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