Average data for 10 years
1 September
Sunday
+21°
+21°
2 September
Monday
+21°
+20°
3 September
Tuesday
+21°
+20°
4 September
Wednesday
+21°
+20°
5 September
Thursday
+21°
+21°
6 September
Friday
+21°
+20°
7 September
Saturday
+21°
+21°
8 September
Sunday
+20°
+20°
9 September
Monday
+20°
+20°
10 September
Tuesday
+20°
+19°
11 September
Wednesday
+19°
+19°
12 September
today
+19°
+19°
13 September
tomorrow
+20°
+19°
14 September
Saturday
+20°
+19°
15 September
Sunday
+19°
+19°
16 September
Monday
+18°
+18°
17 September
Tuesday
+19°
+17°
18 September
Wednesday
+19°
+18°
19 September
Thursday
+19°
+18°
20 September
Friday
+19°
+18°
21 September
Saturday
+19°
+19°
22 September
Sunday
+18°
+18°
23 September
Monday
+19°
+18°
24 September
Tuesday
+17°
+17°
25 September
Wednesday
+17°
+17°
26 September
Thursday
+19°
+17°
27 September
Friday
+20°
+19°
28 September
Saturday
+19°
+18°
29 September
Sunday
+18°
+19°
30 September
Monday
+17°
+17°
Cities with similar weather in September
United States
San Francisco
Montenegro
Podgorica
Canada
Toronto
Canada
Vancouver
Italy
Genoa
In September, the weather in Nantucket is typically warm. Average daily high temperature in September is about 19 degrees above zero. On average, Nantucket has 18 sunny, 6 partly cloudy, 5 rainy, and 1 cloudy day in September. The rains are usually heavy. September as well as July and August is considered the most comfortable time to visit Nantucket.