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