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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Santa Ana, CA
Content continues below
September
Average Temperature
High
28°
Feels 29
Low
17°
Feels 17
Average Precipitation
1 Days
Rain amount
4.5mm
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
18
19
20
21
22
23
28°
24
30°
25
31°
26
32°
27
29°
28
27°
29
31°
30
33°
Forecast
Wednesday, September 23, 2026
Day
28°
Feels 29
Wind
18 km/h SW
Gust
27 km/h
Humidity
52%
P.O.P
20%
Night
20°
Feels 20
Wind
15 km/h SE
Gust
23 km/h
Humidity
91%
P.O.P
10%
Historical Averages
Sep 23
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.