Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Newton's September weather shows a modest shift in high-temperatures, falling from August's warm 74.5°F (23.6°C) to an agreeable 68°F (20°C). Newton sees an average low-temperature of 56.1°F (13.4°C) during September.Humidity
The average relative humidity in September is 80%.Rainfall
In September, the rain falls for 13.4 days. Throughout September, 2.36" (60mm) of precipitation is accumulated. Throughout the year, there are 137.7 rainfall days, and 27.64" (702mm) of precipitation is accumulated.Snowfall
In Newton, snow does not fall in May through September.Daylight
In Newton, the average length of the day in September is 12h and 30min.On the first day of the month, sunrise is at 6:15 am and sunset at 7:26 pm. On the last day of September, sunrise is at 6:48 am and sunset at 6:33 pm CDT.
Sunshine
The average sunshine in September is 9.1h.UV index
In Newton, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: An average UV index of 4 in September transforms into this advice:
Take necessary precautions - Suggestions to elude sunburn are provided. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in Newton in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Newton have in September?
What is the UV index reading in September in Newton?
Average temperature in September
Newton, WI
- Average high temperature in September: 68°F
The warmest months (with the highest average high temperature) are July and August (74.5°F).
The month with the lowest average high temperature is January (25.2°F).
- Average low temperature in September: 56.1°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure in September
Newton, WI
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Newton, WI
- Average wind speed in September: 9.7mph
The windiest month (with the highest average wind speed) is January (12.7mph).
The calmest month (with the lowest average wind speed) is July (8.1mph).
Average humidity in September
Newton, WI
- Average humidity in September: 80%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is November (77%).
Average rainfall in September
Newton, WI
- Average rainfall in September: 2.36"
The wettest month (with the highest rainfall) is May (3.5").
The driest months (with the least rainfall) are January and February (1.14").
Average rainfall days in September
Newton, WI
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is February (3.6 days).
Average snowfall in September
Newton, WI
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.87").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Newton, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Newton, WI
- Average daylight in September: 12h and 3min
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: 9h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 3h and 36min).
Average sunshine days in September
Newton, WI
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is December (17.1 days).
The month with the least sunshine days is July (10.6 days).
Average UV index in September
Newton, WI
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Newton, WI
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 27).
Average visibility in September
Newton, WI
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Newton, Wisconsin, USA
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