September weather forecastYellow Grass, Canada
September
Weather in September
September, the first month of the autumn in Yellow Grass, is still a refreshing month, with an average temperature ranging between max 19.6°C (67.3°F) and min 10.3°C (50.5°F).Temperature
As August transitions into September, Yellow Grass sees a drop in the average high-temperature, transitioning from a warm 25.5°C (77.9°F) to a refreshing 19.6°C (67.3°F). Yellow Grass encounters an average low-temperature of 10.3°C (50.5°F) during September nights.Humidity
In Yellow Grass, the average relative humidity in September is 54%.Rainfall
In September, the rain falls for 6.1 days. Throughout September, 25mm (0.98") of precipitation is accumulated. In Yellow Grass, during the entire year, the rain falls for 63.4 days and collects up to 233mm (9.17") of precipitation.Snowfall
January through May, September through December are months with snowfall in Yellow Grass. September is the first month it typically snows in Yellow Grass, Canada. Throughout September, in the average 0.3 snowfall days, it receives 7mm (0.28") of snow. Throughout the year, there are 38.8 snowfall days, and 210mm (8.27") of snow is accumulated.Daylight
In Yellow Grass, the average length of the day in September is 12h and 35min.On the first day of September, sunrise is at 6:13 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:36 pm CST.
Sunshine
The average sunshine in September is 8.4h.UV index
The average daily maximum UV index in September in Yellow Grass is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: In September, a daily UV index of 4 turns into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Yellow Grass, Canada
- Average high temperature in September: 19.6°C
The warmest month (with the highest average high temperature) is July (25.8°C).
The month with the lowest average high temperature is February (-8.6°C).
- Average low temperature in September: 10.3°C
The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is February (-16°C).
Average pressure in September
Yellow Grass, Canada
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is February (1021.7mbar).
The month with the lowest atmospheric pressure is June (1010mbar).
Average wind speed in September
Yellow Grass, Canada
- Average wind speed in September: 15km/h
The windiest month (with the highest average wind speed) is April (17.1km/h).
The calmest month (with the lowest average wind speed) is August (13.6km/h).
Average humidity in September
Yellow Grass, Canada
- Average humidity in September: 54%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is August (53%).
Average rainfall in September
Yellow Grass, Canada
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is June (52mm).
The driest months (with the least rainfall) are January, February and December (4mm).
Average rainfall days in September
Yellow Grass, Canada
- Average rainfall days in September: 6.1 days
The month with the highest number of rainy days is June (11.5 days).
The month with the least rainy days is February (0.2 days).
Average snowfall in September
Yellow Grass, Canada
- Average snowfall in September: 7mm
The month with the highest snowfall is November (45mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Yellow Grass, Canada
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is November (7.4 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Yellow Grass, Canada
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is July (Average sunshine: 12h and 24min).
The months with the least sunshine are January and December (Average sunshine: 3h and 18min).
Average sunshine days in September
Yellow Grass, Canada
- Average sunshine days in September: 22.8 days
The month with the most sunshine days is January (24.8 days).
The month with the least sunshine days is June (16.3 days).
Average UV index in September
Yellow Grass, Canada
- Average UV index in September: 4
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, November and December (UV index 1).
Average cloud cover in September
Yellow Grass, Canada
- Average cloud cover in September: 28
The month with the most cloud cover is February (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 23).
Average visibility in September
Yellow Grass, Canada
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August and September (10km).
The months with the lowest visibility are January, February, March and December (8km).
