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
As Clayhurst enters September, the average high-temperature decreases from the a pleasant 21.4°C (70.5°F) of August to a mild 15.3°C (59.5°F). Throughout September, Clayhurst witnesses a nighttime temperature average of 4.7°C (40.5°F).Humidity
In September, the average relative humidity in Clayhurst is 70%.Rainfall
In Clayhurst, in September, it is raining for 12.6 days, with typically 33mm (1.3") of accumulated precipitation. In Clayhurst, during the entire year, the rain falls for 103.7 days and collects up to 370mm (14.57") of precipitation.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows in Clayhurst, Canada. Throughout September, in the average 1.3 snowfall days, it receives 15mm (0.59") of snow. Throughout the year, there are 92.4 snowfall days, and 928mm (36.54") of snow is accumulated.Daylight
In Clayhurst, the average length of the day in September is 12h and 43min.On the first day of September in Clayhurst, sunrise is at 6:05 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:36 pm MST.
Sunshine
In Clayhurst, the average sunshine in September is 8.1h.UV index
The average daily maximum UV index in September is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.Note: In September, the maximum UV index of 2 suggests this advice:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Clayhurst?
What is the average humidity in September in Clayhurst?
How many days does it rain in September in Clayhurst?
When does it start to snow in Clayhurst?
What is the average length of the day in September in Clayhurst?
What time are sunrise and sunset in September in Clayhurst?
How long on average sun shines in September in Clayhurst?
How high is the UV index in September in Clayhurst?
Average temperature in September
Clayhurst, Canada
- Average high temperature in September: 15.3°C
The warmest month (with the highest average high temperature) is July (22.2°C).
The month with the lowest average high temperature is December (-9.2°C).
- Average low temperature in September: 4.7°C
The month with the highest average low temperature is July (9.1°C).
The coldest month (with the lowest average low temperature) is December (-16°C).
Average pressure in September
Clayhurst, Canada
- Average pressure in September: 1012.9mbar
The month with the highest atmospheric pressure is February (1019.3mbar).
The month with the lowest atmospheric pressure is June (1010.6mbar).
Average wind speed in September
Clayhurst, Canada
- Average wind speed in September: 9.9km/h
The windiest months (with the highest average wind speed) are September and October (9.9km/h).
The calmest month (with the lowest average wind speed) is March (8.5km/h).
Average humidity in September
Clayhurst, Canada
- Average humidity in September: 70%
The months with the highest relative humidity are January and March (94%).
The month with the lowest relative humidity is May (61%).
Average rainfall in September
Clayhurst, Canada
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is June (66mm).
The driest month (with the least rainfall) is February (12mm).
Average rainfall days in September
Clayhurst, Canada
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is June (16.1 days).
The month with the least rainy days is December (1.5 days).
Average snowfall in September
Clayhurst, Canada
- Average snowfall in September: 15mm
The month with the highest snowfall is November (158mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in September
Clayhurst, Canada
- Average snowfall days in September: 1.3 days
The month with the highest number of snowfall days is January (15.7 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Clayhurst, Canada
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 36min).
The month with the shortest days is December (Average daylight: 7h and 0min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in September
Clayhurst, Canada
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is December (19 days).
The month with the least sunshine days is April (11 days).
Average UV index in September
Clayhurst, Canada
- Average UV index in September: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in September
Clayhurst, Canada
- Average cloud cover in September: 36
The month with the most cloud cover is March (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Clayhurst, Canada
- Average visibility in September: 9km
The months with the highest visibility are May, June, July, August and September (9km).
The months with the lowest visibility are January, February, March and December (5km).
