September weather forecastHighland, WI
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Highland, Wisconsin, with an average temperature fluctuating between 52°F (11.1°C) and 72°F (22.2°C).Temperature
In Highland, the average high-temperature in September slightly decreases from a warm 78.8°F (26°C) in August to an agreeable 72°F (22.2°C). The average low-temperature of 52°F (11.1°C) is witnessed during September.Humidity
In September, the average relative humidity in Highland is 80%.Rainfall
In Highland, in September, during 13 rainfall days, 2.91" (74mm) of precipitation is typically accumulated. Throughout the year, in Highland, there are 145.9 rainfall days, and 31.97" (812mm) of precipitation is accumulated.Snowfall
In Highland, snow does not fall in June through September.Daylight
In Highland, the average length of the day in September is 12h and 29min.On the first day of September, sunrise is at 6:26 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:43 pm CDT.
Sunshine
The average sunshine in September is 8.8h.UV index
In Highland, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A daily high UV index of 3 in September leads to these guidelines:
Make use of precautions - It is urged to ward off sun damage. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Highland, WI
- Average high temperature in September: 72°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (23.4°F).
- Average low temperature in September: 52°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).
Average pressure in September
Highland, 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
Highland, WI
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in September
Highland, WI
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (89%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in September
Highland, WI
- Average rainfall in September: 2.91"
The wettest month (with the highest rainfall) is June (4.41").
The driest month (with the least rainfall) is January (1.26").
Average rainfall days in September
Highland, WI
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in September
Highland, WI
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.18").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Highland, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Highland, WI
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 48min
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 18min).
Average sunshine days in September
Highland, WI
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is June (8.6 days).
Average UV index in September
Highland, WI
- Average UV index in September: 3
The months with the highest UV index are June and 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
Highland, WI
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Highland, WI
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, October and November (6mi).
The months with the lowest visibility are January, February, July, August, September and December (5mi).





