September weather forecast
Provo, UT

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A clear paved path leads up to the City Centre Temple in the town of Provo, Utah
A clear paved path leads up to the City Centre Temple in the town of Provo, Utah

Weather in September

The transition from summer to autumn unfolds in September in Provo, Utah. With temperatures gradually decreasing, the city starts to offer respite from the high summer heat. Rainfall increases to 0.71" (18mm), offering an early indication of the wetter months ahead. Despite this, the relatively low cloud cover in September encourages residents to enjoy the outdoor landscapes with captivating fall foliage views.

Temperature

The average high-temperature in Provo slightly decreases in September, shifting from a warm 82.2°F (27.9°C) in August to a still moderately hot 74.1°F (23.4°C). Despite high daytime temperatures, the average temperature in Provo, Utah, lowers to a frosty 48.9°F (9.4°C) during September nights.

Humidity

In September, the average relative humidity in Provo, Utah, is 43%.

Rainfall

In Provo, in September, it is raining for 7.7 days, with typically 0.71" (18mm) of accumulated precipitation. In Provo, during the entire year, the rain falls for 108.8 days and collects up to 12.48" (317mm) of precipitation.

Snowfall

June through September are months without snowfall in Provo.

Daylight

In Provo, Utah, the average length of the day in September is 12h and 26min.
On the first day of September in Provo, sunrise is at 6:54 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 Provo, the average sunshine in September is 10.1h.

UV index

In September, the average daily maximum UV index in Provo is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 4 in September translates into this advice:
Exercise prevention - Precautions against solar damage are endorsed. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
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Frequently asked questions

What is the average September temperature in Provo?

The high-temperature in Provo during September is 74.1°F (23.4°C) and the low-temperature is 48.9°F (9.4°C). The average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in August is estimated at 82.4°F (28°C).

What is the average humidity in September in Provo?

In Provo, the average relative humidity in September is 43%.

How many days does it rain in September in Provo?

In Provo, during September, the rain falls for 7.7 days and regularly aggregates up to 0.71" (18mm) of precipitation.

When it does not snow in Provo?

In Provo, Utah, snow does not fall in June through September.

Does it snow in Provo in September?

In Provo, Utah, in September, it doesn't snow. In October, it regularly snows.

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

In September, the average day length is 12h and 26min.

What time are sunrise and sunset in September in Provo?

In September, on the first day of the month, sunrise is at 6:54 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.

How many hours of sunshine does Provo have in September?

The average sunshine duration in September in Provo is 10.1h.

How high is the UV index in September in Provo?

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Provo, UT

Average temperature in September - Provo, UT
  • Average high temperature in September: 74.1°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (32.2°F).

  • Average low temperature in September: 48.9°F

The month with the highest average low temperature is July (58.5°F).
The coldest month (with the lowest average low temperature) is January (15.3°F).

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Average pressure in September
Provo, UT

Average pressure in September - Provo, 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 (29.86"Hg).

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Average wind speed in September
Provo, UT

Average wind speed in September - Provo, UT
  • Average wind speed in September: 5.5mph

The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest month (with the lowest average wind speed) is January (4.4mph).

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Average humidity in September
Provo, UT

Average humidity in September - Provo, UT
  • Average humidity in September: 43%

The month with the highest relative humidity is January (85%).
The months with the lowest relative humidity are June and July (40%).

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Average rainfall in September
Provo, UT

Average rainfall in September - Provo, UT
  • Average rainfall in September: 0.71"

The wettest month (with the highest rainfall) is December (1.73").
The driest month (with the least rainfall) is August (0.51").

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Average rainfall days in September
Provo, UT

Average rainfall days in September - Provo, UT
  • Average rainfall days in September: 7.7 days

The months with the highest number of rainy days are March and April (12.3 days).
The month with the least rainy days is June (5.8 days).

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Average snowfall in September
Provo, UT

Average snowfall in September - Provo, UT
  • Average snowfall in September: 0"

The months with the highest snowfall are January and December (8.27").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Provo, UT

Average snowfall days in September - Provo, UT
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is December (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Provo, 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 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 36min).

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Average sunshine days in September
Provo, UT

Average sunshine days in September - Provo, UT
  • Average sunshine days in September: 18.9 days

The month with the most sunshine days is June (21.6 days).
The month with the least sunshine days is February (13.7 days).

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Average UV index in September
Provo, UT

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

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

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Average cloud cover in September
Provo, UT

Average cloud cover in September - Provo, UT
  • Average cloud cover in September: 11

The month with the most cloud cover is February (Cloud cover 40).
The month with the least cloud cover is August (Cloud cover 9).

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Average visibility in September
Provo, UT

Average visibility in September - Provo, 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).

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Provo, Utah, USA

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