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
Weather in September
Temperature
As Waterton Park enters September, the average high-temperature decreases from the a moderately hot 24°C (75.2°F) of August to an enjoyable 18.1°C (64.6°F). Waterton Park encounters a substantial decline from its daily high to a low-temperature of 5.9°C (42.6°F) during September nights.Humidity
In Waterton Park, the average relative humidity in September is 57%.Rainfall
In Waterton Park, in September, during 7 rainfall days, 24mm (0.94") of precipitation is typically accumulated. In Waterton Park, during the entire year, the rain falls for 79.6 days and collects up to 292mm (11.5") of precipitation.Snowfall
January through June, September through December are months with snowfall. September is the first month it typically snows in Waterton Park, Canada. Throughout September, in the average 1.2 snowfall days, it receives 28mm (1.1") of snow. Throughout the year, in Waterton Park, there are 55.8 snowfall days, and 822mm (32.36") of snow is accumulated.Daylight
The average length of the day in September is 12h and 34min.On the first day of the month, sunrise is at 6:53 am and sunset at 8:17 pm. On the last day of September, in Waterton Park, sunrise is at 7:35 am and sunset at 7:15 pm MDT.
Sunshine
The average sunshine in September is 9.3h.UV index
In Waterton Park, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high daily UV index of 3 during September translates into the following directions:
Guard yourself - Precautionary measures against sun damage are advocated. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Frequently asked questions
What are the temperatures in Waterton Park in September?
What is the average humidity in September in Waterton Park?
How much does it rain in Waterton Park in September?
When does it start snowing in Waterton Park?
How many hours of daylight does Waterton Park have in September?
What time are sunrise and sunset in September in Waterton Park?
How long on average sun shines in September in Waterton Park?
How high is the UV index in September in Waterton Park?
Average temperature in September
Waterton Park, Canada
- Average high temperature in September: 18.1°C
The warmest months (with the highest average high temperature) are July and August (24°C).
The month with the lowest average high temperature is December (-3.5°C).
- Average low temperature in September: 5.9°C
The month with the highest average low temperature is August (9.5°C).
The coldest month (with the lowest average low temperature) is December (-9.9°C).
Average pressure in September
Waterton Park, Canada
- Average pressure in September: 1014.5mbar
The month with the highest atmospheric pressure is January (1020.4mbar).
The month with the lowest atmospheric pressure is June (1011.8mbar).
Average wind speed in September
Waterton Park, Canada
- Average wind speed in September: 12.5km/h
The windiest month (with the highest average wind speed) is January (16.7km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).
Average humidity in September
Waterton Park, Canada
- Average humidity in September: 57%
The months with the highest relative humidity are January and December (81%).
The month with the lowest relative humidity is August (52%).
Average rainfall in September
Waterton Park, Canada
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is June (63mm).
The driest month (with the least rainfall) is January (5mm).
Average rainfall days in September
Waterton Park, Canada
- Average rainfall days in September: 7 days
The months with the highest number of rainy days are May and June (14 days).
The months with the least rainy days are January and February (1.8 days).
Average snowfall in September
Waterton Park, Canada
- Average snowfall in September: 28mm
The month with the highest snowfall is April (166mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Waterton Park, Canada
- Average snowfall days in September: 1.2 days
The month with the highest number of snowfall days is March (9.2 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Waterton Park, 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 2min
The month with the most sunshine is July (Average sunshine: 11h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in September
Waterton Park, Canada
- Average sunshine days in September: 20.5 days
The month with the most sunshine days is January (24.4 days).
The month with the least sunshine days is June (12.5 days).
Average UV index in September
Waterton Park, 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, March, April, October, November and December (UV index 2).
Average cloud cover in September
Waterton Park, Canada
- Average cloud cover in September: 23
The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in September
Waterton Park, Canada
- Average visibility in September: 9km
The months with the highest visibility are July and August (10km).
The months with the lowest visibility are January, February, March, April, May, June, September, October, November and December (9km).
Waterton Park, Canada
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