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Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Hamilton, ON
Exceptional El Niño dominates this fall
Content continues below
September
Average Temperature
High
23°
Feels 23
Low
13°
Feels 13
Average Precipitation
11 Days
Rain amount
67.8mm
Snow amount
0.1cm
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
25°
17
23°
18
21°
19
17°
20
18°
21
17°
22
19°
23
21°
24
21°
25
21°
26
21°
27
21°
28
21°
29
20°
30
20°
Forecast
Wednesday, September 16, 2026
Day
25°
Feels 31
Wind
10 km/h E
Gust
22 km/h
Humidity
63%
P.O.P
40%
Rain
<1 mm
Night
16°
Feels 16
Wind
13 km/h NE
Gust
21 km/h
Humidity
88%
P.O.P
60%
Rain
<1 mm
Historical Averages
Sep 16
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.