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