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7 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Chula Vista, CA
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September
Average Temperature
High
26°
Feels 26
Low
18°
Feels 18
Average Precipitation
1 Days
Rain amount
4.3mm
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
26°
14
27°
15
26°
16
26°
17
26°
18
27°
19
28°
20
28°
21
27°
22
26°
23
28°
24
27°
25
28°
26
29°
27
25°
28
29
30
Forecast
Sunday, September 13, 2026
Day
26°
Feels 26
Wind
15 km/h W
Gust
23 km/h
Humidity
58%
P.O.P
10%
Night
18°
Feels 18
Wind
10 km/h W
Gust
15 km/h
Humidity
98%
P.O.P
0%
Historical Averages
Sep 13
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.