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
Brights Grove, ON
Ontario's 2026 Fall Forecast is here!
Content continues below
September
Average Temperature
High
21°
Feels 22
Low
14°
Feels 13
Average Precipitation
9 Days
Rain amount
33.1mm
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
14
15
16
17
18
19
20
21
22
23
19°
24
19°
25
17°
26
19°
27
19°
28
20°
29
21°
30
21°
Forecast
Wednesday, September 23, 2026
Day
19°
Feels 19
Wind
30 km/h E
Gust
48 km/h
Humidity
52%
P.O.P
30%
Night
11°
Feels 9
Wind
28 km/h E
Gust
42 km/h
Humidity
82%
P.O.P
20%
Historical Averages
Sep 23
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.