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
Harrisville observes a minor decrease in the average high-temperature with the arrival of September, falling from August's warm 82°F (27.8°C) to an agreeable 72.7°F (22.6°C). An average minimum temperature of 51.6°F (10.9°C) is recorded in Harrisville during the month of September.Humidity
In September, the average relative humidity in Harrisville is 43%.Rainfall
In September, in Harrisville, Utah, the rain falls for 8.4 days. Throughout September, 1.06" (27mm) of precipitation is accumulated. In Harrisville, during the entire year, the rain falls for 113.4 days and collects up to 15.59" (396mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.2 snowfall days, it receives 0.39" (10mm) of snow. Throughout the year, there are 55.4 snowfall days, and 45.28" (1150mm) of snow is accumulated.Daylight
The average length of the day in September is 12h and 27min.On the first day of September in Harrisville, sunrise is at 6:55 am and sunset at 8:00 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 7:10 pm MDT.
Sunshine
In Harrisville, the average sunshine in September is 9.9h.UV index
The average daily maximum UV index in September in Harrisville is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In September, a regular UV index of 4 translates into these guidelines:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Frequently asked questions
What is the temperature in September in Harrisville?
What is the average humidity in September in Harrisville?
How much does it rain in Harrisville in September?
When does it start to snow in Harrisville?
What is the average length of the day in September in Harrisville?
When are sunrise and sunset in September in Harrisville?
How many hours of sunshine does Harrisville have in September?
What is the UV index intensity in September in Harrisville?
Average temperature in September
Harrisville, UT
- Average high temperature in September: 72.7°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (32.5°F).
- Average low temperature in September: 51.6°F
The month with the highest average low temperature is July (59.5°F).
The coldest month (with the lowest average low temperature) is January (19.9°F).
Average pressure in September
Harrisville, UT
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed in September
Harrisville, UT
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is January (4.6mph).
Average humidity in September
Harrisville, UT
- Average humidity in September: 43%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is August (36%).
Average rainfall in September
Harrisville, UT
- Average rainfall in September: 1.06"
The wettest month (with the highest rainfall) is January (1.93").
The driest month (with the least rainfall) is July (0.55").
Average rainfall days in September
Harrisville, UT
- Average rainfall days in September: 8.4 days
The months with the highest number of rainy days are March and April (14.3 days).
The month with the least rainy days is July (6.6 days).
Average snowfall in September
Harrisville, UT
- Average snowfall in September: 0.39"
The month with the highest snowfall is January (12.28").
The months with the least snowfall are June, July and August (0").
Average snowfall days in September
Harrisville, UT
- Average snowfall days in September: 0.2 days
The months with the highest number of snowfall days are January and February (12.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Harrisville, 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: 9h and 5min
The months with the most sunshine are June, July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in September
Harrisville, UT
- Average sunshine days in September: 17.6 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is February (11.7 days).
Average UV index in September
Harrisville, UT
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Harrisville, UT
- Average cloud cover in September: 13
The months with the most cloud cover are January and February (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in September
Harrisville, 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 month with the lowest visibility is January (4mi).
Harrisville, Utah, USA
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