September weather forecastNew Post, WI
September
Weather in September
The first month of the autumn, September, is still a pleasant month in New Post, Wisconsin, with an average temperature ranging between max 68°F (20°C) and min 49.1°F (9.5°C).Temperature
New Post observes a small decrease in the average high-temperature with the arrival of September, falling from August's warm 76.6°F (24.8°C) to an agreeable 68°F (20°C). Nighttime temperature dips to a mean of 49.1°F (9.5°C) during September.Humidity
The average relative humidity in September is 79%.Rainfall
In New Post, in September, it is raining for 12.1 days, with typically 1.42" (36mm) of accumulated precipitation. In New Post, during the entire year, the rain falls for 109.7 days and collects up to 20.04" (509mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In New Post, the average length of the day in September is 12h and 31min.On the first day of the month, sunrise is at 6:26 am and sunset at 7:42 pm. On the last day of September, sunrise is at 7:02 am and sunset at 6:46 pm CDT.
Sunshine
In September, the average sunshine is 8.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: An average maximum UV index of 4 in September leads to these recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
New Post, WI
- Average high temperature in September: 68°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 (17.6°F).
- Average low temperature in September: 49.1°F
The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (5.2°F).
Average pressure in September
New Post, WI
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
New Post, WI
- Average wind speed in September: 7.4mph
The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in September
New Post, WI
- Average humidity in September: 79%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is May (73%).
Average rainfall in September
New Post, WI
- Average rainfall in September: 1.42"
The wettest month (with the highest rainfall) is May (2.76").
The driest month (with the least rainfall) is January (0.63").
Average rainfall days in September
New Post, WI
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is June (15.5 days).
The month with the least rainy days is February (1.3 days).
Average snowfall in September
New Post, WI
- Average snowfall in September: 0"
The month with the highest snowfall is December (6.5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
New Post, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
New Post, 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: 8h and 6min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 18min).
Average sunshine days in September
New Post, WI
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in September
New Post, WI
- Average UV index in September: 4
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
New Post, WI
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 79).
The month with the least cloud cover is July (Cloud cover 37).
Average visibility in September
New Post, WI
- Average visibility in September: 5mi
The months with the highest visibility are May, June and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
