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
In the transition to September, Wellsville observes a drop in the average high-temperature, moving from a warm 81.1°F (27.3°C) in August to an agreeable 71.4°F (21.9°C). Wellsville marks a considerable descent from the daytime apex, as the average temperature dips to a frosty 47.7°F (8.7°C) at night throughout September.Humidity
In Wellsville, the average relative humidity in September is 45%.Rainfall
In September, in Wellsville, the rain falls for 7.8 days. Throughout September, 0.75" (19mm) of precipitation is accumulated. Throughout the year, there are 122.8 rainfall days, and 16.89" (429mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Wellsville. September is the first month it typically snows in Wellsville. Throughout September, in the average 0.1 snowfall days, it receives 0.31" (8mm) of snow. Throughout the year, there are 77.8 snowfall days, and 58.86" (1495mm) of snow is accumulated.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September, sunrise is at 6:54 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:10 pm MDT.
Sunshine
In September, the average sunshine in Wellsville, Utah, is 10h.UV index
In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In September, a regular UV index of 3 translates into these guidelines:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Wellsville?
What is the average humidity in September in Wellsville?
How many days does it rain in September in Wellsville?
When does it start snowing in Wellsville?
How many hours of daylight does Wellsville have in September?
When is the sunrise / sunset in September in Wellsville?
How long on average sun shines in September in Wellsville?
How high is the UV index in September in Wellsville?
Average temperature in September
Wellsville, UT
- Average high temperature in September: 71.4°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The months with the lowest average high temperature are January and December (28.8°F).
- Average low temperature in September: 47.7°F
The month with the highest average low temperature is July (55.4°F).
The coldest month (with the lowest average low temperature) is January (14°F).
Average pressure in September
Wellsville, 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
Wellsville, UT
- Average wind speed in September: 5.4mph
The windiest months (with the highest average wind speed) are April and June (5.8mph).
The calmest month (with the lowest average wind speed) is January (4mph).
Average humidity in September
Wellsville, UT
- Average humidity in September: 45%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (38%).
Average rainfall in September
Wellsville, UT
- Average rainfall in September: 0.75"
The wettest month (with the highest rainfall) is January (2.36").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in September
Wellsville, UT
- Average rainfall days in September: 7.8 days
The month with the highest number of rainy days is April (16.1 days).
The month with the least rainy days is August (6 days).
Average snowfall in September
Wellsville, UT
- Average snowfall in September: 0.31"
The month with the highest snowfall is January (16.18").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Wellsville, UT
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (17.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Wellsville, UT
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 10h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in September
Wellsville, UT
- Average sunshine days in September: 20.3 days
The month with the most sunshine days is June (21.6 days).
The month with the least sunshine days is February (7.8 days).
Average UV index in September
Wellsville, UT
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Wellsville, UT
- Average cloud cover in September: 14
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in September
Wellsville, UT
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
Wellsville, Utah, USA
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