14.09
mon
mon
Day
68°F
SE 17 mph
Precip.
1%
1%
Night
48°F
SE 5 mph
Precip.
8%
8%
15.09
tue
tue
Day
64°F
W 1 mph
Precip.
2%
2%
Night
50°F
NE 3 mph
Precip.
14%
14%
16.09
wed
wed
Day
64°F
NE 12 mph
Precip.
5%
5%
Night
55°F
E 2 mph
Precip.
20%
20%
17.09
thu
thu
Day
64°F
NW 4 mph
Precip.
15%
15%
Night
55°F
E 3 mph
Precip.
35%
35%
18.09
fri
fri
Day
66°F
S 7 mph
Precip.
2%
2%
Night
50°F
SW 4 mph
Precip.
8%
8%
19.09
sat
sat
Day
61°F
NW 6 mph
Precip.
2%
2%
Night
50°F
N 4 mph
Precip.
30%
30%
20.09
sun
sun
Day
59°F
N 9 mph
Precip.
15%
15%
Night
52°F
NW 3 mph
Precip.
53%
53%
sea water
temperature
temperature
| Mount Desert Island |
monthly
weather
weather
| Mount Desert Island |
current
weather
weather
| Mount Desert Island |
14 days
forecast
forecast
| Mount Desert Island |
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 58.6°F. The highest and lowest sea temperatures during the month were 60.6°F and 56.7°F.
Air temperature in Mount Desert Island, °F
Precipitation total in Mount Desert Island, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Mount Desert Island
Mount Desert Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Mount Desert Island
Local time: 17:08
September 14, monday
1800
61°F
SE
13 mph
13 mph
2100
54°F
SE
9 mph
9 mph
September 15, tuesday
0000
48°F
SE
5 mph
5 mph
0300
46°F
S
5 mph
5 mph
0600
45°F
SE
4 mph
4 mph
0900
55°F
S
4 mph
4 mph
1200
64°F
W
1 mph
1 mph
1500
63°F
N
9 mph
9 mph
