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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Stampede Pass, WA
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Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
15°
3
12°
4
14°
5
14°
6
18°
7
15°
8
15°
9
20°
10
20°
11
17°
12
16°
13
14°
14
16°
15
17°
16
17°
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Forecast
Wednesday, September 2, 2026
Day
15°
Feels 15
Wind
13 km/h S
Gust
20 km/h
Humidity
51%
P.O.P
90%
Rain
~5 mm
Night
3°
Feels 3
Wind
8 km/h W
Gust
12 km/h
Humidity
100%
P.O.P
90%
Rain
2-4 mm
Historical Averages
Sep 2
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
September
Average Temperature
High
18°
Feels 18
Low
7°
Feels 6
Average Precipitation
8 Days
Rain amount
37.5mm
Snow amount
0.1cm