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 onset of September brings an average high-temperature of an enjoyable 64.4°F (18°C), nearly matching the August temperature. Ellison Bay consistently logs a low temperature averaging a mild 57.6°F (14.2°C) during September, a modest drop from daytime temperatures.Humidity
In Ellison Bay, the average relative humidity in September is 79%.Rainfall
In Ellison Bay, in September, it is raining for 12.9 days, with typically 2.24" (57mm) of accumulated precipitation. In Ellison Bay, Wisconsin, during the entire year, the rain falls for 141.7 days and collects up to 26.93" (684mm) of precipitation.Snowfall
June through September are months without snowfall in Ellison Bay.Daylight
In Ellison Bay, the average length of the day in September is 12h and 31min.On the first day of September in Ellison Bay, sunrise is at 6:10 am and sunset at 7:25 pm. On the last day of the month, sunrise is at 6:46 am and sunset at 6:29 pm CDT.
Sunshine
In Ellison Bay, the average sunshine in September is 8.8h.UV index
In September, the average daily maximum UV index in Ellison Bay is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the average maximum UV index of 3 translates into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Ellison Bay?
What is the average humidity in September in Ellison Bay?
How many days does it rain in September in Ellison Bay?
When it does not snow in Ellison Bay?
Does it snow in Ellison Bay in September?
How many hours of daylight does Ellison Bay have in September?
What time are sunrise and sunset in September in Ellison Bay?
How long on average sun shines in September in Ellison Bay?
How high is the UV index in September in Ellison Bay?
Average temperature in September
Ellison Bay, WI
- Average high temperature in September: 64.4°F
The warmest month (with the highest average high temperature) is August (69.6°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in September: 57.6°F
The month with the highest average low temperature is August (63°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in September
Ellison Bay, WI
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Ellison Bay, WI
- Average wind speed in September: 12mph
The windiest month (with the highest average wind speed) is December (15.5mph).
The calmest months (with the lowest average wind speed) are June and July (9.6mph).
Average humidity in September
Ellison Bay, WI
- Average humidity in September: 79%
The months with the highest relative humidity are January and June (84%).
The month with the lowest relative humidity is November (76%).
Average rainfall in September
Ellison Bay, WI
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is October (3.07").
The driest months (with the least rainfall) are January and February (1.38").
Average rainfall days in September
Ellison Bay, WI
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is August (15.6 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in September
Ellison Bay, WI
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.49").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Ellison Bay, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ellison Bay, WI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in September
Ellison Bay, WI
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is January (8.3 days).
Average UV index in September
Ellison Bay, WI
- Average UV index in September: 3
The months with the highest UV index are July and August (UV index 5).
The months with the lowest UV index are January, March and December (UV index 1).
Average cloud cover in September
Ellison Bay, WI
- Average cloud cover in September: 31
The month with the most cloud cover is January (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in September
Ellison Bay, WI
- 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 (5mi).
Ellison Bay, Wisconsin, USA
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