September weather forecast
New London, WI

Share

Weather in September

The first month of the autumn, September, is still a pleasant month in New London, Wisconsin, with an average temperature ranging between min 51.1°F (10.6°C) and max 70.2°F (21.2°C).

Temperature

The transition to September results in a modest reduction in average high-temperature, moving from a moderately hot 77.4°F (25.2°C) in August to a pleasant 70.2°F (21.2°C). Throughout September, an average low-temperature of 51.1°F (10.6°C) is experienced in New London.

Humidity

In September, the average relative humidity in New London is 80%.

Rainfall

In September, the rain falls for 11.9 days. Throughout September, 1.81" (46mm) of precipitation is accumulated. Throughout the year, there are 132 rainfall days, and 25.79" (655mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in September in New London, Wisconsin, 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, in New London, Wisconsin, sunrise is at 6:52 am and sunset at 6:36 pm CDT.

Sunshine

In New London, the average sunshine in September is 8.5h.

UV index

The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Around midday, solar radiation is most harmful; hence, exposure should be limited. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
[Resources]

Frequently asked questions

What are September temperatures in New London?

In New London, in September, the average high-temperature is 70.2°F (21.2°C), and the average low-temperature is 51.1°F (10.6°C).

What is the average humidity in September in New London?

In September, the average relative humidity in New London, Wisconsin, is 80%.

How much does it rain in New London in September?

In September, in New London, Wisconsin, the rain falls for 11.9 days. Throughout September, 1.81" (46mm) of precipitation is accumulated.

When it does not snow in New London?

In New London, snow does not fall in June through September.

Does it snow in New London in September?

In New London, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September in New London?

In September, the average day length in New London is 12h and 30min.

When is the sunrise / sunset in September in New London?

On the first day of September in New London, sunrise is at 6:18 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:36 pm CDT.

How long on average sun shines in September in New London?

In New London, the average sunshine duration in September is 8.5h.

What is the UV index reading in September in New London?

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 threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
New London, WI

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).

[Resources]

Average pressure in September
New London, WI

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).

[Resources]

Average wind speed in September
New London, WI

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).

[Resources]

Average humidity in September
New London, WI

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%).

[Resources]

Average rainfall in September
New London, WI

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").

[Resources]

Average rainfall days in September
New London, WI

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).

[Resources]

Average snowfall in September
New London, WI

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").

[Resources]

Average snowfall days in September
New London, WI

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).

[Resources]

Average daylight in September /
Average sunshine in September
New London, WI

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).

[Resources]

Average sunshine days in September
New London, WI

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).

[Resources]

Average UV index in September
New London, WI

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).

[Resources]

Average cloud cover in September
New London, WI

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).

[Resources]

Average visibility in September
New London, WI

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).

[Resources]

New London, Wisconsin, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location