September weather forecastTillsonburg, Canada
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Tillsonburg, Canada, with an average temperature fluctuating between 11.7°C (53.1°F) and 21.3°C (70.3°F).Temperature
As August transitions into September, Tillsonburg sees a gentle drop in the average high-temperature, transitioning from a moderately hot 24.5°C (76.1°F) to a pleasant 21.3°C (70.3°F). In September, Tillsonburg encounters an average low-temperature of 11.7°C (53.1°F) during the night.Humidity
In September, the average relative humidity is 80%.Rainfall
In September, in Tillsonburg, the rain falls for 10.6 days. Throughout September, 23mm (0.91") of precipitation is accumulated. In Tillsonburg, during the entire year, the rain falls for 128.1 days and collects up to 346mm (13.62") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 29min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:57 pm. On the last day of September, sunrise is at 7:19 am and sunset at 7:05 pm EDT.
Sunshine
The average sunshine in September is 8.1h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In September, the maximum UV index of 3 suggests this advice:
Exercise prevention - Precautions against solar damage are endorsed. It's recommended to limit sun exposure when its radiation is at its peak during midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Tillsonburg, Canada
- Average high temperature in September: 21.3°C
The warmest month (with the highest average high temperature) is July (25.5°C).
The month with the lowest average high temperature is January (-2.8°C).
- Average low temperature in September: 11.7°C
The month with the highest average low temperature is July (15.4°C).
The coldest months (with the lowest average low temperature) are January and February (-8.2°C).
Average pressure in September
Tillsonburg, Canada
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is March (1018.7mbar).
The month with the lowest atmospheric pressure is June (1013.4mbar).
Average wind speed in September
Tillsonburg, Canada
- Average wind speed in September: 11.8km/h
The windiest month (with the highest average wind speed) is January (17.9km/h).
The calmest month (with the lowest average wind speed) is July (10.4km/h).
Average humidity in September
Tillsonburg, Canada
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (88%).
The months with the lowest relative humidity are April and May (75%).
Average rainfall in September
Tillsonburg, Canada
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is July (45mm).
The driest month (with the least rainfall) is March (20mm).
Average rainfall days in September
Tillsonburg, Canada
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is May (14.1 days).
The months with the least rainy days are January and February (5.7 days).
Average snowfall in September
Tillsonburg, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is January (71mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Tillsonburg, Canada
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Tillsonburg, Canada
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in September
Tillsonburg, Canada
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is September (16.1 days).
The month with the least sunshine days is January (9.3 days).
Average UV index in September
Tillsonburg, Canada
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in September
Tillsonburg, Canada
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Tillsonburg, Canada
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January and February (8km).





