September weather forecastLynndyl, UT
September
Weather in September
The first month of the autumn, September, is still a warm month in Lynndyl, Utah, with an average temperature fluctuating between 80.2°F (26.8°C) and 59.7°F (15.4°C).Temperature
The transition into September indicates a reduction in the average high-temperature, down to a warm 80.2°F (26.8°C) from August's hot 90°F (32.2°C). Lynndyl records an average low-temperature of 59.7°F (15.4°C) throughout the month of September.Humidity
In Lynndyl, the average relative humidity in September is 30%.Rainfall
In September, the rain falls for 6.3 days. Throughout September, 0.47" (12mm) of precipitation is accumulated. In Lynndyl, during the entire year, the rain falls for 82.6 days and collects up to 7.01" (178mm) of precipitation.Snowfall
In Lynndyl, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 26min.On the first day of September, sunrise is at 6:58 am and sunset at 7:59 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 7:12 pm MDT.
Sunshine
The average sunshine in September is 9.8h.UV index
In September, the average daily maximum UV index in Lynndyl is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: An average UV index of 5 in September transforms into this advice:
Heed the precautions - It is counselled to guard against solar damage. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lynndyl, UT
- Average high temperature in September: 80.2°F
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in September: 59.7°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).
Average pressure in September
Lynndyl, UT
- Average pressure in September: 29.95"Hg
The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is June (29.86"Hg).
Average wind speed in September
Lynndyl, UT
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is June (8.8mph).
The calmest month (with the lowest average wind speed) is January (4.7mph).
Average humidity in September
Lynndyl, UT
- Average humidity in September: 30%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is June (24%).
Average rainfall in September
Lynndyl, UT
- Average rainfall in September: 0.47"
The wettest month (with the highest rainfall) is March (0.91").
The driest month (with the least rainfall) is June (0.24").
Average rainfall days in September
Lynndyl, UT
- Average rainfall days in September: 6.3 days
The month with the highest number of rainy days is April (10 days).
The month with the least rainy days is June (3.9 days).
Average snowfall in September
Lynndyl, UT
- Average snowfall in September: 0"
The month with the highest snowfall is December (3.98").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Lynndyl, UT
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (8.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Lynndyl, UT
- Average daylight in September: 12h and 24min
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: 9h and 48min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 18min).
Average sunshine days in September
Lynndyl, UT
- Average sunshine days in September: 21.3 days
The month with the most sunshine days is June (24.1 days).
The month with the least sunshine days is February (16.3 days).
Average UV index in September
Lynndyl, UT
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Lynndyl, UT
- Average cloud cover in September: 10
The month with the most cloud cover is December (Cloud cover 33).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in September
Lynndyl, 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).
