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
Yahk in September experiences a subtle temperature decline, with average high-temperatures reducing from a moderately hot 24.6°C (76.3°F) in August to a refreshing 18.8°C (65.8°F). Yahk, in September, displays a significant temperature downturn during the night, with an average reading of 4.4°C (39.9°F).Humidity
The average relative humidity in September is 64%.Rainfall
In Yahk, Canada, in September, during 9.5 rainfall days, 22mm (0.87") of precipitation is typically accumulated. Throughout the year, in Yahk, there are 157.1 rainfall days, and 549mm (21.61") of precipitation is accumulated.Snowfall
January through April, September through December are months with snowfall. September is the first month it typically snows in Yahk. Throughout September, in the average 0.3 snowfall days, it receives 13mm (0.51") of snow. Throughout the year, in Yahk, there are 70.6 snowfall days, and 1061mm (41.77") of snow is accumulated.Daylight
In Yahk, the average length of the day in September is 12h and 34min.On the first day of September, sunrise is at 7:02 am and sunset at 8:26 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 7:24 pm MDT.
Sunshine
The average sunshine in September is 9.7h.UV index
The average daily maximum UV index in September in Yahk is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily maximum UV index of 3 in September interprets into the following advice:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Yahk?
What is the average humidity in September in Yahk?
How much does it rain in Yahk in September?
When does it start to snow in Yahk?
What is the average length of the day in September in Yahk?
When is the sunrise / sunset in September in Yahk?
How many hours of sunshine does Yahk have in September?
What is the UV index reading in September in Yahk?
Average temperature in September
Yahk, Canada
- Average high temperature in September: 18.8°C
The warmest month (with the highest average high temperature) is August (24.6°C).
The month with the lowest average high temperature is December (-2.6°C).
- Average low temperature in September: 4.4°C
The month with the highest average low temperature is August (8.7°C).
The coldest months (with the lowest average low temperature) are January and December (-8.7°C).
Average pressure in September
Yahk, Canada
- Average pressure in September: 1015.1mbar
The month with the highest atmospheric pressure is January (1022.3mbar).
The month with the lowest atmospheric pressure is June (1013mbar).
Average wind speed in September
Yahk, Canada
- Average wind speed in September: 6km/h
The windiest month (with the highest average wind speed) is June (6.9km/h).
The calmest month (with the lowest average wind speed) is December (5.6km/h).
Average humidity in September
Yahk, Canada
- Average humidity in September: 64%
The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is August (55%).
Average rainfall in September
Yahk, Canada
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is December (70mm).
The driest month (with the least rainfall) is August (11mm).
Average rainfall days in September
Yahk, Canada
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is April (19.7 days).
The month with the least rainy days is August (6.5 days).
Average snowfall in September
Yahk, Canada
- Average snowfall in September: 13mm
The month with the highest snowfall is January (280mm).
The months with the least snowfall are May, June, July and August (0mm).
Average snowfall days in September
Yahk, Canada
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is December (17.4 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Yahk, Canada
- Average daylight in September: 12h and 4min
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 18min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Yahk, Canada
- Average sunshine days in September: 18 days
The month with the most sunshine days is August (21.8 days).
The month with the least sunshine days is March (7.7 days).
Average UV index in September
Yahk, Canada
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Yahk, Canada
- Average cloud cover in September: 25
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in September
Yahk, Canada
- Average visibility in September: 9km
The months with the highest visibility are July and August (10km).
The month with the lowest visibility is January (4km).
