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
Grasmere, BC
Your official Fall Forecast is here!
Content continues below
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
24°
11
13°
12
15°
13
9°
14
12°
15
15°
16
13°
17
16°
18
18°
19
17°
20
17°
21
17°
22
16°
23
15°
24
16°
25
26
27
28
29
30
Forecast
Thursday, September 10, 2026
Day
24°
Feels 24
Wind
17 km/h SW
Gust
26 km/h
Humidity
31%
P.O.P
40%
Rain
<1 mm
Night
8°
Feels 7
Wind
16 km/h NE
Gust
21 km/h
Humidity
76%
P.O.P
30%
Historical Averages
Sep 10
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
September
Average Temperature
High
21°
Feels 21
Low
7°
Feels 6
Average Precipitation
7 Days
Rain amount
23.9mm
Snow amount
1cm