Average data for 10 years
1 September
Monday
+25°
+15°
2 September
Tuesday
+25°
+16°
3 September
Wednesday
+26°
+16°
4 September
Thursday
+25°
+16°
5 September
Friday
+25°
+15°
6 September
Saturday
+25°
+15°
7 September
Sunday
+25°
+16°
8 September
Monday
+23°
+15°
9 September
Tuesday
+22°
+14°
10 September
Wednesday
+23°
+14°
11 September
Thursday
+23°
+14°
12 September
Friday
+23°
+14°
13 September
Saturday
+23°
+14°
14 September
Sunday
+23°
+14°
15 September
Monday
+21°
+12°
16 September
Tuesday
+22°
+12°
17 September
Wednesday
+23°
+13°
18 September
Thursday
+22°
+13°
19 September
Friday
+22°
+13°
20 September
Saturday
+23°
+14°
21 September
Sunday
+23°
+14°
22 September
Monday
+21°
+12°
23 September
Tuesday
+21°
+12°
24 September
Wednesday
+21°
+11°
25 September
Thursday
+21°
+12°
26 September
Friday
+21°
+12°
27 September
Saturday
+21°
+12°
28 September
Sunday
+19°
+12°
29 September
Monday
+19°
+10°
30 September
Tuesday
+18°
+10°
Cities near you
Canada
Toronto
United States
Detroit
United States
Pittsburgh
United States
Milan
United States
Cleveland
Cities with similar weather in September
Bulgaria
Varna
Montenegro
Podgorica
Bulgaria
The Golden Sands
United States
Chicago
Italy
Genoa
September in New Haven is the sunniest month of the year. In September, the weather in New Haven is typically warm. Average daily high temperature in September is about 22 degrees above zero. On average, New Haven has 13 sunny, 9 rainy, 6 partly cloudy, and 2 cloudy days in September. The rains are usually heavy.