September weather forecast
Fountain Green, UT

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Weather in September

September, the first month of the autumn in Fountain Green, is still a pleasant month, with an average temperature ranging between min 45.3°F (7.4°C) and max 71.1°F (21.7°C).

Temperature

During the shift to September, Fountain Green records a mild decrease in average high-temperature, moving from a warm 79.7°F (26.5°C) in August to an agreeable 71.1°F (21.7°C). Despite considerable daily temperature swings, a steady low-temperature average of 45.3°F (7.4°C) is noted throughout September.

Humidity

In September, the average relative humidity is 46%.

Rainfall

In Fountain Green, in September, it is raining for 8.4 days, with typically 0.71" (18mm) of accumulated precipitation. Throughout the year, there are 79.2 rainfall days, and 10.31" (262mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall in Fountain Green. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, in Fountain Green, there are 53.2 snowfall days, and 31.69" (805mm) of snow is accumulated.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of September, sunrise is at 6:55 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 Fountain Green, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, an average UV index of 4 transforms into the following instructions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Updated: Aug 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are September temperatures?

In September, the average high-temperature and low-temperature are 71.1°F (21.7°C) and 45.3°F (7.4°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, in July is computed to be 80.6°F (27°C).

What is the average humidity in September in Fountain Green?

In September, the average relative humidity is 46%.

How much does it rain in September?

In Fountain Green, in September, it is raining for 8.4 days, with typically 0.71" (18mm) of accumulated precipitation.

When does it start snowing?

September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.08" (2mm) of snow.

What is the average length of the day in September?

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

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:55 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 long on average sun shines in September?

The average sunshine duration in September is 10.1h.

What is the UV index intensity in September?

In September, the average daily maximum UV index is 4. A UV Index reading 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
Fountain Green, UT

Average temperature in September - Fountain Green, UT
  • Average high temperature in September: 71.1°F

The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is December (31.3°F).

  • Average low temperature in September: 45.3°F

The month with the highest average low temperature is July (53.2°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).

Average pressure in September
Fountain Green, UT

Average pressure in September - Fountain Green, UT
  • Average pressure in September: 29.94"Hg

The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed in September
Fountain Green, UT

Average wind speed in September - Fountain Green, UT
  • Average wind speed in September: 5.3mph

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 (4.7mph).

Average humidity in September
Fountain Green, UT

Average humidity in September - Fountain Green, UT
  • Average humidity in September: 46%

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

Average rainfall in September
Fountain Green, UT

Average rainfall in September - Fountain Green, UT
  • Average rainfall in September: 0.71"

The wettest month (with the highest rainfall) is July (1.65").
The driest month (with the least rainfall) is June (0.39").

Average rainfall days in September
Fountain Green, UT

Average rainfall days in September - Fountain Green, UT
  • Average rainfall days in September: 8.4 days

The month with the highest number of rainy days is July (11.4 days).
The month with the least rainy days is December (3.3 days).

Average snowfall in September
Fountain Green, UT

Average snowfall in September - Fountain Green, UT
  • Average snowfall in September: 0.08"

The month with the highest snowfall is December (6.46").
The months with the least snowfall are June, July and August (0").

Average snowfall days in September
Fountain Green, UT

Average snowfall days in September - Fountain Green, UT
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is December (11.5 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in September /
Average sunshine in September
Fountain Green, UT

Average daylight in September / Average sunshine in September - Fountain Green, 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: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

Average sunshine days in September
Fountain Green, UT

Average sunshine days in September - Fountain Green, UT
  • Average sunshine days in September: 19.6 days

The month with the most sunshine days is October (23.3 days).
The month with the least sunshine days is July (15.5 days).

Average UV index in September
Fountain Green, UT

Average UV index in September - Fountain Green, UT
  • Average UV index in September: 4

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, April, October, November and December (UV index 2).

Average cloud cover in September
Fountain Green, UT

Average cloud cover in September - Fountain Green, UT
  • Average cloud cover in September: 12

The month with the most cloud cover is February (Cloud cover 46).
The months with the least cloud cover are August and September (Cloud cover 12).

Average visibility in September
Fountain Green, UT

Average visibility in September - Fountain Green, 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 months with the lowest visibility are January, February and December (4mi).

Fountain Green, Utah, USA

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