World Resorts USA Brunswick Weather

Brunswick weather in September

Weather in Brunswick: September

Average day temperature: 69.7°F
Average night temperature: 56.8°F
Sea water temperature: 61.6°F
Number of sunny days: 12 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 79°F. At the same time the lowest night temperature was 48°F. Daily and nightly averages during September were 68.4°F and 56.3°F.

Sea water temperature in Brunswick in September, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
52
55
58
61
64
67
70
73

The average sea water temperature in September of 2024 was 61.4°F. The highest and lowest sea temperatures during the month were 64.9°F and 59.4°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
40%
30%
30%

Number of sunny, partly cloudy and cloudy days in September is almost equal.

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
1.2
1.5
1.8
2.1
2.4
1.3
1.3
1.3
1.8
1.1
1.6
1.1
1.1
1.3
1.3
1.3
1.8
1.1
1.6
1.1
1.1

Precipitation total value in Brunswick 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
1.4
2.9
4.3
5.7
7.1
8.6
10.0
8.3
7.7
6.3
5.5
5.8
6.2
7.1
7.9
8.3
8.3
8.2
8.3
7.7
6.3
6.2
5.5
5.8
6.2
7.1
7.9
8.3
8.3
8.2

The average wind speed value in September is 6.2 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
8.0
9.4
4.5
5.7
5.6
7.1
7.4
6.8
7.8
5.7
5.5
5.0
4.6
4.5
5.7
5.6
6.9
7.1
7.4
6.8
7.8
5.7
5.5
5.0
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: 6.9.

Best time for vacation in Brunswick

Sunniest months:
November 12 days
September 12 days
October 11 days
Warmest months:
July 76.9 °F
August 75.6 °F
June 71.1 °F
Warmest sea temp:
August 66.3 °F
July 64.9 °F
September 61.6 °F
Coldest months:
January 30.0 °F
February 30.9 °F
December 36.2 °F
Rainiest months:
July 3 days
August 3 days
April 3 days
Windiest months:
February 8.3 mph
March 8.3 mph
December 8.3 mph

Brunswick on a weather map

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24 Hours Forecast
Brunswick
Local time: 23:01
April 15, tuesday
0000
46°F
NW
4 mph
0300
43°F
W
3 mph
0600
41°F
NW
2 mph
0900
43°F
N
4 mph
1200
46°F
N
6 mph
1500
45°F
N
6 mph
1800
46°F
E
9 mph
2100
46°F
E
6 mph
Units of measurement: °C / °F