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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Claremont, CA
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September
Average Temperature
High
31°
Feels 31
Low
17°
Feels 17
Average Precipitation
1 Days
Rain amount
4.8mm
Snow amount
0cm
Content continues below
Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
36°
10
36°
11
33°
12
31°
13
30°
14
29°
15
28°
16
28°
17
28°
18
29°
19
30°
20
28°
21
29°
22
30°
23
30°
24
25
26
27
28
29
30
Forecast
Wednesday, September 9, 2026
Day
36°
Feels 36
Wind
16 km/h W
Gust
25 km/h
Humidity
29%
P.O.P
40%
Rain
<1 mm
Night
23°
Feels 23
Wind
16 km/h SW
Gust
24 km/h
Humidity
65%
P.O.P
0%
Historical Averages
Sep 9
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.