September weather forecastRainy River, Canada

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Rainy River, Canada, with an average temperature varying between 17.7°C (63.9°F) and 9.6°C (49.3°F).

Temperature

The beginning of September subtly marks a decrease in the average high-temperature, transitioning from an agreeable 22.5°C (72.5°F) in August to an enjoyable 17.7°C (63.9°F). Rainy River experiences a consistent average temperature of 9.6°C (49.3°F) throughout the nights in September.

Humidity

The average relative humidity in September is 75%.

Rainfall

In Rainy River, in September, during 12.6 rainfall days, 43mm (1.69") of precipitation is typically accumulated. In Rainy River, during the entire year, the rain falls for 116.4 days and collects up to 500mm (19.69") of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Rainy River, the average length of the day in September is 12h and 34min.
On the first day of September in Rainy River, sunrise is at 6:36 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 6:58 pm CDT.

Sunshine

The average sunshine in September in Rainy River is 8.3h.

UV index

In Rainy River, 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 the average person.
Note: The maximum UV index, 3 during September, leads to the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Enhance your sun protection with tightly woven, yet airy clothing. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.

Frequently asked questions

In September, in Rainy River, the average high-temperature is 17.7°C (63.9°F), and the average low-temperature is 9.6°C (49.3°F).

The average relative humidity in September in Rainy River, Canada, is 75%.

In Rainy River, Canada, in September, during 12.6 rainfall days, 43mm (1.69") of precipitation is typically accumulated.

June through September are months without snowfall.

In Rainy River, Canada, in September, it doesn't snow. In October, it regularly snows.

In September, the average day length in Rainy River, Canada, is 12h and 34min.

On the first day of September in Rainy River, Canada, sunrise is at 6:36 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 6:58 pm CDT.

In September, the average sunshine duration in Rainy River, Canada, is 8.3h.

The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Rainy River, Canada

  • Average high temperature in September: 17.7°C

The warmest month (with the highest average high temperature) is July (23°C).
The month with the lowest average high temperature is January (-9.8°C).

  • Average low temperature in September: 9.6°C

The month with the highest average low temperature is July (13.9°C).
The coldest month (with the lowest average low temperature) is January (-16.8°C).

Average pressure in September
Rainy River, Canada

  • Average pressure in September: 1014.6mbar

The month with the highest atmospheric pressure is February (1020.6mbar).
The month with the lowest atmospheric pressure is June (1011.1mbar).

Average wind speed in September
Rainy River, Canada

  • Average wind speed in September: 13.9km/h

The windiest month (with the highest average wind speed) is November (15.1km/h).
The calmest month (with the lowest average wind speed) is August (11.5km/h).

Average humidity in September
Rainy River, Canada

  • Average humidity in September: 75%

The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is May (69%).

Average rainfall in September
Rainy River, Canada

  • Average rainfall in September: 43mm

The wettest month (with the highest rainfall) is June (80mm).
The driest month (with the least rainfall) is February (21mm).

Average rainfall days in September
Rainy River, Canada

  • Average rainfall days in September: 12.6 days

The month with the highest number of rainy days is June (17.3 days).
The month with the least rainy days is January (1.6 days).

Average snowfall in September
Rainy River, Canada

  • Average snowfall in September: 0mm

The month with the highest snowfall is December (195mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Rainy River, Canada

  • Average snowfall days in September: 0.2 days

The month with the highest number of snowfall days is January (23.7 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in September /
Average sunshine in September
Rainy River, Canada

  • Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).

  • Average sunshine in September: 8h and 18min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 1h and 36min).

Average sunshine days in September
Rainy River, Canada

  • Average sunshine days in September: 15.4 days

The month with the most sunshine days is August (15.9 days).
The month with the least sunshine days is January (8.2 days).

Average UV index in September
Rainy River, Canada

  • Average UV index in September: 3

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 1).

Average cloud cover in September
Rainy River, Canada

  • Average cloud cover in September: 37

The month with the most cloud cover is January (Cloud cover 85).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in September
Rainy River, Canada

  • Average visibility in September: 9km

The months with the highest visibility are May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (6km).