Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
In Farmington, entering September brings a subtle temperature decrement, reducing from August's moderately hot 81.1°F (27.3°C) to a pleasant 72.3°F (22.4°C). During September, Farmington's temperature falls to a steady low-temperature average of 50.9°F (10.5°C).Humidity
The average relative humidity in September is 45%.Rainfall
In Farmington, during September, the rain falls for 5.5 days and regularly aggregates up to 0.63" (16mm) of precipitation. In Farmington, Utah, during the entire year, the rain falls for 96.6 days and collects up to 14.02" (356mm) of precipitation.Snowfall
In Farmington, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 27min.On the first day of September, sunrise is at 6:55 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 7:10 pm MDT.
Sunshine
In Farmington, the average sunshine in September is 10.1h.UV index
In Farmington, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 4 in September translates into this advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Farmington, UT
- Average high temperature in September: 72.3°F
The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in September: 50.9°F
The month with the highest average low temperature is July (59.2°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in September
Farmington, 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 (29.87"Hg).
Average wind speed in September
Farmington, UT
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is March (6.3mph).
The calmest month (with the lowest average wind speed) is January (4.8mph).
Average humidity in September
Farmington, UT
- Average humidity in September: 45%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are July and August (39%).
Average rainfall in September
Farmington, UT
- Average rainfall in September: 0.63"
The wettest month (with the highest rainfall) is February (2.13").
The driest month (with the least rainfall) is August (0.16").
Average rainfall days in September
Farmington, UT
- Average rainfall days in September: 5.5 days
The month with the highest number of rainy days is March (12.8 days).
The month with the least rainy days is August (3.3 days).
Average snowfall in September
Farmington, UT
- Average snowfall in September: 0"
The month with the highest snowfall is January (11.22").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Farmington, UT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Farmington, 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: 10h and 1min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in September
Farmington, UT
- Average sunshine days in September: 22.7 days
The month with the most sunshine days is August (25.8 days).
The month with the least sunshine days is February (11.4 days).
Average UV index in September
Farmington, 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).
Average cloud cover in September
Farmington, UT
- Average cloud cover in September: 12
The months with the most cloud cover are January and February (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in September
Farmington, 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).
Farmington, Utah, USA
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