September weather forecastNaples, UT
September
Weather in September
The first month of the autumn, September, is still a warm month in Naples, Utah, with an average temperature varying between 52.9°F (11.6°C) and 74.8°F (23.8°C).Temperature
The shift from August to September includes a small decrease in the average high-temperature, from 83.3°F (28.5°C) to a still moderately hot 74.8°F (23.8°C). Naples records a consistent low-temperature average of 52.9°F (11.6°C) during September, indicating a significant difference from the daytime heat.Humidity
The average relative humidity in September in Naples is 35%.Rainfall
In Naples, in September, during 6.4 rainfall days, 0.43" (11mm) of precipitation is typically accumulated. In Naples, during the entire year, the rain falls for 83.2 days and collects up to 5.75" (146mm) of precipitation.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 6:46 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 7:01 pm MDT.
Sunshine
In September, the average sunshine in Naples, Utah, is 10.9h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 5 translates into these guidelines:
Adopt protective measures - It is advised to guard against sun damage. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Naples, UT
- Average high temperature in September: 74.8°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (30°F).
- Average low temperature in September: 52.9°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).
Average pressure in September
Naples, UT
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Naples, UT
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is June (7.5mph).
The calmest month (with the lowest average wind speed) is January (3.4mph).
Average humidity in September
Naples, UT
- Average humidity in September: 35%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is June (30%).
Average rainfall in September
Naples, UT
- Average rainfall in September: 0.43"
The wettest month (with the highest rainfall) is April (0.71").
The driest month (with the least rainfall) is November (0.31").
Average rainfall days in September
Naples, UT
- Average rainfall days in September: 6.4 days
The month with the highest number of rainy days is April (10.8 days).
The month with the least rainy days is January (5.4 days).
Average snowfall in September
Naples, UT
- Average snowfall in September: 0"
The month with the highest snowfall is December (4.29").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Naples, UT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Naples, UT
- Average daylight in September: 12h and 24min
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 18min).
- Average sunshine in September: 10h and 54min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 30min).
Average sunshine days in September
Naples, UT
- Average sunshine days in September: 20.7 days
The month with the most sunshine days is October (22.4 days).
The month with the least sunshine days is April (15.3 days).
Average UV index in September
Naples, UT
- Average UV index in September: 5
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).
Average cloud cover in September
Naples, UT
- Average cloud cover in September: 11
The month with the most cloud cover is February (Cloud cover 30).
The months with the least cloud cover are August and September (Cloud cover 11).
Average visibility in September
Naples, UT
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January and February (5mi).
