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Monthly
Precipitation
Temperature
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°Celsius
°Fahrenheit
Monthly Historical Averages
Petersburg, AK
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September
Average Temperature
High
11°
Feels 11
Low
6°
Feels 4
Average Precipitation
17 Days
Rain amount
201.3mm
Snow amount
0.1cm
Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
17°
3
18°
4
21°
5
19°
6
18°
7
17°
8
17°
9
15°
10
16°
11
16°
12
15°
13
14°
14
13°
15
14°
16
14°
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Forecast
Wednesday, September 2, 2026
Day
17°
Feels 17
Wind
10 km/h N
Gust
15 km/h
Humidity
59%
P.O.P
30%
Night
8°
Feels 6
Wind
9 km/h NW
Gust
14 km/h
Humidity
93%
P.O.P
20%
Historical Averages
Sep 2
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.