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
Hooper in September demonstrates a small temperature transition, adjusting from an average high of a moderately hot 81.9°F (27.7°C) in August to a pleasant 72.5°F (22.5°C). In September, the recorded average low-temperature is a fresh 52.7°F (11.5°C).Humidity
In Hooper, the average relative humidity in September is 44%.Rainfall
In Hooper, during September, the rain falls for 7.5 days and regularly aggregates up to 0.98" (25mm) of precipitation. Throughout the year, in Hooper, there are 91.6 rainfall days, and 11.06" (281mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.39" (10mm) of snow. Throughout the year, there are 37.8 snowfall days, and 24.76" (629mm) of snow is accumulated.Daylight
In Hooper, the average length of the day in September is 12h and 27min.On the first day of September in Hooper, Utah, sunrise is at 6:55 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:11 pm MDT.
Sunshine
In Hooper, Utah, the average sunshine in September is 9.9h.UV index
In Hooper, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A daily maximum UV index of 5 in September translates into the following instructions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How much does it rain in September?
When does it start to snow?
What is the average length of the day in September in Hooper?
When is the sunrise / sunset in September?
How many hours of sunshine does Hooper have in September?
What is the UV index intensity in September?
Average temperature in September
Hooper, UT
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).
Average pressure in September
Hooper, UT
- Average pressure in September: 29.95"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
Hooper, UT
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is January (4.8mph).
Average humidity in September
Hooper, UT
- Average humidity in September: 44%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is July (37%).
Average rainfall in September
Hooper, UT
- Average rainfall in September: 0.98"
The wettest month (with the highest rainfall) is April (1.26").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in September
Hooper, UT
- Average rainfall days in September: 7.5 days
The month with the highest number of rainy days is May (12.5 days).
The month with the least rainy days is January (4.6 days).
Average snowfall in September
Hooper, UT
- Average snowfall in September: 0.39"
The month with the highest snowfall is January (6.89").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Hooper, UT
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Hooper, 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 18min).
- 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 36min).
Average sunshine days in September
Hooper, UT
- Average sunshine days in September: 18.8 days
The months with the most sunshine days are October and November (21.6 days).
The month with the least sunshine days is April (14.7 days).
Average UV index in September
Hooper, UT
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Hooper, UT
- Average cloud cover in September: 13
The months with the most cloud cover are January and February (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in September
Hooper, UT
- Average visibility in September: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Hooper, Utah, USA
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