Klawock climate

Klawock Weather in September

NOAA 1991-2020 normals for Klawock AP, 3.4 km from Klawock

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 daily high and low temperature at Klawock, in °F, with the record for each date.20406080100151015202530
  • 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.

DateNormal highNormal lowRecord highRecord lowChance wet
Sep 163°F49°F73°F 201943°F 201271%
Sep 263°F49°F72°F 202638°F 201571%
Sep 362°F49°F81°F 202638°F 200071%
Sep 462°F49°F80°F 202640°F 201571%
Sep 562°F49°F83°F 201740°F 199871%
Sep 662°F49°F73°F 201344°F 202371%
Sep 762°F49°F72°F 201941°F 201271%
Sep 862°F48°F71°F 201944°F 200071%
Sep 961°F48°F77°F 201940°F 201471%
Sep 1061°F48°F74°F 202338°F 200071%
Sep 1161°F48°F78°F 202639°F 199771%
Sep 1261°F48°F74°F 201139°F 202071%
Sep 1360°F48°F72°F 201037°F 200271%
Sep 1460°F47°F73°F 202039°F 200671%
Sep 1560°F47°F74°F 201036°F 199871%
Sep 1660°F47°F77°F 202535°F 201872%
Sep 1760°F47°F72°F 202033°F 201872%
Sep 1859°F47°F69°F 201037°F 199872%
Sep 1959°F46°F70°F 201032°F 199772%
Sep 2059°F46°F73°F 201227°F 199772%
Sep 2159°F46°F70°F 201235°F 199773%
Sep 2258°F46°F62°F 199836°F 200373%
Sep 2358°F45°F62°F 200034°F 200373%
Sep 2458°F45°F66°F 200036°F 199773%
Sep 2558°F45°F64°F 202335°F 199773%
Sep 2658°F45°F70°F 201433°F 199774%
Sep 2757°F44°F67°F 201735°F 199974%
Sep 2857°F44°F71°F 200333°F 200474%
Sep 2957°F44°F78°F 200331°F 199974%
Sep 3057°F44°F75°F 200833°F 200274%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Klawock, in percent.0204060801102030
  • 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

Every day of September: sun and moon

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.