September weather forecast
Park City, UT

A beautiful sunny winter morning in Park City, Utah
A beautiful sunny winter morning in Park City, Utah

Weather in September

September, the first month of the autumn in Park City, is also an agreeable month, with an average temperature fluctuating between 43.3°F (6.3°C) and 70.5°F (21.4°C).

Temperature

In Park City, the average high-temperature in September slightly decreases from a moderately hot 79.3°F (26.3°C) in August to an agreeable 70.5°F (21.4°C). In September, the average low-temperature is 43.3°F (6.3°C).

Humidity

The average relative humidity in September is 48%.

Rainfall

The month with the least rainfall is September, when the rain falls for 5.5 days and typically collects 0.28" (7mm) of precipitation.

Snowfall

January through June, September through December are months with snowfall in Park City, Utah. September is the first month it typically snows in Park City. Throughout September, in the average 0.8 snowfall days, it receives 0.28" (7mm) of snow. Throughout the year, in Park City, there are 83.1 snowfall days, and 35.71" (907mm) of snow is accumulated.

Daylight

The average length of the day in September in Park City is 12h and 27min.
On the first day of the month, sunrise is at 6:53 am and sunset at 7:58 pm. On the last day of September, sunrise is at 7:21 am and sunset at 7:09 pm MDT.

Sunshine

The average sunshine in September is 10.1h.

UV index

In Park City, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 4 in September interpret into the following advice:
Take precautions - Protection against skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in September in Park City?

In September, the average relative humidity is 48%.

What is the driest month in Park City?

The month with the least rainfall in Park City is September, when the rain falls for 5.5 days and typically collects 0.28" (7mm) of precipitation.

How many days does it rain in September in Park City?

In Park City, in September, it is raining for 5.5 days, with typically 0.28" (7mm) of accumulated precipitation.

When does it start to snow in Park City?

September is the first month it typically snows. Throughout September, in the average 0.8 snowfall days, it receives 0.28" (7mm) of snow.

What is the average length of the day in September in Park City?

In September, the average day length is 12h and 27min.

What time are sunrise and sunset in September in Park City?

On the first day of September in Park City, sunrise is at 6:53 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:21 am and sunset at 7:09 pm MDT.

How many hours of sunshine does Park City have in September?

In Park City, the average sunshine duration in September is 10.1h.

What is the UV index reading in September in Park City?

The average daily maximum UV index in September in Park City, Utah, is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Park City, UT

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).

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Average pressure in September
Park City, UT

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).

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Average wind speed in September
Park City, UT

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).

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Average humidity in September
Park City, UT

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%).

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Average rainfall in September
Park City, UT

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").

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Average rainfall days in September
Park City, UT

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).

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Average snowfall in September
Park City, UT

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").

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Average snowfall days in September
Park City, UT

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).

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Average daylight in September /
Average sunshine in September
Park City, UT

Average daylight in September / Average sunshine in September - Park City, UT
  • Average daylight in September: 12h and 27min

The month with the longest days is June (Average daylight: 15h and 2min).
The month with the shortest days is December (Average daylight: 9h and 19min).

  • Average sunshine in September: 10h and 6min

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).

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Average sunshine days in September
Park City, UT

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).

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Average UV index in September
Park City, UT

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).

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Average cloud cover in September
Park City, UT

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).

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Average visibility in September
Park City, UT

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).

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