Measurements:
°C
°F
Bar Harbor
56°F
S 6 mph
Feels like: 56°F
Precip: 4%
World Resorts USA Bar Harbor Weather

14 Day Weather Forecast

09.15
tue
DAY
68°F
W 1 mph
precip
1%
NIGHT
50°F
NE 4 mph
precip
11%
09.16
wed
DAY
66°F
NE 11 mph
precip
8%
NIGHT
62°F
E 4 mph
precip
26%
09.17
thu
DAY
66°F
W 5 mph
precip
15%
NIGHT
60°F
NE 2 mph
precip
43%
09.18
fri
DAY
70°F
SE 17 mph
precip
2%
NIGHT
46°F
S 9 mph
precip
4%
09.19
sat
DAY
60°F
SE 6 mph
precip
1%
NIGHT
48°F
NE 5 mph
precip
13%
09.20
sun
DAY
52°F
N 8 mph
precip
80%
NIGHT
48°F
NW 4 mph
precip
42%
09.21
mon
DAY
58°F
NW 9 mph
precip
12%
NIGHT
46°F
S 6 mph
precip
14%
09.22
tue
DAY
58°F
W 4 mph
precip
11%
NIGHT
48°F
E 3 mph
precip
20%
09.23
wed
DAY
58°F
N 9 mph
precip
50%
NIGHT
56°F
NW 7 mph
precip
86%
09.24
thu
DAY
60°F
NW 2 mph
precip
47%
NIGHT
60°F
N 7 mph
precip
88%
09.25
fri
DAY
64°F
E 11 mph
precip
23%
NIGHT
54°F
E 16 mph
precip
25%
09.26
sat
DAY
58°F
SE 15 mph
precip
1%
NIGHT
48°F
E 7 mph
precip
5%
09.27
sun
DAY
64°F
NE 9 mph
precip
2%
NIGHT
54°F
E 5 mph
precip
20%
09.28
mon
DAY
68°F
NE 6 mph
precip
15%
NIGHT
62°F
NE 5 mph
precip
24%

Bar Harbor Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Bar Harbor was 59.0°F. The maximum and minimum values were 57.2°F and 61.6°F respectively.

Bar Harbor on the Weather Map

Best Time to Visit Bar Harbor
The most sunny months:
October 13 days
September 13 days
November 13 days
The most warm months:
July 75.0 °F
August 74.5 °F
June 68.6 °F
Warmest sea temperature:
August 62.3 °F
July 60.0 °F
September 59.4 °F
The most cold months:
January 26.6 °F
February 27.7 °F
December 33.1 °F
The most rainy months:
October 3 days
March 2 days
December 2 days
The most windy months:
December 11 mph
March 11 mph
February 11 mph
USA Resorts:
NAME
Boston +62
Chicago +66
Hawaii +80
Las Vegas +80
Los Angeles +72
Maui +66
Miami +88
Myrtle Beach +78
New York +66
Panama City Beach +90
San Diego +70
San Francisco +60
Santa Monica +70
Sarasota +86
Washington +66
24 Hours Weather Forecast
Bar Harbor
Local time: 10:30
15 sep, tuesday
1200 68°F
W
1 mph
1500 66°F
N
8 mph
1800 58°F
N
6 mph
2100 52°F
NE
5 mph
16 sep, wednesday
0000 50°F
NE
4 mph
0300 54°F
NE
5 mph
0600 54°F
NE
5 mph
0900 58°F
N
7 mph