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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Guelph, ON
Exceptional El Niño dominates this fall
Content continues below
September
Average Temperature
High
22°
Feels 22
Low
11°
Feels 10
Average Precipitation
10 Days
Rain amount
67.5mm
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
24°
18
21°
19
17°
20
19°
21
16°
22
16°
23
15°
24
17°
25
19°
26
19°
27
18°
28
18°
29
19°
30
19°
Forecast
Thursday, September 17, 2026
Day
24°
Feels 27
Wind
10 km/h N
Gust
15 km/h
Humidity
53%
P.O.P
30%
Night
12°
Feels 11
Wind
12 km/h N
Gust
18 km/h
Humidity
88%
P.O.P
20%
Historical Averages
Sep 17
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.