September weather forecastHolts Landing, WI
September
Weather in September
September, the first month of the autumn in Holts Landing, is also an enjoyable month, with an average temperature varying between 48.4°F (9.1°C) and 67.3°F (19.6°C).Temperature
September sees a slight reduction in average high-temperature, with a shift from a warm 75.7°F (24.3°C) in August to an enjoyable 67.3°F (19.6°C). Throughout the nights in September, an average low-temperature of 48.4°F (9.1°C) is noted in Holts Landing.Humidity
In September, the average relative humidity is 80%.Rainfall
In September, the rain falls for 12.7 days. Throughout September, 1.46" (37mm) of precipitation is accumulated. Throughout the year, in Holts Landing, there are 118.6 rainfall days, and 21.85" (555mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 32min.On the first day of September, sunrise is at 6:23 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:42 pm CDT.
Sunshine
In September, the average sunshine is 7.8h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 3 during September leads to these instructions:
Be vigilant - Preventing sunburn is recommended. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Holts Landing, WI
- Average high temperature in September: 67.3°F
The warmest month (with the highest average high temperature) is July (78.4°F).
The month with the lowest average high temperature is January (18°F).
- Average low temperature in September: 48.4°F
The month with the highest average low temperature is July (56.8°F).
The coldest month (with the lowest average low temperature) is January (6.1°F).
Average pressure in September
Holts Landing, WI
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is February (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Holts Landing, WI
- Average wind speed in September: 7.5mph
The windiest months (with the highest average wind speed) are April and November (8.6mph).
The calmest month (with the lowest average wind speed) is August (6.8mph).
Average humidity in September
Holts Landing, WI
- Average humidity in September: 80%
The months with the highest relative humidity are January and February (93%).
The month with the lowest relative humidity is May (72%).
Average rainfall in September
Holts Landing, WI
- Average rainfall in September: 1.46"
The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in September
Holts Landing, 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 (2.3 days).
Average snowfall in September
Holts Landing, WI
- Average snowfall in September: 0"
The month with the highest snowfall is December (7.56").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Holts Landing, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (21.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Holts Landing, WI
- Average daylight in September: 12h and 30min
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 48min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 0min).
Average sunshine days in September
Holts Landing, WI
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is August (14.9 days).
The month with the least sunshine days is April (9.7 days).
Average UV index in September
Holts Landing, 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, February, March, November and December (UV index 1).
Average cloud cover in September
Holts Landing, WI
- Average cloud cover in September: 44
The month with the most cloud cover is January (Cloud cover 83).
The month with the least cloud cover is July (Cloud cover 39).
Average visibility in September
Holts Landing, WI
- Average visibility in September: 5mi
The months with the highest visibility are May and June (6mi).
The months with the lowest visibility are January, February, March and December (4mi).





