Average data for 10 years
1 September
Monday
+27°
+15°
2 September
Tuesday
+26°
+16°
3 September
Wednesday
+27°
+16°
4 September
Thursday
+26°
+15°
5 September
Friday
+27°
+15°
6 September
Saturday
+27°
+15°
7 September
Sunday
+27°
+15°
8 September
Monday
+26°
+15°
9 September
Tuesday
+25°
+15°
10 September
Wednesday
+25°
+14°
11 September
Thursday
+25°
+14°
12 September
Friday
+25°
+15°
13 September
Saturday
+25°
+15°
14 September
Sunday
+25°
+14°
15 September
Monday
+24°
+14°
16 September
Tuesday
+24°
+13°
17 September
Wednesday
+24°
+14°
18 September
Thursday
+25°
+14°
19 September
Friday
+25°
+14°
20 September
Saturday
+25°
+14°
21 September
Sunday
+24°
+14°
22 September
Monday
+24°
+14°
23 September
Tuesday
+25°
+14°
24 September
Wednesday
+25°
+14°
25 September
Thursday
+25°
+14°
26 September
Friday
+25°
+14°
27 September
Saturday
+25°
+14°
28 September
Sunday
+24°
+14°
29 September
Monday
+25°
+14°
30 September
Tuesday
+25°
+14°
Cities with similar weather in September
Georgia
Batumi
Portugal
Lisbon
Greece
Heraklion
France
Nice
Greece
Hersonisos
In September, the weather in San Luis Obispo is typically warm. Average daily high temperature in September is about 25 degrees above zero. On average, San Luis Obispo has 28 sunny and 2 partly cloudy days in September. September as well as May, June, July, and August is considered the most comfortable time to visit San Luis Obispo.