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