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