September weather forecast
Wellington, PA

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Weather in September

The first month of the autumn, September, is still a warm month in Wellington, Pennsylvania, with temperature in the range of an average low of 55°F (12.8°C) and an average high of 74.1°F (23.4°C).

Temperature

September reveals a small adjustment in temperature, transitioning from an average high of 81°F (27.2°C) in August to a still warm 74.1°F (23.4°C). In the month of September, Wellington's average low-temperature falls to a fresh 55°F (12.8°C).

Humidity

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

Rainfall

The month with the least rainfall is September, when the rain falls for 11.6 days and typically collects 1.93" (49mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in September is 12h and 27min.
On the first day of the month, sunrise is at 6:29 am and sunset at 7:33 pm. On the last day of September, sunrise is at 6:58 am and sunset at 6:45 pm EDT.

Sunshine

In September, the average sunshine is 8.8h.

UV index

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The daily maximum UV index of 4 in September interprets into the following advice:
Take necessary precautions - Defending against sun damage is advocated. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.

Frequently asked questions

What is the temperature in September in Wellington?

In Wellington, in September, the average high-temperature is 74.1°F (23.4°C), and the average low-temperature is 55°F (12.8°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in August is calculated to be 86°F (30°C).

What is the average humidity in September in Wellington?

The average relative humidity in September is 79%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 11.6 days and accumulates 1.93" (49mm) of precipitation.

How much does it rain in September?

In September, in Wellington, the rain falls for 11.6 days. Throughout September, 1.93" (49mm) of precipitation is accumulated.

When it does not snow?

In Wellington, Pennsylvania, snow does not fall in June through September.

Does it snow in September?

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

What is the average length of the day in September?

In Wellington, the average day length in September is 12h and 27min.

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:29 am and sunset at 7:33 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:45 pm EDT.

How many hours of sunshine does Wellington have in September?

In Wellington, the average sunshine duration in September is 8.8h.

How high is the UV index in September?

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Wellington, PA

Average temperature in September - Wellington, PA
  • Average high temperature in September: 74.1°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (33.8°F).

  • Average low temperature in September: 55°F

The month with the highest average low temperature is July (63.3°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in September
Wellington, PA

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

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in September
Wellington, PA

Average wind speed in September - Wellington, PA
  • Average wind speed in September: 5.5mph

The windiest months (with the highest average wind speed) are January and March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in September
Wellington, PA

Average humidity in September - Wellington, PA
  • Average humidity in September: 79%

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are April and July (76%).

Average rainfall in September
Wellington, PA

Average rainfall in September - Wellington, PA
  • Average rainfall in September: 1.93"

The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is September (1.93").

Average rainfall days in September
Wellington, PA

Average rainfall days in September - Wellington, PA
  • Average rainfall days in September: 11.6 days

The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (9.9 days).

Average snowfall in September
Wellington, PA

Average snowfall in September - Wellington, PA
  • Average snowfall in September: 0"

The month with the highest snowfall is March (4.88").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Wellington, PA

Average snowfall days in September - Wellington, PA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Wellington, PA

Average daylight in September / Average sunshine in September - Wellington, PA
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in September
Wellington, PA

Average sunshine days in September - Wellington, PA
  • Average sunshine days in September: 15.7 days

The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is February (11.7 days).

Average UV index in September
Wellington, PA

Average UV index in September - Wellington, PA
  • Average UV index in September: 4

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

Average cloud cover in September
Wellington, PA

Average cloud cover in September - Wellington, PA
  • Average cloud cover in September: 39

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in September
Wellington, PA

Average visibility in September - Wellington, PA
  • Average visibility in September: 5mi

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

Wellington, Pennsylvania, USA

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