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
The arrival of September is marked by a minor reduction in average high-temperature, sliding from a moderately hot 77.4°F (25.2°C) in August to a pleasant 70.2°F (21.2°C). The average temperature during September nights dips to a fresh 51.1°F (10.6°C).Humidity
In September, the average relative humidity in New London, Wisconsin, is 80%.Rainfall
In September, the rain falls for 11.9 days. Throughout September, 1.81" (46mm) of precipitation is accumulated. In New London, during the entire year, the rain falls for 132 days and collects up to 25.79" (655mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In New London, the average length of the day in September is 12h and 30min.On the first day of the month, sunrise is at 6:18 am and sunset at 7:30 pm. On the last day of September, sunrise is at 6:52 am and sunset at 6:36 pm CDT.
Sunshine
In September, the average sunshine is 8.5h.UV index
In New London, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The UV index of 3 during September translates into the following guidance:
Guard yourself - Precautionary measures against sun damage are advocated. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
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 in New London?
Does it snow in September?
What is the average length of the day in September in New London?
What time are sunrise and sunset in September in New London?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
New London, WI
- Average high temperature in September: 70.2°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 (21.9°F).
- Average low temperature in September: 51.1°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (10.6°F).
Average pressure in September
New London, WI
- Average pressure in September: 30.02"Hg
The months with the highest atmospheric pressure are January, February and March (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
New London, WI
- Average wind speed in September: 7.7mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is August (7mph).
Average humidity in September
New London, 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
New London, WI
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in September
New London, WI
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (4 days).
Average snowfall in September
New London, WI
- Average snowfall in September: 0"
The month with the highest snowfall is January (6.06").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
New London, WI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (13 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 London, WI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
New London, WI
- Average sunshine days in September: 15.9 days
The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is April (11.7 days).
Average UV index in September
New London, WI
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
New London, WI
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
New London, WI
- Average visibility in September: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (5mi).
New London, Wisconsin, USA
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