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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Brunswick, ME
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September
Average Temperature
High
21°
Feels 22
Low
11°
Feels 10
Average Precipitation
8 Days
Rain amount
64.4mm
Snow amount
0cm
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Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
3
4
5
22°
6
21°
7
26°
8
25°
9
18°
10
25°
11
21°
12
20°
13
20°
14
21°
15
19°
16
18°
17
18°
18
17°
19
18°
20
21
22
23
24
25
26
27
28
29
30
Forecast
Saturday, September 5, 2026
Day
22°
Feels 22
Wind
19 km/h N
Gust
29 km/h
Humidity
56%
P.O.P
30%
Night
14°
Feels 13
Wind
15 km/h N
Gust
23 km/h
Humidity
82%
P.O.P
30%
Historical Averages
Sep 5
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.