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 signifies a gentle decline in Park City's average high-temperature, easing from a warm 79.3°F (26.3°C) in August to an agreeable 70.5°F (21.4°C). Park City encounters a significant temperature differential, with an average low-temperature of 43.3°F (6.3°C) during September nights.Humidity
In September, the average relative humidity is 48%.Rainfall
September is the month with the least rainfall. Rain falls for 5.5 days and accumulates 0.28" (7mm) of precipitation.Snowfall
January through June, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.8 snowfall days, it receives 0.28" (7mm) of snow. Throughout the year, there are 83.1 snowfall days, and 35.71" (907mm) of snow is accumulated.Daylight
In September, the average length of the day is 12h and 27min.On the first day of September, sunrise is at 6:53 am and sunset at 7:57 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 7:09 pm MDT.
Sunshine
In September, the average sunshine is 10.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Opt for tightly woven and loose clothing to enhance protection from the Sun. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When does it start to snow?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Park City have in September?
How high is the UV index in September?
Average temperature in September
Park City, UT
- Average high temperature in September: 70.5°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is December (28.6°F).
- Average low temperature in September: 43.3°F
The month with the highest average low temperature is July (51.4°F).
The coldest month (with the lowest average low temperature) is January (10.8°F).
Average pressure in September
Park City, 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 (29.87"Hg).
Average wind speed in September
Park City, UT
- Average wind speed in September: 5.5mph
The windiest months (with the highest average wind speed) are April and June (5.8mph).
The calmest month (with the lowest average wind speed) is January (4.7mph).
Average humidity in September
Park City, UT
- Average humidity in September: 48%
The month with the highest relative humidity is January (88%).
The months with the lowest relative humidity are July and August (43%).
Average rainfall in September
Park City, UT
- Average rainfall in September: 0.28"
The wettest months (with the highest rainfall) are February and May (0.83").
The driest month (with the least rainfall) is September (0.28").
Average rainfall days in September
Park City, UT
- Average rainfall days in September: 5.5 days
The month with the highest number of rainy days is May (9.8 days).
The month with the least rainy days is November (4.4 days).
Average snowfall in September
Park City, UT
- Average snowfall in September: 0.28"
The month with the highest snowfall is February (6.81").
The months with the least snowfall are July and August (0").
Average snowfall days in September
Park City, UT
- Average snowfall days in September: 0.8 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
Park City, 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 1min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in September
Park City, UT
- Average sunshine days in September: 20.1 days
The month with the most sunshine days is June (22.5 days).
The month with the least sunshine days is February (12.6 days).
Average UV index in September
Park City, UT
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Park City, UT
- Average cloud cover in September: 13
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in September
Park City, UT
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).
Park City, Utah, USA
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