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
September marks a gentle change in average high-temperature, declining from August's pleasant 73°F (22.8°C) to an enjoyable 65.1°F (18.4°C). Throughout September nights, a significant departure from daytime temperatures, with an average low of 40.1°F (4.5°C), is recognized.Humidity
In September, the average relative humidity is 51%.Rainfall
In Hanna, in September, it is raining for 9.8 days, with typically 1.06" (27mm) of accumulated precipitation. In Hanna, during the entire year, the rain falls for 87.6 days and collects up to 17.36" (441mm) of precipitation.Snowfall
January through June, September through December are months with snowfall in Hanna. September is the first month it typically snows. Throughout September, in the average 1.5 snowfall days, it receives 0.98" (25mm) of snow. Throughout the year, there are 103.7 snowfall days, and 84.92" (2157mm) of snow is accumulated.Daylight
The average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:51 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 7:06 pm MDT.
Sunshine
In Hanna, the average sunshine in September is 10h.UV index
In Hanna, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Hanna in September?
What is the average humidity in September?
How many days does it rain in September?
When does it start snowing?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Hanna have in September?
What is the UV index reading in September?
Average temperature in September
Hanna, UT
- Average high temperature in September: 65.1°F
The warmest month (with the highest average high temperature) is July (75.2°F).
The month with the lowest average high temperature is December (25.7°F).
- Average low temperature in September: 40.1°F
The month with the highest average low temperature is July (47.8°F).
The coldest month (with the lowest average low temperature) is January (6.6°F).
Average pressure in September
Hanna, UT
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Hanna, UT
- Average wind speed in September: 5.7mph
The windiest months (with the highest average wind speed) are April and June (6.8mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity in September
Hanna, UT
- Average humidity in September: 51%
The months with the highest relative humidity are January and February (89%).
The months with the lowest relative humidity are June, July and August (48%).
Average rainfall in September
Hanna, UT
- Average rainfall in September: 1.06"
The wettest month (with the highest rainfall) is May (1.93").
The driest month (with the least rainfall) is June (0.87").
Average rainfall days in September
Hanna, UT
- Average rainfall days in September: 9.8 days
The month with the highest number of rainy days is August (14 days).
The months with the least rainy days are February and November (2.5 days).
Average snowfall in September
Hanna, UT
- Average snowfall in September: 0.98"
The month with the highest snowfall is December (13.82").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Hanna, UT
- Average snowfall days in September: 1.5 days
The month with the highest number of snowfall days is February (16 days).
The month with the least snowfall days is July (0 days).
Average daylight in September /
Average sunshine in September
Hanna, UT
- 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: 10h and 0min
The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in September
Hanna, UT
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is February (12.4 days).
Average UV index in September
Hanna, UT
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Hanna, UT
- Average cloud cover in September: 15
The month with the most cloud cover is February (Cloud cover 55).
The months with the least cloud cover are June, August and September (Cloud cover 15).
Average visibility in September
Hanna, UT
- Average visibility in September: 6mi
The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (4mi).
Hanna, Utah, USA
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