September
Weather in September
Temperature
A mild shift in the average high-temperature occurs in September, reducing from a warm 24.8°C (76.6°F) in August to an agreeable 20.4°C (68.7°F). In the month of September, the average low-temperature usually rests at a chilly 9.5°C (49.1°F).Rainfall
The month with the most rainfall is September, when the rain falls for 13 days and typically aggregates up to 99mm (3.9") of precipitation.Snowfall
In Clarington, snow does not fall in May through September.Daylight
The average length of the day in September in Clarington is 12h and 30min.On the first day of the month, sunrise is at 6:38 am and sunset at 7:49 pm. On the last day of September, sunrise is at 7:11 am and sunset at 6:56 pm EDT.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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Average temperature in September
Clarington, Canada
- Average high temperature in September: 20.4°C
The warmest month (with the highest average high temperature) is July (25.8°C).
The month with the lowest average high temperature is January (-1.4°C).
- Average low temperature in September: 9.5°C
The month with the highest average low temperature is July (14.3°C).
The coldest month (with the lowest average low temperature) is January (-9.9°C).
Average rainfall in September
Clarington, Canada
- Average rainfall in September: 98.7mm
The wettest month (with the highest rainfall) is September (98.7mm).
The driest month (with the least rainfall) is January (32.2mm).
Average rainfall days in September
Clarington, Canada
- Average rainfall days in September: 13 days
The months with the highest number of rainy days are September and October (13 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in September
Clarington, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is January (310mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Clarington, Canada
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September
Clarington, 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).
