Measurements:
°C
°F
CURRENT WEATHER
11:14
Kennebunkport
68°F
W 4 mph
Feels like: 68°F
Precip: 1%
World Resorts USA Kennebunkport Weather

7 Day Weather Forecast

09.15
tue
DAY
68°F
W 4 mph
precip
1%
NIGHT
56°F
NE 6 mph
precip
19%
09.16
wed
DAY
78°F
NE 7 mph
precip
3%
NIGHT
64°F
S 5 mph
precip
15%
09.17
thu
DAY
66°F
W 5 mph
precip
23%
NIGHT
62°F
NE 3 mph
precip
43%
09.18
fri
DAY
78°F
SE 11 mph
precip
7%
NIGHT
50°F
S 6 mph
precip
8%
09.19
sat
DAY
62°F
N 6 mph
precip
10%
NIGHT
46°F
NE 6 mph
precip
12%
09.20
sun
DAY
54°F
NW 6 mph
precip
88%
NIGHT
48°F
NW 6 mph
precip
42%
09.21
mon
DAY
64°F
W 6 mph
precip
4%
NIGHT
48°F
SE 2 mph
precip
16%

Kennebunkport Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Kennebunkport was 17.6°F. The maximum and minimum values were 16.3°F and 18.3°F respectively.

Kennebunkport on the Weather Map

Best Time to Visit Kennebunkport
The most sunny months:
November 15 days
September 14 days
October 14 days
The most warm months:
July 81.0 °F
August 79.4 °F
June 74.2 °F
Warmest sea temperature:
August 67.5 °F
July 64.7 °F
September 63.9 °F
The most cold months:
January 29.4 °F
February 30.3 °F
December 34.9 °F
The most rainy months:
July 3 days
October 3 days
April 3 days
The most windy months:
March 9 mph
November 8 mph
December 8 mph
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