 | 58°F | 45°F | 70°F 2014 | 33°F 1997 | 74% |
| Sep 27 | 57°F | 44°F | 67°F 2017 | 35°F 1999 | 74% |
| Sep 28 | 57°F | 44°F | 71°F 2003 | 33°F 2004 | 74% |
| Sep 29 | 57°F | 44°F | 78°F 2003 | 31°F 1999 | 74% |
| Sep 30 | 57°F | 44°F | 75°F 2008 | 33°F 2002 | 74% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (AKDT).
- September 1
- sunrise 5:58 AM, sunset 7:45 PM
- September 30
- sunrise 6:54 AM, sunset 6:30 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00025367 (Klawock AP), public domain. Records: NOAA GHCN-Daily, station USW00025367, 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.