September weather forecastTerrebonne, Canada
September weather for Terrebonne, Canada: The first month of the autumn, September, is also an agreeable month in Terrebonne, Canada, with an average temperature ranging between min 10.7°C (51.3°F) and max 20.4°C (68.7°F). The month with the least rainfall in Terrebonne is September, when the rain falls for 11.4 days and typically collects 51mm (2.01") of precipitation.
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Terrebonne, Canada, with an average temperature ranging between min 10.7°C (51.3°F) and max 20.4°C (68.7°F).Temperature
Terrebonne's weather subtly changes with the onset of September, barely falling from a moderately hot 24.3°C (75.7°F) in August to a pleasant 20.4°C (68.7°F). Terrebonne in September anticipates an average nighttime temperature of 10.7°C (51.3°F).Humidity
In Terrebonne, Canada, the average relative humidity in September is 77%.Rainfall
The month with the least rainfall in Terrebonne is September, when the rain falls for 11.4 days and typically collects 51mm (2.01") of precipitation.Snowfall
In Terrebonne, snow does not fall in June through September.Daylight
In Terrebonne, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:16 am and sunset at 7:32 pm. On the last day of September, in Terrebonne, sunrise is at 6:52 am and sunset at 6:36 pm EDT.
Sunshine
In Terrebonne, Canada, the average sunshine in September is 8.8h.UV index
In Terrebonne, Canada, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: A maximum daily UV index of 3 during September morphs into the following directions:
Put precautions into practice - Guidance to elude sunburn is provided. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Terrebonne, Canada
- Average high temperature in September: 20.4°C
The warmest month (with the highest average high temperature) is July (25.3°C).
The month with the lowest average high temperature is January (-6.3°C).
- Average low temperature in September: 10.7°C
The month with the highest average low temperature is July (15.3°C).
The coldest month (with the lowest average low temperature) is January (-13.7°C).
Average pressure in September
Terrebonne, Canada
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is November (1017.7mbar).
The month with the lowest atmospheric pressure is June (1012.4mbar).
Average wind speed in September
Terrebonne, Canada
- Average wind speed in September: 10.7km/h
The windiest month (with the highest average wind speed) is April (14km/h).
The calmest months (with the lowest average wind speed) are July, August and September (10.7km/h).
Average humidity in September
Terrebonne, Canada
- Average humidity in September: 77%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (74%).
Average rainfall in September
Terrebonne, Canada
- Average rainfall in September: 51mm
The wettest month (with the highest rainfall) is April (78mm).
The driest month (with the least rainfall) is September (51mm).
Average rainfall days in September
Terrebonne, Canada
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (5.6 days).
Average snowfall in September
Terrebonne, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is January (253mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Terrebonne, Canada
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Terrebonne, Canada
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 8h and 48min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in September
Terrebonne, Canada
- Average sunshine days in September: 17.2 days
The month with the most sunshine days is September (17.2 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in September
Terrebonne, Canada
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Terrebonne, Canada
- Average cloud cover in September: 35
The month with the most cloud cover is February (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in September
Terrebonne, Canada
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January and February (7km).
