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