September weather forecastRockland, WI
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Rockland, Wisconsin, with an average temperature varying between 70.9°F (21.6°C) and 50.9°F (10.5°C).Temperature
The shift from August to September includes a small decrease in the average high-temperature, from a warm 77.5°F (25.3°C) to a pleasant 70.9°F (21.6°C). An average low-temperature of 50.9°F (10.5°C) is observed during the September nights.Humidity
In Rockland, Wisconsin, the average relative humidity in September is 80%.Rainfall
In September, the rain falls for 12.6 days. Throughout September, 2.36" (60mm) of precipitation is accumulated. In Rockland, during the entire year, the rain falls for 142.9 days and collects up to 29.13" (740mm) of precipitation.Snowfall
In Rockland, snow does not fall in June through September.Daylight
In Rockland, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:27 am and sunset at 7:38 pm. On the last day of September, sunrise is at 7:01 am and sunset at 6:45 pm CDT.
Sunshine
The average sunshine in September in Rockland is 8.7h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum daily UV index of 3 during September morphs into the following directions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rockland, WI
- Average high temperature in September: 70.9°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (21.6°F).
- Average low temperature in September: 50.9°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (8.1°F).
Average pressure in September
Rockland, 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 (29.89"Hg).
Average wind speed in September
Rockland, WI
- Average wind speed in September: 7.2mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in September
Rockland, WI
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (90%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in September
Rockland, WI
- Average rainfall in September: 2.36"
The wettest month (with the highest rainfall) is June (4.57").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in September
Rockland, WI
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (3.8 days).
Average snowfall in September
Rockland, WI
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.85").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Rockland, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Rockland, WI
- Average daylight in September: 12h and 30min
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 42min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Rockland, WI
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is October (15.6 days).
The month with the least sunshine days is June (8.4 days).
Average UV index in September
Rockland, 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, February, November and December (UV index 1).
Average cloud cover in September
Rockland, 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 34).
Average visibility in September
Rockland, WI
- Average visibility in September: 5mi
The months with the highest visibility are April, May, June, October and November (6mi).
The months with the lowest visibility are January and February (4mi).





