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
A minor decrease in the average high-temperature is observed during September, shifting from a moderately hot 27.7°C (81.9°F) in August to a still warm 24°C (75.2°F). Colliers's average low-temperature for the month of September records at a cool 12.8°C (55°F).Humidity
In September, the average relative humidity in Colliers is 79%.Rainfall
In Colliers, during September, the rain falls for 14.9 days and regularly aggregates up to 61mm (2.4") of precipitation. In Colliers, West Virginia, during the entire year, the rain falls for 175.9 days and collects up to 793mm (31.22") of precipitation.Snowfall
In Colliers, West Virginia, snow does not fall in June through September.Daylight
In Colliers, the average length of the day in September is 12h and 27min.On the first day of September in Colliers, sunrise is at 6:50 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 7:05 pm EDT.
Sunshine
In September, the average sunshine is 8.2h.UV index
The average daily maximum UV index in September in Colliers is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Act with care - The need to guard against sun damage is communicated. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Frequently asked questions
What are the temperatures in Colliers in September?
What is the average humidity in September in Colliers?
How much does it rain in Colliers in September?
When it does not snow in Colliers?
Does it snow in Colliers in September?
How many hours of daylight does Colliers have in September?
When is the sunrise / sunset in September in Colliers?
How many hours of sunshine does Colliers have in September?
How high is the UV index in September in Colliers?
Average temperature in September
Colliers, WV
- Average high temperature in September: 24°C
The warmest month (with the highest average high temperature) is July (28.5°C).
The month with the lowest average high temperature is January (0.6°C).
- Average low temperature in September: 12.8°C
The month with the highest average low temperature is July (16.3°C).
The coldest month (with the lowest average low temperature) is January (-6.5°C).
Average pressure in September
Colliers, WV
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is November (1020.4mbar).
The month with the lowest atmospheric pressure is June (1014mbar).
Average wind speed in September
Colliers, WV
- Average wind speed in September: 8.3km/h
The windiest month (with the highest average wind speed) is January (13km/h).
The calmest month (with the lowest average wind speed) is August (7.5km/h).
Average humidity in September
Colliers, WV
- Average humidity in September: 79%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in September
Colliers, WV
- Average rainfall in September: 61mm
The wettest month (with the highest rainfall) is May (81mm).
The driest month (with the least rainfall) is November (55mm).
Average rainfall days in September
Colliers, WV
- Average rainfall days in September: 14.9 days
The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is February (9.4 days).
Average snowfall in September
Colliers, WV
- Average snowfall in September: 0mm
The month with the highest snowfall is January (127mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Colliers, WV
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Colliers, WV
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 8h and 1min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in September
Colliers, WV
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is November (15.5 days).
The months with the least sunshine days are January and May (8.8 days).
Average UV index in September
Colliers, WV
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Colliers, WV
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Colliers, WV
- Average visibility in September: 8km
The months with the highest visibility are April and November (9km).
The months with the lowest visibility are January and February (7km).
Colliers, West Virginia, USA
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