September weather forecastMarwayne, Canada
September
Weather in September
September, the first month of the autumn in Marwayne, is still a refreshing month, with an average temperature fluctuating between 17.3°C (63.1°F) and 7.1°C (44.8°F).Temperature
Marwayne's progression into September includes a drop in the average high-temperature, from a pleasant 22.3°C (72.1°F) in August to an enjoyable 17.3°C (63.1°F). Nighttime temperatures in September average to a frosty 7.1°C (44.8°F).Humidity
The average relative humidity in September in Marwayne, Canada, is 62%.Rainfall
In Marwayne, during September, the rain falls for 8 days and regularly aggregates up to 16mm (0.63") of precipitation. Throughout the year, there are 98 rainfall days, and 307mm (12.09") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. September is the first month it typically snows in Marwayne. Throughout September, in the average 0.6 snowfall days, it receives 7mm (0.28") of snow. Throughout the year, there are 80.3 snowfall days, and 529mm (20.83") of snow is accumulated.Daylight
The average length of the day in September in Marwayne is 12h and 40min.On the first day of September, sunrise is at 6:32 am and sunset at 8:10 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 6:59 pm MDT.
Sunshine
In Marwayne, the average sunshine in September is 9.1h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 3 during September translates into the following guidance:
Undertake protective steps - Recommendations to avoid sunburn are issued. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Enhance your sun protection with tightly woven, yet airy clothing. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Marwayne, Canada
- Average high temperature in September: 17.3°C
The warmest month (with the highest average high temperature) is August (22.3°C).
The month with the lowest average high temperature is February (-9.3°C).
- Average low temperature in September: 7.1°C
The month with the highest average low temperature is July (11.4°C).
The coldest month (with the lowest average low temperature) is February (-16.8°C).
Average pressure in September
Marwayne, Canada
- Average pressure in September: 1013.3mbar
The month with the highest atmospheric pressure is February (1021.3mbar).
The month with the lowest atmospheric pressure is June (1009.9mbar).
Average wind speed in September
Marwayne, Canada
- Average wind speed in September: 13.2km/h
The windiest months (with the highest average wind speed) are January and April (14.9km/h).
The calmest month (with the lowest average wind speed) is August (12.1km/h).
Average humidity in September
Marwayne, Canada
- Average humidity in September: 62%
The months with the highest relative humidity are January, February and March (92%).
The month with the lowest relative humidity is May (59%).
Average rainfall in September
Marwayne, Canada
- Average rainfall in September: 16mm
The wettest month (with the highest rainfall) is June (71mm).
The driest month (with the least rainfall) is December (9mm).
Average rainfall days in September
Marwayne, Canada
- Average rainfall days in September: 8 days
The month with the highest number of rainy days is June (18 days).
The month with the least rainy days is February (2 days).
Average snowfall in September
Marwayne, Canada
- Average snowfall in September: 7mm
The month with the highest snowfall is April (100mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Marwayne, Canada
- Average snowfall days in September: 0.6 days
The month with the highest number of snowfall days is March (14.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Marwayne, Canada
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in September: 9h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).
Average sunshine days in September
Marwayne, Canada
- Average sunshine days in September: 20.3 days
The month with the most sunshine days is September (20.3 days).
The month with the least sunshine days is June (10.2 days).
Average UV index in September
Marwayne, Canada
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February and October (UV index 1).
Average cloud cover in September
Marwayne, Canada
- Average cloud cover in September: 32
The months with the most cloud cover are February and March (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Marwayne, Canada
- Average visibility in September: 10km
The months with the highest visibility are May, August and September (10km).
The month with the lowest visibility is February (7km).
