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
Collinston's September weather features a mild decline in high-temperatures, reducing from a warm 84.9°F (29.4°C) in August to a still moderately hot 74.3°F (23.5°C). Collinston experiences a significant reduction from daytime highs with an average low-temperature of 51.3°F (10.7°C) in September.Humidity
In September, the average relative humidity in Collinston is 41%.Rainfall
In Collinston, Utah, in September, it is raining for 8.3 days, with typically 0.91" (23mm) of accumulated precipitation. In Collinston, during the entire year, the rain falls for 120 days and collects up to 15.43" (392mm) of precipitation.Snowfall
Months with snowfall in Collinston, Utah, are January through May, September through December. September is the first month it typically snows in Collinston, Utah. Throughout September, in the average 0.1 snowfall days, it receives 0.39" (10mm) of snow. In Collinston, during the entire year, snow falls for 61.2 days and aggregates up to 42.91" (1090mm) of snow.Daylight
In Collinston, the average length of the day in September is 12h and 28min.On the first day of September in Collinston, sunrise is at 6:55 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:11 pm MDT.
Sunshine
In September, the average sunshine is 9.9h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 4 translates into these guidelines:
Ensure safety - Sun damage prevention is strongly urged. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
What are the temperatures in Collinston in September?
What is the average humidity in September in Collinston?
How much does it rain in Collinston in September?
When does it start snowing in Collinston?
What is the average length of the day in September in Collinston?
What time are sunrise and sunset in September in Collinston?
How many hours of sunshine does Collinston have in September?
What is the UV index reading in September in Collinston?
Average temperature in September
Collinston, UT
- Average high temperature in September: 74.3°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (30.9°F).
- Average low temperature in September: 51.3°F
The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in September
Collinston, UT
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Collinston, UT
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is January (4.2mph).
Average humidity in September
Collinston, UT
- Average humidity in September: 41%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (34%).
Average rainfall in September
Collinston, UT
- Average rainfall in September: 0.91"
The wettest month (with the highest rainfall) is February (2.05").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in September
Collinston, UT
- Average rainfall days in September: 8.3 days
The month with the highest number of rainy days is April (15.1 days).
The month with the least rainy days is July (5.5 days).
Average snowfall in September
Collinston, UT
- Average snowfall in September: 0.39"
The month with the highest snowfall is January (13.03").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Collinston, UT
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Collinston, UT
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 9h and 5min
The months with the most sunshine are June, July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in September
Collinston, UT
- Average sunshine days in September: 19 days
The month with the most sunshine days is July (21.6 days).
The month with the least sunshine days is February (10.1 days).
Average UV index in September
Collinston, UT
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Collinston, UT
- Average cloud cover in September: 14
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in September
Collinston, UT
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is January (4mi).
Collinston, Utah, USA
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