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 ushers in a slight temperature change, with average high-temperatures reducing from August's warm 83.7°F (28.7°C) to an agreeable 73.2°F (22.9°C). Park Valley sees an average low-temperature of 52.5°F (11.4°C) during September.Humidity
In Park Valley, the average relative humidity in September is 37%.Rainfall
In September, the rain falls for 6.8 days. Throughout September, 0.63" (16mm) of precipitation is accumulated. Throughout the year, there are 106.9 rainfall days, and 11.42" (290mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through June, September through December. September is the first month it typically snows in Park Valley. Throughout September, in the average 0.1 snowfall days, it receives 0.39" (10mm) of snow. Throughout the year, there are 56.6 snowfall days, and 33.74" (857mm) 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 7:00 am and sunset at 8:06 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:16 pm MDT.
Sunshine
In September, the average sunshine is 9.7h.UV index
In Park Valley, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: A maximum UV index of 4 in September translates into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Frequently asked questions
What is the average September temperature in Park Valley?
What is the average humidity in September in Park Valley?
How much does it rain in Park Valley in September?
When does it start to snow in Park Valley?
What is the average length of the day in September in Park Valley?
What time are sunrise and sunset in September in Park Valley?
How long on average sun shines in September in Park Valley?
What is the UV index intensity in September in Park Valley?
Average temperature in September
Park Valley, UT
- Average high temperature in September: 73.2°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is December (30.9°F).
- Average low temperature in September: 52.5°F
The month with the highest average low temperature is July (60.1°F).
The coldest months (with the lowest average low temperature) are January and December (19.8°F).
Average pressure in September
Park Valley, UT
- Average pressure in September: 29.94"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
Park Valley, UT
- Average wind speed in September: 6.4mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in September
Park Valley, UT
- Average humidity in September: 37%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are July and August (32%).
Average rainfall in September
Park Valley, UT
- Average rainfall in September: 0.63"
The wettest month (with the highest rainfall) is March (1.46").
The driest month (with the least rainfall) is August (0.35").
Average rainfall days in September
Park Valley, UT
- Average rainfall days in September: 6.8 days
The month with the highest number of rainy days is April (14.3 days).
The month with the least rainy days is August (5.3 days).
Average snowfall in September
Park Valley, UT
- Average snowfall in September: 0.39"
The month with the highest snowfall is January (9.21").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Park Valley, UT
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is December (14.6 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Park Valley, UT
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 9h and 4min
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
Park Valley, UT
- Average sunshine days in September: 21.4 days
The month with the most sunshine days is August (23 days).
The month with the least sunshine days is April (13 days).
Average UV index in September
Park Valley, 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 December (UV index 1).
Average cloud cover in September
Park Valley, UT
- Average cloud cover in September: 14
The months with the most cloud cover are February and December (Cloud cover 41).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in September
Park Valley, 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, February and December (5mi).
Park Valley, Utah, USA
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