September weather forecast
Clearfield, UT

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Weather in September

The onset of September signals the end of summer and the beginning of autumn in Clearfield, bringing a significant change in weather from August. The cooling trend commences with temperatures gradually decreasing over the month, providing residents with relief from the summer's heat. The number of sunshine hours reduces as well, indicating shorter days. The first traces of autumn in September bring a pleasant transition from the intense summer months.

Temperature

With the beginning of September, the average high-temperature in Clearfield shows a small decrease, transitioning from a warm 81.1°F (27.3°C) in August to an agreeable 72.5°F (22.5°C). Clearfield throughout September, experiences an average nighttime temperature of 52.7°F (11.5°C).

Humidity

In September, the average relative humidity is 44%.

Rainfall

In September, the rain falls for 7.3 days. Throughout September, 0.91" (23mm) of precipitation is accumulated. Throughout the year, there are 98.9 rainfall days, and 13.58" (345mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Clearfield, Utah, are January through May, September through December. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.31" (8mm) of snow. In Clearfield, during the entire year, snow falls for 54.4 days and aggregates up to 44.84" (1139mm) of snow.

Daylight

In September, the average length of the day in Clearfield is 12h and 27min.
On the first day of September, sunrise is at 6:55 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:11 pm MDT.

Sunshine

In Clearfield, the average sunshine in September is 9.9h.

UV index

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: A maximum daily UV index of 4 during September morphs into the following directions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. To cut down UV radiation exposure by about half, sport a wide-brim hat. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.

Frequently asked questions

What are the temperatures in Clearfield in September?

In September, the average high-temperature and low-temperature are 72.5°F (22.5°C) and 52.7°F (11.5°C) respectively.

What is the average humidity in September in Clearfield?

In September, the average relative humidity in Clearfield, Utah, is 44%.

How much does it rain in Clearfield in September?

In September, in Clearfield, Utah, the rain falls for 7.3 days. Throughout September, 0.91" (23mm) of precipitation is accumulated.

When does it start to snow in Clearfield?

September is the first month it typically snows in Clearfield. Throughout September, in the average 0.1 snowfall days, it receives 0.31" (8mm) of snow.

What is the average length of the day in September in Clearfield?

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

What time are sunrise and sunset in September in Clearfield?

In September, on the first day of the month, sunrise is at 6:55 am and sunset at 8:00 pm. On the last day of the month, in Clearfield, sunrise is at 7:24 am and sunset at 7:11 pm MDT.

How long on average sun shines in September in Clearfield?

In Clearfield, the average sunshine duration in September is 9.9h.

What is the UV index intensity in September in Clearfield?

The average daily maximum UV index in September in Clearfield is 4. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Clearfield, UT

Average temperature in September - Clearfield, UT
  • Average high temperature in September: 72.5°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in September: 52.7°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).

Average pressure in September
Clearfield, UT

Average pressure in September - Clearfield, UT
  • Average pressure in September: 29.95"Hg

The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

Average wind speed in September
Clearfield, UT

Average wind speed in September - Clearfield, UT
  • Average wind speed in September: 5.9mph

The windiest months (with the highest average wind speed) are March and April (6.5mph).
The calmest month (with the lowest average wind speed) is January (5mph).

Average humidity in September
Clearfield, UT

Average humidity in September - Clearfield, UT
  • Average humidity in September: 44%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is July (38%).

Average rainfall in September
Clearfield, UT

Average rainfall in September - Clearfield, UT
  • Average rainfall in September: 0.91"

The wettest months (with the highest rainfall) are January and February (1.61").
The driest months (with the least rainfall) are July and August (0.43").

Average rainfall days in September
Clearfield, UT

Average rainfall days in September - Clearfield, UT
  • Average rainfall days in September: 7.3 days

The month with the highest number of rainy days is April (12.3 days).
The month with the least rainy days is January (5.5 days).

Average snowfall in September
Clearfield, UT

Average snowfall in September - Clearfield, UT
  • Average snowfall in September: 0.31"

The month with the highest snowfall is January (11.02").
The months with the least snowfall are June, July and August (0").

Average snowfall days in September
Clearfield, UT

Average snowfall days in September - Clearfield, UT
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in September /
Average sunshine in September
Clearfield, UT

Average daylight in September / Average sunshine in September - Clearfield, 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 18min).

  • Average sunshine in September: 9h and 5min

The months with the most sunshine are 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
Clearfield, UT

Average sunshine days in September - Clearfield, UT
  • Average sunshine days in September: 19.1 days

The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is February (12.7 days).

Average UV index in September
Clearfield, UT

Average UV index in September - Clearfield, UT
  • Average UV index in September: 4

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in September
Clearfield, UT

Average cloud cover in September - Clearfield, UT
  • Average cloud cover in September: 13

The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 10).

Average visibility in September
Clearfield, UT

Average visibility in September - Clearfield, UT
  • Average visibility in September: 6mi

The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).

Clearfield, Utah, USA

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