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 shift from August to September includes a small decrease in the average high-temperature, from a refreshing 14.4°C (57.9°F) to a cool 10.3°C (50.5°F). Churchill's temperature during September nights registers a minor decrease to an average low of 5.5°C (41.9°F).Humidity
In Churchill, the average relative humidity in September is 77%.Rainfall
In Churchill, Canada, in September, during 13 rainfall days, 33mm (1.3") of precipitation is typically accumulated. Throughout the year, in Churchill, there are 74.7 rainfall days, and 294mm (11.57") of precipitation is accumulated.Snowfall
Months with snowfall in Churchill are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 0.6 snowfall days, it receives 2mm (0.08") of snow. Throughout the year, in Churchill, there are 84.6 snowfall days, and 355mm (13.98") of snow is accumulated.Sea temperature
In September, the average sea temperature is 7°C (44.6°F).Note: Swimming in 7°C (44.6°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.
Daylight
In September, the average length of the day in Churchill is 12h and 48min.On the first day of the month, sunrise is at 6:16 am and sunset at 8:16 pm. On the last day of September, sunrise is at 7:21 am and sunset at 6:51 pm CDT.
Sunshine
The average sunshine in September is 6.3h.UV index
The average daily maximum UV index in September is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: An average maximum UV index of 2 in September leads to these recommendations:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
What are September temperatures in Churchill?
What is the average humidity in September in Churchill?
How many days does it rain in September in Churchill?
When does it start snowing in Churchill?
What is the sea water temperature in September in Churchill?
What is the average length of the day in September in Churchill?
What time are sunrise and sunset in September in Churchill?
How many hours of sunshine does Churchill have in September?
What is the UV index reading in September in Churchill?
Average temperature in September
Churchill, Canada
- Average high temperature in September: 10.3°C
The warmest month (with the highest average high temperature) is August (14.4°C).
The month with the lowest average high temperature is January (-20.5°C).
- Average low temperature in September: 5.5°C
The month with the highest average low temperature is August (9°C).
The coldest month (with the lowest average low temperature) is February (-25.9°C).
Average pressure in September
Churchill, Canada
- Average pressure in September: 1011.5mbar
The month with the highest atmospheric pressure is March (1020mbar).
The month with the lowest atmospheric pressure is July (1010.1mbar).
Average wind speed in September
Churchill, Canada
- Average wind speed in September: 22.1km/h
The windiest month (with the highest average wind speed) is October (23.5km/h).
The calmest month (with the lowest average wind speed) is July (16.8km/h).
Average humidity in September
Churchill, Canada
- Average humidity in September: 77%
The months with the highest relative humidity are January and February (96%).
The month with the lowest relative humidity is June (71%).
Average rainfall in September
Churchill, Canada
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is August (63mm).
The driest month (with the least rainfall) is February (5mm).
Average rainfall days in September
Churchill, Canada
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is August (13.6 days).
The months with the least rainy days are January and February (0.3 days).
Average snowfall in September
Churchill, Canada
- Average snowfall in September: 2mm
The month with the highest snowfall is November (60mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Churchill, Canada
- Average snowfall days in September: 0.6 days
The month with the highest number of snowfall days is December (12.3 days).
The months with the least snowfall days are July and August (0 days).
Average sea temperature in September
Churchill, Canada
- Average sea temperature in September: 7°C
The best month for swimming (with the highest average sea temperature) is August (8°C).
The coldest months (with the lowest average sea temperature) are January, February, March, April and December (-2°C).
Average daylight in September /
Average sunshine in September
Churchill, Canada
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 18min).
The month with the shortest days is December (Average daylight: 6h and 24min).
- Average sunshine in September: 6h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 1h and 18min).
Average sunshine days in September
Churchill, Canada
- Average sunshine days in September: 13.7 days
The month with the most sunshine days is January (21.5 days).
The month with the least sunshine days is October (11.4 days).
Average UV index in September
Churchill, Canada
- Average UV index in September: 2
The months with the highest UV index are June, July and August (UV index 3).
The months with the lowest UV index are January, February, March, April, October, November and December (UV index 1).
Average cloud cover in September
Churchill, Canada
- Average cloud cover in September: 55
The month with the most cloud cover is January (Cloud cover 87).
The month with the least cloud cover is June (Cloud cover 38).
Average visibility in September
Churchill, Canada
- Average visibility in September: 9km
The months with the highest visibility are June and July (10km).
The month with the lowest visibility is January (7km).
Churchill, Canada
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