The Weather Network
Weather
Maps
News
Video
|
Welcome
Monthly
⋮
Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Arvada, CO
Content continues below
September
Average Temperature
High
25°
Feels 25
Low
11°
Feels 10
Average Precipitation
7 Days
Rain amount
19.8mm
Snow amount
0.3cm
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
31°
11
33°
12
27°
13
33°
14
28°
15
23°
16
28°
17
24°
18
27°
19
28°
20
29°
21
28°
22
29°
23
28°
24
25°
25
26
27
28
29
30
Forecast
Thursday, September 10, 2026
Day
31°
Feels 31
Wind
17 km/h SE
Gust
25 km/h
Humidity
8%
P.O.P
0%
Night
15°
Feels 15
Wind
17 km/h W
Gust
25 km/h
Humidity
35%
P.O.P
0%
Historical Averages
Sep 10
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.