September weather forecast
Mona, UT

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Weather in September

September, the first month of the autumn in Mona, is still a warm month, with an average temperature varying between 50.2°F (10.1°C) and 75.6°F (24.2°C).

Temperature

September implies a gentle temperature shift, with average high-temperatures reducing from August's warm 84.6°F (29.2°C) to a still moderately hot 75.6°F (24.2°C). From significant daily highs, Mona's nights in September cool down to an average low-temperature of 50.2°F (10.1°C).

Humidity

The average relative humidity in September in Mona is 40%.

Rainfall

In Mona, in September, it is raining for 7.4 days, with typically 0.59" (15mm) of accumulated precipitation. Throughout the year, there are 99.7 rainfall days, and 11.61" (295mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of September, sunrise is at 6:56 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 7:10 pm MDT.

Sunshine

The average sunshine in September in Mona is 10.1h.

UV index

In Mona, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 4 during September translates into the following guidance:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
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Frequently asked questions

What is the usual temperature for Mona in September?

The average high-temperature and low-temperature in Mona during September are 75.6°F (24.2°C) and 50.2°F (10.1°C) respectively.

What is the average humidity in September in Mona?

In September, the average relative humidity in Mona, Utah, is 40%.

How many days does it rain in September in Mona?

In Mona, in September, during 7.4 rainfall days, 0.59" (15mm) of precipitation is typically accumulated.

When it does not snow in Mona?

In Mona, snow does not fall in June through September.

Does it snow in Mona in September?

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

How many hours of daylight does Mona have in September?

The average day length in September in Mona, Utah, is 12h and 26min.

When are sunrise and sunset in September in Mona?

In September, on the first day of the month, sunrise is at 6:56 am and sunset at 7:58 pm. On the last day of the month, in Mona, sunrise is at 7:23 am and sunset at 7:10 pm MDT.

How many hours of sunshine does Mona have in September?

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

What is the UV index reading in September in Mona?

In September, the average daily maximum UV index in Mona, Utah, 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
Mona, UT

Average temperature in September - Mona, UT
  • Average high temperature in September: 75.6°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in September: 50.2°F

The month with the highest average low temperature is July (58.3°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

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Average pressure in September
Mona, UT

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

The month with the highest atmospheric pressure is January (30.26"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

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Average wind speed in September
Mona, UT

Average wind speed in September - Mona, UT
  • Average wind speed in September: 5.7mph

The windiest months (with the highest average wind speed) are April and June (6.5mph).
The calmest month (with the lowest average wind speed) is January (4.3mph).

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Average humidity in September
Mona, UT

Average humidity in September - Mona, UT
  • Average humidity in September: 40%

The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is June (34%).

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Average rainfall in September
Mona, UT

Average rainfall in September - Mona, UT
  • Average rainfall in September: 0.59"

The wettest month (with the highest rainfall) is March (1.57").
The driest month (with the least rainfall) is June (0.43").

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Average rainfall days in September
Mona, UT

Average rainfall days in September - Mona, UT
  • Average rainfall days in September: 7.4 days

The month with the highest number of rainy days is April (11.7 days).
The month with the least rainy days is June (5.3 days).

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Average snowfall in September
Mona, UT

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

The month with the highest snowfall is January (8.9").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Mona, UT

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

The month with the highest number of snowfall days is December (12.1 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
Mona, UT

Average daylight in September / Average sunshine in September - Mona, UT
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
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 48min).

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Average sunshine days in September
Mona, UT

Average sunshine days in September - Mona, UT
  • Average sunshine days in September: 18.4 days

The month with the most sunshine days is June (22 days).
The month with the least sunshine days is February (13.9 days).

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Average UV index in September
Mona, UT

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

The months with the highest UV index are June, July and August (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
Mona, UT

Average cloud cover in September - Mona, UT
  • Average cloud cover in September: 10

The months with the most cloud cover are January and December (Cloud cover 37).
The month with the least cloud cover is August (Cloud cover 9).

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Average visibility in September
Mona, UT

Average visibility in September - Mona, 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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Mona, Utah, USA

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