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Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
San Diego, CA
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September
Average Temperature
High
25°
Feels 25
Low
18°
Feels 18
Average Precipitation
1 Days
Rain amount
5.5mm
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
10
11
12
13
14
15
16
17
23°
18
25°
19
25°
20
25°
21
25°
22
25°
23
25°
24
26°
25
27°
26
27°
27
27°
28
27°
29
26°
30
26°
Forecast
Thursday, September 17, 2026
Day
23°
Feels 23
Wind
19 km/h W
Gust
28 km/h
Humidity
61%
P.O.P
20%
Night
20°
Feels 20
Wind
15 km/h W
Gust
22 km/h
Humidity
76%
P.O.P
20%
Historical Averages
Sep 17
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.