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
The start of September involves a temperature drop, moving from a refreshing 14.8°C (58.6°F) in August to a chilly 9.6°C (49.3°F). Throughout September, a steady low-temperature average of 1.3°C (34.3°F) is noted.Humidity
In September, the average relative humidity is 76%.Rainfall
In Defot, Canada, in September, during 14.5 rainfall days, 26mm (1.02") of precipitation is typically accumulated. Throughout the year, there are 115.5 rainfall days, and 264mm (10.39") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, August through December. In September, in Defot, it is snowing for 2.6 days. Throughout September, 15mm (0.59") of snow is accumulated. Throughout the year, there are 111.9 snowfall days, and 855mm (33.66") of snow is accumulated.Daylight
In September, the average length of the day is 12h and 47min.On the first day of the month, sunrise is at 6:41 am and sunset at 8:41 pm. On the last day of September, sunrise is at 7:46 am and sunset at 7:16 pm PDT.
Sunshine
In September, the average sunshine is 8.2h.UV index
In September, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 2 translates into these guidelines:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. When the Sun is at its strongest around midday, find shade and limit exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Defot in September?
What is the average humidity in September?
How many days does it rain in September?
How much does it snow in September?
How many hours of daylight does Defot have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Defot, Canada
- Average high temperature in September: 9.6°C
The warmest month (with the highest average high temperature) is July (16.4°C).
The month with the lowest average high temperature is December (-10.5°C).
- Average low temperature in September: 1.3°C
The month with the highest average low temperature is July (5.3°C).
The coldest month (with the lowest average low temperature) is February (-17.3°C).
Average pressure in September
Defot, Canada
- Average pressure in September: 1012.8mbar
The month with the highest atmospheric pressure is February (1018mbar).
The month with the lowest atmospheric pressure is June (1012.7mbar).
Average wind speed in September
Defot, Canada
- Average wind speed in September: 9.9km/h
The windiest months (with the highest average wind speed) are January and June (10.3km/h).
The calmest month (with the lowest average wind speed) is February (8.8km/h).
Average humidity in September
Defot, Canada
- Average humidity in September: 76%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is June (62%).
Average rainfall in September
Defot, Canada
- Average rainfall in September: 26mm
The wettest month (with the highest rainfall) is August (40mm).
The driest month (with the least rainfall) is February (9mm).
Average rainfall days in September
Defot, Canada
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is August (15.3 days).
The month with the least rainy days is February (3.2 days).
Average snowfall in September
Defot, Canada
- Average snowfall in September: 15mm
The month with the highest snowfall is November (195mm).
The months with the least snowfall are June and July (0mm).
Average snowfall days in September
Defot, Canada
- Average snowfall days in September: 2.6 days
The month with the highest number of snowfall days is November (17.9 days).
The months with the least snowfall days are June and July (0 days).
Average daylight in September /
Average sunshine in September
Defot, 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: 8h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in September
Defot, Canada
- Average sunshine days in September: 12.7 days
The months with the most sunshine days are May and December (16.1 days).
The month with the least sunshine days is April (12.2 days).
Average UV index in September
Defot, Canada
- Average UV index in September: 2
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, March and November (UV index 1).
Average cloud cover in September
Defot, Canada
- Average cloud cover in September: 44
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is May (Cloud cover 38).
Average visibility in September
Defot, Canada
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March and December (7km).
