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 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
September
Weather in September
Temperature
September's arrival signals a moderate reduction in the average high-temperature, easing from a comfortable 17.4°C (63.3°F) in August to a fresh 12.6°C (54.7°F). The temperature dips to an average of 7.4°C (45.3°F) during September nights.Humidity
With an average relative humidity of 79%, September is the least humid month.Rainfall
In Port au Choix, during September, the rain falls for 15.2 days and regularly aggregates up to 73mm (2.87") of precipitation. Throughout the year, there are 136.9 rainfall days, and 805mm (31.69") of precipitation is accumulated.Snowfall
In Port au Choix, snow does not fall in June through September.Daylight
The average length of the day in September in Port au Choix, Canada, is 12h and 37min.On the first day of September, sunrise is at 6:34 am and sunset at 8:03 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 6:59 pm NDT.
Sunshine
In Port au Choix, the average sunshine in September is 6.9h.UV index
In Port au Choix, Canada, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: In September, an average UV index of 3 transforms into the following instructions:
Take precautions - Protection against sun damage is advised. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Port au Choix?
What is the least humid month in Port au Choix?
What is the average humidity in September in Port au Choix?
How much does it rain in Port au Choix in September?
When it does not snow in Port au Choix?
Does it snow in Port au Choix in September?
How many hours of daylight does Port au Choix have in September?
When are sunrise and sunset in September in Port au Choix?
How long on average sun shines in September in Port au Choix?
What is the UV index intensity in September in Port au Choix?
Average temperature in September
Port au Choix, 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
Port au Choix, 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
Port au Choix, 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
Port au Choix, 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
Port au Choix, 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
Port au Choix, 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
Port au Choix, 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
Port au Choix, 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 daylight in September /
Average sunshine in September
Port au Choix, Canada
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- 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
Port au Choix, 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
Port au Choix, 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
Port au Choix, 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
Port au Choix, 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).
