Average data for 10 years
1 September
Sunday
+29°
+22°
2 September
Monday
+29°
+22°
3 September
Tuesday
+27°
+21°
4 September
Wednesday
+27°
+21°
5 September
Thursday
+27°
+22°
6 September
Friday
+28°
+22°
7 September
Saturday
+26°
+21°
8 September
Sunday
+26°
+21°
9 September
Monday
+27°
+22°
10 September
today
+27°
+21°
11 September
tomorrow
+26°
+21°
12 September
Thursday
+25°
+19°
13 September
Friday
+24°
+19°
14 September
Saturday
+26°
+21°
15 September
Sunday
+26°
+21°
16 September
Monday
+26°
+20°
17 September
Tuesday
+26°
+21°
18 September
Wednesday
+27°
+21°
19 September
Thursday
+26°
+20°
20 September
Friday
+24°
+18°
21 September
Saturday
+24°
+19°
22 September
Sunday
+26°
+21°
23 September
Monday
+27°
+22°
24 September
Tuesday
+26°
+21°
25 September
Wednesday
+26°
+21°
26 September
Thursday
+26°
+22°
27 September
Friday
+26°
+21°
28 September
Saturday
+26°
+21°
29 September
Sunday
+26°
+21°
30 September
Monday
+25°
+20°
Cities with similar weather in September
Tunisia
Tunis
Turkey
Marmaris
Cyprus
Paphos
Tunisia
Jerba
Cyprus
Limassol
In September, the weather in San Bernardino is typically warm. Average daily high temperature in September is about 26 degrees above zero. On average, San Bernardino has 30 sunny days in September. September as well as May, June, and October is considered the most comfortable time to visit San Bernardino.