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
The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's moderately hot 79.7°F (26.5°C) to an agreeable 71.1°F (21.7°C). From the height of daytime heat, the temperature recedes to an average of 45.3°F (7.4°C) at night during September.Humidity
The average relative humidity in September is 46%.Rainfall
In Wales, in September, during 8.4 rainfall days, 0.71" (18mm) of precipitation is typically accumulated. Throughout the year, in Wales, Utah, there are 79.2 rainfall days, and 10.31" (262mm) of precipitation is accumulated.Snowfall
Months with snowfall in Wales are January through May, September through December. 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 Wales, Utah, there are 53.2 snowfall days, and 31.69" (805mm) of snow is accumulated.Daylight
In Wales, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:55 am and sunset at 7:56 pm. On the last day of September, sunrise is at 7:22 am and sunset at 7:10 pm MDT.
Sunshine
The average sunshine in September is 10.1h.UV index
In September, the average daily maximum UV index in Wales is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In September, a daily UV index of 4 turns into the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the average September temperature in Wales?
What is the average humidity in September in Wales?
How many days does it rain in September in Wales?
When does it start to snow in Wales?
What is the average length of the day in September in Wales?
When is the sunrise / sunset in September in Wales?
How long on average sun shines in September in Wales?
What is the UV index intensity in September in Wales?
Average temperature in September
Wales, 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
Wales, 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
Wales, 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
Wales, 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
Wales, 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
Wales, 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
Wales, 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
Wales, 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
Wales, 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
Wales, 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
Wales, 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
Wales, 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
Wales, 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).
Wales, Utah, USA
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