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
In Ross, entering September brings a subtle temperature decrement, reducing from August's moderately hot 78.3°F (25.7°C) to an agreeable 71.2°F (21.8°C). The month of September records an average low-temperature of 50.9°F (10.5°C).Humidity
In Ross, the average relative humidity in September is 80%.Rainfall
In Ross, Wisconsin, during September, the rain falls for 12.1 days and regularly aggregates up to 2.48" (63mm) of precipitation. In Ross, during the entire year, the rain falls for 130.6 days and collects up to 28.58" (726mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Ross is 12h and 29min.On the first day of the month, sunrise is at 6:27 am and sunset at 7:37 pm. On the last day of September, sunrise is at 7:00 am and sunset at 6:45 pm CDT.
Sunshine
The average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the maximum UV index of 3 transforms into these recommendations:
Guard yourself - An obligation to protect skin and eyes from harm exists. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Ross in September?
What is the average humidity in September in Ross?
How much does it rain in Ross in September?
When it does not snow in Ross?
Does it snow in Ross in September?
How many hours of daylight does Ross have in September?
What time are sunrise and sunset in September in Ross?
How many hours of sunshine does Ross have in September?
What is the UV index intensity in September in Ross?
Average temperature in September
Ross, WI
- Average high temperature in September: 71.2°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (22.1°F).
- Average low temperature in September: 50.9°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (9.3°F).
Average pressure in September
Ross, WI
- Average pressure in September: 30.02"Hg
The months with the highest atmospheric pressure are January and February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Ross, WI
- Average wind speed in September: 7.2mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in September
Ross, WI
- Average humidity in September: 80%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Ross, WI
- Average rainfall in September: 2.48"
The wettest month (with the highest rainfall) is June (4.8").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in September
Ross, WI
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is February (3.1 days).
Average snowfall in September
Ross, WI
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.38").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Ross, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Ross, 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 4min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in September
Ross, WI
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is December (17.4 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in September
Ross, 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, February, November and December (UV index 1).
Average cloud cover in September
Ross, WI
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Ross, WI
- Average visibility in September: 5mi
The months with the highest visibility are April, May, October and November (6mi).
The month with the lowest visibility is January (4mi).
Ross, Wisconsin, USA
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