Average data for 10 years
1 September
Monday
+28°
+26°
2 September
Tuesday
+28°
+27°
3 September
Wednesday
+28°
+27°
4 September
Thursday
+28°
+26°
5 September
Friday
+28°
+27°
6 September
Saturday
+28°
+26°
7 September
Sunday
+28°
+26°
8 September
Monday
+28°
+26°
9 September
Tuesday
+28°
+26°
10 September
Wednesday
+28°
+26°
11 September
Thursday
+28°
+26°
12 September
Friday
+28°
+26°
13 September
Saturday
+28°
+26°
14 September
Sunday
+28°
+26°
15 September
Monday
+28°
+26°
16 September
Tuesday
+28°
+27°
17 September
Wednesday
+28°
+27°
18 September
Thursday
+28°
+26°
19 September
Friday
+28°
+26°
20 September
Saturday
+28°
+26°
21 September
Sunday
+28°
+26°
22 September
Monday
+28°
+26°
23 September
Tuesday
+28°
+26°
24 September
Wednesday
+28°
+26°
25 September
Thursday
+28°
+26°
26 September
Friday
+28°
+26°
27 September
Saturday
+28°
+26°
28 September
Sunday
+28°
+26°
29 September
Monday
+28°
+26°
30 September
Tuesday
+28°
+26°
Cities with similar weather in September
Thailand
Phuket
Cyprus
Ayia Napa
Dominican Republic
Santo Domingo
Cyprus
Protaras
Cuba
Varadero
In September, the weather in San Jose is typically hot. Average daily high temperature in September is about 28 degrees above zero. On average, San Jose has 22 rainy, 5 cloudy, and 3 partly cloudy days in September. The rains are usually heavy. September as well as January, February, March, and April is considered the most uncomfortable time to visit San Jose.