World Resorts USA Kennebunkport Weather

Kennebunkport weather in September

Weather in Kennebunkport: September

Average day temperature: 69.0°F
Average night temperature: 58.2°F
Sea water temperature: 62.5°F
Number of sunny days: 14 days
Day length: 11.8 - 13.2 hours
Number of rainy days: 2 days
Precipitation totals: 0.9 in.

Air temperature in September, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
13
26
39
52
65
78
91
104
Day temperature   
Night temperature

The highest day temperature during September of 2024 was 80°F. At the same time the lowest night temperature was 49°F. Daily and nightly averages during September were 69.3°F and 56.4°F.

Sea water temperature in Kennebunkport in September, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
54
57
60
63
66
69
72
75

The average sea water temperature in September of 2024 was 61.2°F. The highest and lowest sea temperatures during the month were 64.2°F and 58.1°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
47%
30%
23%

Mostly all days in September are sunny but cloudy days are also possible.

Precipitation total in September, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.3
0.6
0.9
1.3
1.6
1.9
2.2
1.3
1.1
1.1
1.8
1.1
1.6
1.1
1.2
1.3
1.1
1.1
1.8
1.1
1.6
1.1
1.2

Precipitation total value in Kennebunkport in September is 0.9 in. Other months of the year show relatively similar values.

Wind speed in September, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.5
3.0
4.5
6.0
7.5
9.0
10.5
8.3
8.3
6.7
5.9
6.3
6.7
7.4
8.2
8.8
8.3
8.1
8.3
8.3
6.7
6.5
5.9
6.3
6.7
7.4
8.2
8.8
8.3
8.1

The average wind speed value in September is 6.5 mph It makes September one of the least windy months of the year.

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.3
2.7
4.0
5.4
6.7
8.1
9.4
4.5
6.1
6.1
7.3
7.9
7.4
7.8
5.9
5.5
5.1
4.6
4.5
6.1
6.1
7.2
7.3
7.9
7.4
7.8
5.9
5.5
5.1
4.6

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 7.2.

Best time for vacation in Kennebunkport

Sunniest months:
September 14 days
October 13 days
November 13 days
Warmest months:
July 76.6 °F
August 75.3 °F
June 71.0 °F
Warmest sea temp:
August 66.1 °F
July 63.3 °F
September 62.5 °F
Coldest months:
January 31.9 °F
February 32.5 °F
December 37.3 °F
Rainiest months:
July 4 days
June 3 days
April 3 days
Windiest months:
March 8.8 mph
February 8.3 mph
November 8.3 mph

Kennebunkport on a weather map

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24 Hours Forecast
Kennebunkport
Local time: 09:16
April 17, thursday
1200
52°F
SE
9 mph
1500
54°F
SE
15 mph
1800
52°F
SE
11 mph
2100
45°F
E
4 mph
April 18, friday
0000
41°F
E
4 mph
0300
39°F
E
6 mph
0600
39°F
E
6 mph
0900
46°F
NE
4 mph
Units of measurement: °C / °F