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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Boothbay Harbor, ME
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September
Average Temperature
High
19°
Feels 19
Low
12°
Feels 11
Average Precipitation
8 Days
Rain amount
50.2mm
Snow amount
0.1cm
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Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
18°
22
16°
23
16°
24
17°
25
16°
26
14°
27
16°
28
16°
29
15°
30
15°
Forecast
Monday, September 21, 2026
Day
18°
Feels 18
Wind
21 km/h N
Gust
32 km/h
Humidity
56%
P.O.P
30%
Night
9°
Feels 6
Wind
21 km/h NE
Gust
32 km/h
Humidity
76%
P.O.P
30%
Historical Averages
Sep 21
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.