September weather forecastPoynette, WI
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Poynette, Wisconsin, with an average temperature ranging between max 71.1°F (21.7°C) and min 51.4°F (10.8°C).Temperature
The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from a warm 77.4°F (25.2°C) to an agreeable 71.1°F (21.7°C). Poynette throughout September, records an average low-temperature of 51.4°F (10.8°C).Humidity
The average relative humidity in September is 80%.Rainfall
In September, the rain falls for 9.3 days. Throughout September, 0.87" (22mm) of precipitation is accumulated. Throughout the year, in Poynette, Wisconsin, there are 107.1 rainfall days, and 10.24" (260mm) of precipitation is accumulated.Snowfall
In Poynette, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 29min.On the first day of the month, sunrise is at 6:22 am and sunset at 7:32 pm. On the last day of September, in Poynette, sunrise is at 6:54 am and sunset at 6:39 pm CDT.
Sunshine
The average sunshine in September in Poynette 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 unsafe exposure to UV radiation for the ordinary person.Note: A typical high UV index of 3 in September suggests the following recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Poynette, WI
- Average high temperature in September: 71.1°F
The warmest month (with the highest average high temperature) is July (78.6°F).
The month with the lowest average high temperature is January (22.6°F).
- Average low temperature in September: 51.4°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (10.9°F).
Average pressure in September
Poynette, WI
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Poynette, WI
- Average wind speed in September: 7.5mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in September
Poynette, WI
- Average humidity in September: 80%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Poynette, WI
- Average rainfall in September: 0.87"
The wettest month (with the highest rainfall) is June (1.42").
The driest month (with the least rainfall) is January (0.35").
Average rainfall days in September
Poynette, WI
- Average rainfall days in September: 9.3 days
The month with the highest number of rainy days is June (15.4 days).
The month with the least rainy days is February (2.4 days).
Average snowfall in September
Poynette, WI
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.69").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Poynette, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Poynette, 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 54min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Poynette, WI
- Average sunshine days in September: 19.4 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in September
Poynette, 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, November and December (UV index 1).
Average cloud cover in September
Poynette, 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
Poynette, WI
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).
