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7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Livermore, CA
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September
Average Temperature
High
29°
Feels 29
Low
13°
Feels 13
Average Precipitation
1 Days
Rain amount
8.4mm
Snow amount
0cm
Content continues below
Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
3
25°
4
24°
5
26°
6
22°
7
28°
8
30°
9
24°
10
29°
11
27°
12
28°
13
28°
14
28°
15
30°
16
30°
17
32°
18
19
20
21
22
23
24
25
26
27
28
29
30
Forecast
Thursday, September 3, 2026
Day
25°
Feels 25
Wind
25 km/h SW
Gust
37 km/h
Humidity
45%
P.O.P
0%
Night
14°
Feels 14
Wind
24 km/h W
Gust
36 km/h
Humidity
84%
P.O.P
10%
Historical Averages
Sep 3
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.