Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average sea temperature in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from an enjoyable 17.4°C (63.3°F) in August to a cool 12.6°C (54.7°F). Nighttime temperatures in September average to a frosty 7.4°C (45.3°F).Humidity
September is the least humid month, with an average relative humidity of 79%.Rainfall
In September, the rain falls for 15.2 days. Throughout September, 73mm (2.87") of precipitation is accumulated. In Saint-Augustin, during the entire year, the rain falls for 136.9 days and collects up to 805mm (31.69") of precipitation.Snowfall
In Saint-Augustin, snow does not fall in June through September.Sea temperature
In Saint-Augustin, the average seawater temperature in September is 11.3°C (52.3°F).Note: With an efficient thermal swimsuit, one can navigate 11.3°C (52.3°F) even if it's colder than 10°C (50°F); otherwise, rapid cold shock and breathlessness might set in. Barely wading at 13°C (55.4°F) feels chilly.
Daylight
In Saint-Augustin, the average length of the day in September is 12h and 37min.On the first day of September in Saint-Augustin, Canada, sunrise is at 5:08 am and sunset at 6:39 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 5:34 pm AST.
Sunshine
The average sunshine in September is 6.9h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: In September, the maximum UV index of 3 suggests these recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Saint-Augustin?
What is the least humid month in Saint-Augustin?
What is the average humidity in September in Saint-Augustin?
How much does it rain in Saint-Augustin in September?
When it does not snow in Saint-Augustin?
Does it snow in Saint-Augustin in September?
What is the water temperature in September in Saint-Augustin?
How many hours of daylight does Saint-Augustin have in September?
When are sunrise and sunset in September in Saint-Augustin?
How many hours of sunshine does Saint-Augustin have in September?
What is the UV index intensity in September in Saint-Augustin?
Average temperature in September
Saint-Augustin, Canada
- Average high temperature in September: 12.6°C
The warmest month (with the highest average high temperature) is August (17.4°C).
The month with the lowest average high temperature is February (-7.3°C).
- Average low temperature in September: 7.4°C
The month with the highest average low temperature is August (11.3°C).
The coldest month (with the lowest average low temperature) is February (-14.3°C).
Average pressure in September
Saint-Augustin, Canada
- Average pressure in September: 1012.8mbar
The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is January (1006.7mbar).
Average wind speed in September
Saint-Augustin, Canada
- Average wind speed in September: 20.9km/h
The windiest month (with the highest average wind speed) is November (22.8km/h).
The calmest month (with the lowest average wind speed) is July (16.2km/h).
Average humidity in September
Saint-Augustin, Canada
- Average humidity in September: 79%
The month with the highest relative humidity is April (91%).
The month with the lowest relative humidity is September (79%).
Average rainfall in September
Saint-Augustin, Canada
- Average rainfall in September: 73mm
The wettest month (with the highest rainfall) is November (97mm).
The driest month (with the least rainfall) is July (52mm).
Average rainfall days in September
Saint-Augustin, Canada
- Average rainfall days in September: 15.2 days
The month with the highest number of rainy days is June (16.4 days).
The month with the least rainy days is February (3.3 days).
Average snowfall in September
Saint-Augustin, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is January (181mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Saint-Augustin, Canada
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is March (17.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average sea temperature in September
Saint-Augustin, Canada
- Average sea temperature in September: 11.3°C
The best month for swimming (with the highest average sea temperature) is August (13.8°C).
The coldest month (with the lowest average sea temperature) is March (-1.4°C).
Average daylight in September /
Average sunshine in September
Saint-Augustin, Canada
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 6h and 5min
The month with the most sunshine is August (Average sunshine: 7h and 54min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).
Average sunshine days in September
Saint-Augustin, Canada
- Average sunshine days in September: 12.8 days
The month with the most sunshine days is October (14.2 days).
The month with the least sunshine days is April (9.3 days).
Average UV index in September
Saint-Augustin, Canada
- Average UV index in September: 3
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, March and April (UV index 1).
Average cloud cover in September
Saint-Augustin, Canada
- Average cloud cover in September: 50
The month with the most cloud cover is April (Cloud cover 69).
The month with the least cloud cover is September (Cloud cover 50).
Average visibility in September
Saint-Augustin, Canada
- Average visibility in September: 9km
The months with the highest visibility are June, July, August, September, October and November (9km).
The months with the lowest visibility are January, February, March, April, May and December (8km).
Saint-Augustin, Canada
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