Weather in September
Temperature
With the onset of September, Halton Hills experiences a modest temperature adjustment, with the average high-temperature gently receding from a moderately hot 25.8°C (78.4°F) in August to a pleasant 21.4°C (70.5°F). Halton Hills, after an intense day, registers a significant cooling to an average low-temperature of 8.1°C (46.6°F) throughout September.Rainfall
September is the month with the most rainfall in Halton Hills. Rain falls for 11.7 days and accumulates 86mm (3.39") of precipitation.Snowfall
In Halton Hills, Canada, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 29min.On the first day of the month, sunrise is at 6:44 am and sunset at 7:55 pm. On the last day of September, sunrise is at 7:17 am and sunset at 7:02 pm EDT.
Frequently asked questions
What are September temperatures in Halton Hills?
What is the wettest month in Halton Hills?
How much does it rain in Halton Hills in September?
When it does not snow in Halton Hills?
Does it snow in Halton Hills in September?
How many hours of daylight does Halton Hills have in September?
When is the sunrise / sunset in September in Halton Hills?
Average temperature in September
Halton Hills, Canada
- Average high temperature in September: 21.4°C
The warmest month (with the highest average high temperature) is July (26.9°C).
The month with the lowest average high temperature is January (-1.7°C).
- Average low temperature in September: 8.1°C
The month with the highest average low temperature is July (13°C).
The coldest month (with the lowest average low temperature) is January (-10.9°C).
Average rainfall in September
Halton Hills, Canada
- Average rainfall in September: 86.2mm
The wettest month (with the highest rainfall) is September (86.2mm).
The driest month (with the least rainfall) is February (28.4mm).
Average rainfall days in September
Halton Hills, Canada
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is October (12.2 days).
The months with the least rainy days are January and February (4.1 days).
Average snowfall in September
Halton Hills, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is January (381mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Halton Hills, Canada
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September
Halton Hills, Canada
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
Halton Hills, Canada
Weather forecast for your location
2. Allow the app to use your location
