Seward September Weather

Averages and records for weather in Seward, Alaska in the month of September.
Typical Seward September Weather
1991–2020
Average daily high 55.4 °F
Average daily low 43.7 °F
Average monthly precipitation 10.2 inches
Daily chance of precipitation 56.9%
Seward September Weather Records
1908–2024
Highest temperature 84 °F September 9, 1910
Lowest temperature 26 °F September 25, 1946
Highest daily low 58 °F September 11, 1979
Lowest daily high 37 °F September 24, 1983
Hottest average high temperature 60.6 °F 1942
Coldest average high temperature 50.4 °F 1992
Most daily precipitation 9.8 inches September 20, 1995
Most monthly precipitation 29.7 inches 1995
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
September 1 59.8 47.3 73 35
September 2 59.6 47.2 75 29
September 3 59.3 47.0 73 37
September 4 59.1 46.8 69 35
September 5 58.8 46.5 70 36
September 6 58.6 46.3 73 32
September 7 58.3 46.0 72 37
September 8 58.0 45.8 80 35
September 9 57.8 45.5 84 31
September 10 57.5 45.3 78 31
September 11 57.2 45.0 75 33
September 12 56.8 44.7 76 29
September 13 56.5 44.4 76 32
September 14 56.2 44.1 71 34
September 15 55.9 43.9 75 31
September 16 55.6 43.6 72 32
September 17 55.3 43.3 70 32
September 18 55.0 43.1 70 31
September 19 54.7 42.8 68 29
September 20 54.5 42.5 66 32
September 21 54.2 42.2 68 31
September 22 53.8 42.0 65 31
September 23 53.5 41.7 66 30
September 24 53.2 41.4 66 30
September 25 52.8 41.1 68 26
September 26 52.5 40.8 66 27
September 27 52.1 40.4 65 28
September 28 51.7 40.1 65 28
September 29 51.4 39.9 67 31
September 30 51.0 39.5 67 30
Weather Station Details
Years Station Coordinates
1908–2024 Seward Airport location