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
September signifies a gentle decline in Arbor Vitae's average high-temperature, easing from a moderately hot 74.8°F (23.8°C) in August to an enjoyable 66.9°F (19.4°C). During September, Arbor Vitae witnesses a consistent average low-temperature of 48.4°F (9.1°C).Humidity
The average relative humidity in September is 80%.Rainfall
In Arbor Vitae, in September, during 12.7 rainfall days, 1.22" (31mm) of precipitation is typically accumulated. Throughout the year, in Arbor Vitae, there are 119.7 rainfall days, and 18.78" (477mm) of precipitation is accumulated.Snowfall
In Arbor Vitae, snow does not fall in June through September.Daylight
In Arbor Vitae, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:20 am and sunset at 7:36 pm. On the last day of September, in Arbor Vitae, sunrise is at 6:56 am and sunset at 6:40 pm CDT.
Sunshine
The average sunshine in September is 7.8h.UV index
In Arbor Vitae, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: In September, a regular UV index of 3 translates into these guidelines:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
What are the temperatures in Arbor Vitae in September?
What is the average humidity in September in Arbor Vitae?
How much does it rain in Arbor Vitae in September?
When it does not snow in Arbor Vitae?
Does it snow in Arbor Vitae in September?
What is the average length of the day in September in Arbor Vitae?
When is the sunrise / sunset in September in Arbor Vitae?
How long on average sun shines in September in Arbor Vitae?
What is the UV index reading in September in Arbor Vitae?
Average temperature in September
Arbor Vitae, WI
- Average high temperature in September: 66.9°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 (18.9°F).
- Average low temperature in September: 48.4°F
The month with the highest average low temperature is July (56.5°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).
Average pressure in September
Arbor Vitae, WI
- Average pressure in September: 30.01"Hg
The months with the highest atmospheric pressure are February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Arbor Vitae, WI
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is November (8.6mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in September
Arbor Vitae, WI
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (71%).
Average rainfall in September
Arbor Vitae, WI
- Average rainfall in September: 1.22"
The wettest month (with the highest rainfall) is May (2.44").
The driest month (with the least rainfall) is January (0.83").
Average rainfall days in September
Arbor Vitae, WI
- Average rainfall days in September: 12.7 days
The month with the highest number of rainy days is June (15.3 days).
The months with the least rainy days are January and February (2.7 days).
Average snowfall in September
Arbor Vitae, WI
- Average snowfall in September: 0"
The month with the highest snowfall is December (6.89").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Arbor Vitae, WI
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (23.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Arbor Vitae, WI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The months with the least sunshine are January and February (Average sunshine: 2h and 6min).
Average sunshine days in September
Arbor Vitae, WI
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is September (14.4 days).
The month with the least sunshine days is January (8.3 days).
Average UV index in September
Arbor Vitae, WI
- Average UV index in September: 3
The months with the highest UV index are 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
Arbor Vitae, WI
- Average cloud cover in September: 44
The months with the most cloud cover are January and February (Cloud cover 81).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in September
Arbor Vitae, WI
- Average visibility in September: 5mi
The months with the highest visibility are May, June and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Arbor Vitae, Wisconsin, USA
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