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
Transition into September marks a drop in the average high-temperature, moving from 84.6°F (29.2°C) in August to a still warm 75.6°F (24.2°C). Parley records a marked divergence from the day's high temperatures, with nights in September averaging at a cool 50.2°F (10.1°C).Humidity
In Parley, the average relative humidity in September is 40%.Rainfall
In Parley, in September, it is raining for 7.4 days, with typically 0.59" (15mm) of accumulated precipitation. Throughout the year, there are 99.7 rainfall days, and 11.61" (295mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Parley.Daylight
In September, the average length of the day is 12h and 26min.On the first day of the month, sunrise is at 6:57 am and sunset at 7:59 pm. On the last day of September, sunrise is at 7:24 am and sunset at 7:12 pm MDT.
Sunshine
The average sunshine in September is 10.1h.UV index
In Parley, Utah, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The daily high UV index of 4 during September translates into the following recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Parley have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Parley, UT
- Average high temperature in September: 75.6°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (33.4°F).
- Average low temperature in September: 50.2°F
The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in September
Parley, UT
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is January (30.26"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).
Average wind speed in September
Parley, UT
- Average wind speed in September: 5.7mph
The windiest months (with the highest average wind speed) are April and June (6.5mph).
The calmest month (with the lowest average wind speed) is January (4.3mph).
Average humidity in September
Parley, UT
- Average humidity in September: 40%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is June (34%).
Average rainfall in September
Parley, UT
- Average rainfall in September: 0.59"
The wettest month (with the highest rainfall) is March (1.57").
The driest month (with the least rainfall) is June (0.43").
Average rainfall days in September
Parley, UT
- Average rainfall days in September: 7.4 days
The month with the highest number of rainy days is April (11.7 days).
The month with the least rainy days is June (5.3 days).
Average snowfall in September
Parley, UT
- Average snowfall in September: 0"
The month with the highest snowfall is January (8.9").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Parley, UT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (12.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Parley, UT
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 10h and 1min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in September
Parley, UT
- Average sunshine days in September: 18.4 days
The month with the most sunshine days is June (22 days).
The month with the least sunshine days is February (13.9 days).
Average UV index in September
Parley, UT
- Average UV index in September: 4
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
Parley, UT
- Average cloud cover in September: 10
The months with the most cloud cover are January and December (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in September
Parley, 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).
Parley, Utah, USA
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