Average data for 10 years
1 September
Sunday
+20°
+16°
2 September
Monday
+20°
+16°
3 September
Tuesday
+20°
+15°
4 September
Wednesday
+20°
+16°
5 September
Thursday
+19°
+15°
6 September
Friday
+18°
+15°
7 September
Saturday
+19°
+15°
8 September
Sunday
+19°
+14°
9 September
Monday
+18°
+15°
10 September
Tuesday
+18°
+13°
11 September
Wednesday
+19°
+14°
12 September
today
+17°
+14°
13 September
tomorrow
+18°
+14°
14 September
Saturday
+17°
+14°
15 September
Sunday
+17°
+14°
16 September
Monday
+16°
+12°
17 September
Tuesday
+17°
+12°
18 September
Wednesday
+16°
+13°
19 September
Thursday
+16°
+13°
20 September
Friday
+17°
+13°
21 September
Saturday
+17°
+13°
22 September
Sunday
+18°
+13°
23 September
Monday
+16°
+13°
24 September
Tuesday
+17°
+12°
25 September
Wednesday
+16°
+11°
26 September
Thursday
+17°
+13°
27 September
Friday
+17°
+14°
28 September
Saturday
+16°
+14°
29 September
Sunday
+15°
+12°
30 September
Monday
+15°
+12°
Cities near you
United States
Boston
Canada
Quebec
United States
Portland
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Manchester
Canada
Saint John
Cities with similar weather in September
Denmark
Copenhagen
Canada
Vancouver
Poland
Gdansk
United Kingdom
Looe
Canada
Montreal
September in Bar Harbor is the sunniest month of the year. In September, the weather in Bar Harbor is typically warm. Average daily high temperature in September is about 18 degrees above zero. On average, Bar Harbor has 15 sunny, 11 partly cloudy, 3 rainy, and 1 cloudy day in September. The rains are usually heavy.