September weather forecastEastmain, Canada
September
Weather in September
The first month of the autumn, September, is still a cool month in Eastmain, Canada, with temperature in the range of an average high of 12.9°C (55.2°F) and an average low of 7.3°C (45.1°F).Temperature
The move into September indicates a slight reduction in the average high-temperature, down from August's comfortable 16.5°C (61.7°F) to a cool 12.9°C (55.2°F). The average nighttime temperature lowers to a chilly 7.3°C (45.1°F) throughout September.Humidity
In Eastmain, Canada, the average relative humidity in September is 81%.Rainfall
In September, the rain falls for 16.2 days. Throughout September, 54mm (2.13") of precipitation is accumulated. Throughout the year, there are 122 rainfall days, and 592mm (23.31") of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 0.3 snowfall days, it receives 2mm (0.08") of snow. In Eastmain, during the entire year, snow falls for 140.5 days and aggregates up to 1310mm (51.57") of snow.Daylight
In Eastmain, the average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 6:26 am and sunset at 8:00 pm. On the last day of September, in Eastmain, Canada, sunrise is at 7:14 am and sunset at 6:52 pm EDT.
Sunshine
In Eastmain, the average sunshine in September is 6.7h.UV index
In September, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 2 in September translates into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Around midday, solar radiation is most harmful; hence, exposure should be limited. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Eastmain, Canada
- Average high temperature in September: 12.9°C
The warmest month (with the highest average high temperature) is August (16.5°C).
The month with the lowest average high temperature is January (-13.8°C).
- Average low temperature in September: 7.3°C
The month with the highest average low temperature is August (9.3°C).
The coldest month (with the lowest average low temperature) is January (-19.9°C).
Average pressure in September
Eastmain, Canada
- Average pressure in September: 1013.8mbar
The month with the highest atmospheric pressure is March (1018.7mbar).
The month with the lowest atmospheric pressure is July (1009.8mbar).
Average wind speed in September
Eastmain, Canada
- Average wind speed in September: 16.1km/h
The windiest month (with the highest average wind speed) is November (18.3km/h).
The calmest months (with the lowest average wind speed) are June, July and August (13.1km/h).
Average humidity in September
Eastmain, Canada
- Average humidity in September: 81%
The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is June (70%).
Average rainfall in September
Eastmain, Canada
- Average rainfall in September: 54mm
The wettest month (with the highest rainfall) is October (72mm).
The driest month (with the least rainfall) is February (29mm).
Average rainfall days in September
Eastmain, Canada
- Average rainfall days in September: 16.2 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (1.3 days).
Average snowfall in September
Eastmain, Canada
- Average snowfall in September: 2mm
The month with the highest snowfall is December (246mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Eastmain, Canada
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is January (24.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Eastmain, Canada
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 6h and 42min
The month with the most sunshine is June (Average sunshine: 9h and 6min).
The month with the least sunshine is January (Average sunshine: 1h and 6min).
Average sunshine days in September
Eastmain, Canada
- Average sunshine days in September: 11.5 days
The month with the most sunshine days is June (15.2 days).
The month with the least sunshine days is November (4.2 days).
Average UV index in September
Eastmain, Canada
- Average UV index in September: 2
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in September
Eastmain, Canada
- Average cloud cover in September: 52
The months with the most cloud cover are January and February (Cloud cover 90).
The month with the least cloud cover is June (Cloud cover 39).
Average visibility in September
Eastmain, 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).





