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Hourly
7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Sitka, AK
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September
Average Temperature
High
11°
Feels 10
Low
8°
Feels 6
Average Precipitation
19 Days
Rain amount
229.7mm
Snow amount
0cm
Content continues below
Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
3
20°
4
19°
5
17°
6
17°
7
17°
8
15°
9
14°
10
14°
11
15°
12
14°
13
13°
14
13°
15
13°
16
13°
17
13°
18
19
20
21
22
23
24
25
26
27
28
29
30
Forecast
Thursday, September 3, 2026
Day
20°
Feels 20
Wind
19 km/h NW
Gust
29 km/h
Humidity
43%
P.O.P
10%
Night
10°
Feels 9
Wind
17 km/h NE
Gust
26 km/h
Humidity
66%
P.O.P
10%
Historical Averages
Sep 3
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.