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Hourly
7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Waterloo, ON
Exceptional El Niño dominates this fall
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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
24°
14
18°
15
22°
16
23°
17
21°
18
21°
19
21°
20
19°
21
18°
22
18°
23
18°
24
19°
25
19°
26
20°
27
19°
28
29
30
Forecast
Sunday, September 13, 2026
Day
24°
Feels 28
Wind
27 km/h W
Gust
41 km/h
Humidity
57%
P.O.P
40%
Rain
<1 mm
Night
10°
Feels 7
Wind
26 km/h NW
Gust
39 km/h
Humidity
93%
P.O.P
40%
Rain
<1 mm
Historical Averages
Sep 13
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
10°
Feels 10
Average Precipitation
10 Days
Rain amount
72.1mm
Snow amount
0cm