Kotlik Weather in September
Average highs run from 53°F on September 1 to 43°F on September 30, and lows from 42°F to 31°F. Normal precipitation for the month is 2.20 in over about 15 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
- 49°F
- Average low
- 37°F
- Precipitation
- 2.20 in
- Record high
- 71°FSep 11, 1979
- Record low
- 9°FSep 28, 1992
- Daylight
- 14 h 24 min to 11 h 26 min
- Cloud cover
- 80%
- Humidity
- 86%
- Dew point
- 41°F
- Wind
- 11.4 mph
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| Sep 1 | 53°F | 42°F | 66°F 2008 | 26°F 1983 | 55% |
| Sep 2 | 53°F | 42°F | 67°F 1991 | 25°F 1930 | 53% |
| Sep 3 | 53°F | 42°F | 69°F 1991 | 25°F 1930 | 54% |
| Sep 4 | 54°F | 41°F | 70°F 1996 | 25°F 1927 | 54% |
| Sep 5 | 54°F | 41°F | 65°F 1968 | 22°F 1927 | 54% |
| Sep 6 | 54°F | 41°F | 67°F 1982 | 25°F 1960 | 53% |
| Sep 7 | 53°F | 42°F | 66°F 1911 | 25°F 1987 | 53% |
| Sep 8 | 53°F | 40°F | 61°F 2008 | 22°F 1970 | 53% |
| Sep 9 | 51°F | 39°F | 62°F 1969 | 24°F 1975 | 53% |
| Sep 10 | 52°F | 41°F | 65°F 1929 | 24°F 1914 | 52% |
| Sep 11 | 51°F | 39°F | 71°F 1979 | 24°F 1900 | 51% |
| Sep 12 | 50°F | 39°F | 65°F 1979 | 24°F 1987 | 51% |
| Sep 13 | 51°F | 40°F | 62°F 1963 | 20°F 1987 | 52% |
| Sep 14 | 50°F | 38°F | 63°F 1965 | 24°F 1992 | 50% |
| Sep 15 | 50°F | 40°F | 62°F 1949 | 24°F 1927 | 51% |
| Sep 16 | 50°F | 39°F | 63°F 1967 | 22°F 1996 | 50% |
| Sep 17 | 49°F | 37°F | 59°F 1967 | 20°F 1930 | 52% |
| Sep 18 | 48°F | 37°F | 62°F 1969 | 18°F 1930 | 51% |
| Sep 19 | 48°F | 37°F | 60°F 2010 | 20°F 1930 | 50% |
| Sep 20 | 48°F | 35°F | 64°F 1995 | 17°F 1975 | 49% |
| Sep 21 | 48°F | 36°F | 61°F 2001 | 18°F 1927 | 49% |
| Sep 22 | 47°F | 35°F | 59°F 1929 | 18°F 2015 | 48% |
| Sep 23 | 46°F | 33°F | 58°F 1926 | 15°F 1992 | 47% |
| Sep 24 | 45°F | 33°F | 61°F 1976 | 16°F 1992 | 46% |
| Sep 25 | 44°F | 33°F | 57°F 1976 | 16°F 1968 | 46% |
| Sep 26 | 44°F | 31°F | 58°F 1966 | 19°F 1970 | 45% |
| Sep 27 | 44°F | 30°F | 55°F 1934 | 18°F 1992 | 44% |
| Sep 28 | 43°F | 31°F | 57°F 1984 | 9°F 1992 | 44% |
| Sep 29 | 42°F | 31°F | 57°F 1969 | 14°F 1992 | 44% |
| Sep 30 | 43°F | 31°F | 61°F 2018 | 16°F 1923 | 43% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (AKDT).
- September 1
- sunrise 7:41 AM, sunset 10:05 PM
- September 30
- sunrise 9:00 AM, sunset 8:26 PM
Other months
Sources
Records: NOAA GHCN-Daily, station USW00026617, 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.