Average data for 10 years
1 September
Monday
+24°
+19°
2 September
Tuesday
+24°
+19°
3 September
Wednesday
+24°
+19°
4 September
Thursday
+24°
+19°
5 September
Friday
+24°
+19°
6 September
Saturday
+24°
+19°
7 September
Sunday
+24°
+19°
8 September
Monday
+24°
+19°
9 September
Tuesday
+23°
+19°
10 September
Wednesday
+23°
+19°
11 September
Thursday
+23°
+19°
12 September
Friday
+23°
+18°
13 September
Saturday
+23°
+18°
14 September
Sunday
+23°
+18°
15 September
Monday
+23°
+18°
16 September
Tuesday
+22°
+18°
17 September
Wednesday
+22°
+18°
18 September
Thursday
+22°
+18°
19 September
Friday
+22°
+18°
20 September
Saturday
+22°
+18°
21 September
Sunday
+22°
+18°
22 September
Monday
+23°
+18°
23 September
Tuesday
+23°
+18°
24 September
Wednesday
+23°
+18°
25 September
Thursday
+23°
+18°
26 September
Friday
+22°
+18°
27 September
Saturday
+22°
+18°
28 September
Sunday
+22°
+18°
29 September
Monday
+23°
+18°
30 September
Tuesday
+23°
+18°
Cities with similar weather in September
Spain
Barcelona
Italy
Rome
Georgia
Batumi
Greece
Heraklion
France
Nice
In September, the weather in San Diego is typically warm. Average daily high temperature in September is about 23 degrees above zero. On average, San Diego has 20 sunny, 9 partly cloudy, and 1 rainy day in September. The rains are usually light. September as well as July and August is considered the most comfortable time to visit San Diego.