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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Imperial Beach, CA
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September
Average Temperature
High
23°
Feels 23
Low
18°
Feels 18
Average Precipitation
1 Days
Rain amount
6mm
Snow amount
0cm
Content continues below
Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
23°
3
24°
4
24°
5
24°
6
25°
7
25°
8
25°
9
25°
10
25°
11
24°
12
24°
13
24°
14
24°
15
24°
16
25°
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Forecast
Wednesday, September 2, 2026
Day
23°
Feels 23
Wind
23 km/h W
Gust
34 km/h
Humidity
62%
P.O.P
0%
Night
16°
Feels 16
Wind
16 km/h NE
Gust
23 km/h
Humidity
98%
P.O.P
0%
Historical Averages
Sep 2
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.