September weather forecast
New London, PA

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Weather in September

The first month of the autumn, September, is still a warm month in New London, Pennsylvania, with temperature in the range of an average low of 58.8°F (14.9°C) and an average high of 75°F (23.9°C).

Temperature

As New London enters September, the average high-temperature subtly lowers from the 81.9°F (27.7°C) of August to a still moderately hot 75°F (23.9°C). Throughout September, the average low-temperature records at a moderate 58.8°F (14.9°C).

Humidity

February, May, September, October and December, with an average relative humidity of 79%, are the most humid months.

Rainfall

January, September and November are months with the least rain when the rain falls for 10.8 days and typically aggregates up to 0.87" (22mm) of rain.

Snowfall

June through October are months without snowfall.

Daylight

In New London, Pennsylvania, the average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:32 am and sunset at 7:34 pm. On the last day of September, in New London, sunrise is at 6:59 am and sunset at 6:47 pm EDT.

Sunshine

The average sunshine in September in New London is 8.9h.

UV index

In New London, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: An average UV index of 4 in September transforms into this advice:
Take necessary precautions - Protection from skin and eye injury is mandatory. It's recommended to limit sun exposure when its radiation is at its peak during midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
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Frequently asked questions

What are September temperatures in New London?

The high-temperature, in September, in New London, records 75°F (23.9°C), while the low-temperature is 58.8°F (14.9°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, in August is computed to be 87.8°F (31°C).

What is the most humid month in New London?

The months with the highest humidity in New London are February, May, September, October and December, with an average relative humidity of 79%.

What is the average humidity in September in New London?

In September, the average relative humidity in New London is 79%.

What is the driest month in New London?

January, September and November are months with the least rain in New London when the rain falls for 10.8 days and typically aggregates up to 0.87" (22mm) of rain.

How many days does it rain in September in New London?

In New London, during September, the rain falls for 10.8 days and regularly aggregates up to 0.87" (22mm) of precipitation.

When it does not snow in New London?

June through October are months without snowfall in New London.

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

In September, the average day length in New London, Pennsylvania, is 12h and 26min.

What time are sunrise and sunset in September in New London?

On the first day of September in New London, sunrise is at 6:32 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:47 pm EDT.

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

In New London, the average sunshine duration in September is 8.9h.

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

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
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, PA

Average temperature in September - New London, PA
  • Average high temperature in September: 75°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in September: 58.8°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).

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Average pressure in September
New London, PA

Average pressure in September - New London, PA
  • Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in September
New London, PA

Average wind speed in September - New London, PA
  • Average wind speed in September: 5.8mph

The windiest months (with the highest average wind speed) are February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

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Average humidity in September
New London, PA

Average humidity in September - New London, PA
  • Average humidity in September: 79%

The months with the highest relative humidity are February, May, September, October and December (79%).
The months with the lowest relative humidity are March and April (75%).

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Average rainfall in September
New London, PA

Average rainfall in September - New London, PA
  • Average rainfall in September: 0.87"

The wettest month (with the highest rainfall) is August (1.93").
The driest months (with the least rainfall) are January, September and November (0.87").

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Average rainfall days in September
New London, PA

Average rainfall days in September - New London, PA
  • Average rainfall days in September: 10.8 days

The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is January (5.9 days).

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Average snowfall in September
New London, PA

Average snowfall in September - New London, PA
  • Average snowfall in September: 0"

The month with the highest snowfall is March (1.26").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in September
New London, PA

Average snowfall days in September - New London, PA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - New London, PA
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in September
New London, PA

Average sunshine days in September - New London, PA
  • Average sunshine days in September: 17.6 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is July (12.9 days).

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Average UV index in September
New London, PA

Average UV index in September - New London, PA
  • Average UV index in September: 4

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in September
New London, PA

Average cloud cover in September - New London, PA
  • Average cloud cover in September: 37

The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in September
New London, PA

Average visibility in September - New London, PA
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

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New London, Pennsylvania, USA

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