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 transition into September subtly indicates a reduction in the average high-temperature, down to an agreeable 68.9°F (20.5°C) from August's warm 76.1°F (24.5°C). Nighttime temperatures in September average to a cool 50°F (10°C) in Arpin.Humidity
In September, the average relative humidity is 80%.Rainfall
In Arpin, in September, it is raining for 12.4 days, with typically 1.77" (45mm) of accumulated precipitation. In Arpin, during the entire year, the rain falls for 138.3 days and collects up to 25.12" (638mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 30min.On the first day of the month, sunrise is at 6:23 am and sunset at 7:36 pm. On the last day of September, sunrise is at 6:57 am and sunset at 6:42 pm CDT.
Sunshine
In September, the average sunshine is 8.5h.UV index
In Arpin, Wisconsin, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 3 during September translates into the following recommendations:
Preventative actions are necessary - Recommendations to ward off sunburn are given. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Frequently asked questions
What are the temperatures in Arpin in September?
What is the average humidity in September in Arpin?
How much does it rain in Arpin in September?
When it does not snow in Arpin?
Does it snow in Arpin in September?
How many hours of daylight does Arpin have in September?
When are sunrise and sunset in September in Arpin?
How many hours of sunshine does Arpin have in September?
What is the UV index intensity in September in Arpin?
Average temperature in September
Arpin, WI
- Average high temperature in September: 68.9°F
The warmest month (with the highest average high temperature) is July (77.2°F).
The month with the lowest average high temperature is January (19.6°F).
- Average low temperature in September: 50°F
The month with the highest average low temperature is July (59.7°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).
Average pressure in September
Arpin, WI
- Average pressure in September: 30.02"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Arpin, WI
- Average wind speed in September: 7.8mph
The windiest month (with the highest average wind speed) is April (9.9mph).
The calmest months (with the lowest average wind speed) are July and August (7mph).
Average humidity in September
Arpin, WI
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (91%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Arpin, WI
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is June (3.39").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in September
Arpin, WI
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in September
Arpin, WI
- Average snowfall in September: 0"
The month with the highest snowfall is February (7.05").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Arpin, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Arpin, WI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Arpin, WI
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is September (15.9 days).
The month with the least sunshine days is June (10.1 days).
Average UV index in September
Arpin, WI
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Arpin, WI
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 70).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in September
Arpin, WI
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, July and December (5mi).
Arpin, Wisconsin, USA
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