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's arrival corresponds with a decrease in average high-temperatures, from August's 83.7°F (28.7°C) to a still moderately hot 73.9°F (23.3°C). Throughout September, Perry acknowledges a distinct difference between its daytime highs and the steady low average of 50.4°F (10.2°C).Humidity
In September, the average relative humidity is 42%.Rainfall
In Perry, in September, during 9.2 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. In Perry, during the entire year, the rain falls for 92.7 days and collects up to 15.39" (391mm) of precipitation.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 0.4 snowfall days, it receives 0.71" (18mm) of snow. Throughout the year, there are 79.8 snowfall days, and 68.94" (1751mm) of snow is accumulated.Daylight
The average length of the day in September in Perry is 12h and 28min.On the first day of the month, sunrise is at 6:55 am and sunset at 8:00 pm. On the last day of September, sunrise is at 7:24 am and sunset at 7:10 pm MDT.
Sunshine
The average sunshine in September in Perry is 9.8h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: An average maximum UV index of 4 in September leads to these recommendations:
Adopt protective measures - It is advised to guard against sun damage. To guard against the harmful effects of the Sun, minimize exposure during midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Perry?
What is the average humidity in September in Perry?
How many days does it rain in September in Perry?
When does it start to snow in Perry?
How many hours of daylight does Perry have in September?
What time are sunrise and sunset in September in Perry?
How long on average sun shines in September in Perry?
What is the UV index reading in September in Perry?
Average temperature in September
Perry, UT
- Average high temperature in September: 73.9°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is December (31.1°F).
- Average low temperature in September: 50.4°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (17.8°F).
Average pressure in September
Perry, 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
Perry, UT
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is January (4.4mph).
Average humidity in September
Perry, UT
- Average humidity in September: 42%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (35%).
Average rainfall in September
Perry, UT
- Average rainfall in September: 1.1"
The wettest month (with the highest rainfall) is January (1.85").
The driest month (with the least rainfall) is July (0.51").
Average rainfall days in September
Perry, UT
- Average rainfall days in September: 9.2 days
The month with the highest number of rainy days is May (12.1 days).
The month with the least rainy days is January (3.7 days).
Average snowfall in September
Perry, UT
- Average snowfall in September: 0.71"
The month with the highest snowfall is January (15.63").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Perry, UT
- Average snowfall days in September: 0.4 days
The month with the highest number of snowfall days is February (16.2 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Perry, 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: 9h and 5min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in September
Perry, UT
- Average sunshine days in September: 18 days
The month with the most sunshine days is October (20.7 days).
The month with the least sunshine days is February (10.8 days).
Average UV index in September
Perry, UT
- 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 January (UV index 1).
Average cloud cover in September
Perry, UT
- Average cloud cover in September: 15
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in September
Perry, 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 months with the lowest visibility are January and February (4mi).
Perry, Utah, USA
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