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
As Harrisville enters September, the average high-temperature subtly lowers from the a warm 77.4°F (25.2°C) of August to a pleasant 70.7°F (21.5°C). During the September nights, an average temperature of 51.8°F (11°C) is observed.Humidity
In September, the average relative humidity in Harrisville is 80%.Rainfall
In Harrisville, in September, it is raining for 13.2 days, with typically 2.44" (62mm) of accumulated precipitation. Throughout the year, in Harrisville, there are 146.3 rainfall days, and 29.45" (748mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in Harrisville is 12h and 29min.On the first day of the month, sunrise is at 6:21 am and sunset at 7:32 pm. On the last day of September, in Harrisville, sunrise is at 6:54 am and sunset at 6:39 pm CDT.
Sunshine
In September, the average sunshine in Harrisville is 8.8h.UV index
In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 3 in September translates into these instructions:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
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 it does not snow in Harrisville?
Does it snow in Harrisville in September?
How many hours of daylight does Harrisville have in September?
When is the sunrise / sunset in September in Harrisville?
How many hours of sunshine does Harrisville have in September?
What is the UV index reading in September in Harrisville?
Average temperature in September
Harrisville, WI
- Average high temperature in September: 70.7°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (22.3°F).
- Average low temperature in September: 51.8°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (10.4°F).
Average pressure in September
Harrisville, WI
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Harrisville, WI
- Average wind speed in September: 7.6mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (6.7mph).
Average humidity in September
Harrisville, WI
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Harrisville, WI
- Average rainfall in September: 2.44"
The wettest month (with the highest rainfall) is June (3.94").
The driest month (with the least rainfall) is January (1.22").
Average rainfall days in September
Harrisville, WI
- Average rainfall days in September: 13.2 days
The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is February (4.1 days).
Average snowfall in September
Harrisville, WI
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.42").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Harrisville, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Harrisville, WI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in September
Harrisville, WI
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is October (15.3 days).
The month with the least sunshine days is June (8.6 days).
Average UV index in September
Harrisville, WI
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Harrisville, WI
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Harrisville, WI
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, July and December (5mi).
Harrisville, Wisconsin, USA
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