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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Niagara Falls, 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
14
15
16
17
18
19
20
19°
21
16°
22
16°
23
17°
24
18°
25
19°
26
19°
27
20°
28
20°
29
20°
30
20°
Forecast
Sunday, September 20, 2026
Day
19°
Feels 21
Wind
19 km/h N
Gust
30 km/h
Humidity
64%
P.O.P
40%
Rain
<1 mm
Night
13°
Feels 11
Wind
27 km/h N
Gust
41 km/h
Humidity
82%
P.O.P
30%
Historical Averages
Sep 20
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
September
Average Temperature
High
23°
Feels 23
Low
13°
Feels 12
Average Precipitation
11 Days
Rain amount
82.8mm
Snow amount
0.1cm