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