Measurements:
°C
°F
New Haven
44°F
SE 3 mph
Feels like: 44°F
Precip: 0%
World Resorts USA New Haven Weather September Weather in New Haven

New Haven Weather: September

Average Day Temperature: 74.2°F
Average Night Temperature: 63.8°F
Sea Water Temperature: 73.9°F
Number of Sunny Days: 14 days
Sunshine Hours: 11.8 - 13.1 hours
Number of Rainy Days: 2 days
Precipitation Totals: 1.4 in

Air Temperature in September, °F

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
14
28
42
56
70
84
98
112
Day Temperature   
Night Temperature

The highest day temperature in September 2024 was 87°F. The lowest night temperature was 53°F. The average values for day and night temperatures during September were 74.2°F и 60.7°F respectivly.

New Haven Water Sea Temperature in September, °F

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
64
67
70
73
76
79
82
85

The average sea surface temperature in September 2024 for New Haven was 72.9°F. The maximum and minimum values were 70.0°F and 76.4°F respectively.

Sunny, Cloudy and Gloomy days
Sunny days
Cloudy days
Gloomy days
47%
23%
30%

Most of the days in September are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals 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

Precipitation total in September for New Haven is 1.4 in. It makes september one of the most rainy months of the year.

Wind Speed in September, mph
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.8
3.6
5.4
7.1
8.9
10.7
12.5

The average wind speed in September is 8.3 mph. It makes September one of the most windless months of the year for New Haven.

Average Sunny Hours Per Day
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.5
3.0
4.6
6.1
7.6
9.1
10.6
12.1

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for New Haven in September is 7.6 hours.

Best Time to Visit New Haven
The most sunny months:
November 15 days
September 14 days
June 12 days
The most warm months:
July 83.1 °F
August 81.6 °F
June 75.8 °F
Warmest sea temperature:
August 77.2 °F
July 75.8 °F
September 73.9 °F
The most cold months:
January 34.8 °F
February 35.8 °F
December 40.4 °F
The most rainy months:
July 4 days
April 4 days
August 3 days
The most windy months:
January 10 mph
November 10 mph
December 10 mph

New Haven on the Weather Map

USA Resorts:
NAME
Boston +44
Chicago +56
Hawaii +76
Honolulu +76
Houston +74
Las Vegas +60
Los Angeles +56
Miami +76
New York +48
Orlando +70
San Diego +60
San Francisco +50
Sarasota +64
Tampa +68
Washington +52
24 Hours Weather Forecast
New Haven
Local time: 02:46
18 apr, friday
0300 44°F
SE
3 mph
0600 40°F
E
3 mph
0900 50°F
NE
6 mph
1200 62°F
NE
9 mph
1500 62°F
N
14 mph
1800 58°F
NE
17 mph
2100 50°F
NE
14 mph
19 apr, saturday
0000 48°F
NE
11 mph