September weather forecast
Thompson, PA

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Weather in September

September, the first month of the autumn in Thompson, is also an agreeable month, with temperature in the range of an average low of 50.4°F (10.2°C) and an average high of 70.7°F (21.5°C).

Temperature

The start of September comes with a small reduction in the average high-temperature, subtly receding from a warm 77.4°F (25.2°C) in August to a pleasant 70.7°F (21.5°C). Thompson witnesses an average low-temperature of 50.4°F (10.2°C) throughout the month of September.

Humidity

The average relative humidity in September is 80%.

Rainfall

In Thompson, during September, the rain falls for 11.8 days and regularly aggregates up to 1.65" (42mm) of precipitation. In Thompson, during the entire year, the rain falls for 152.2 days and collects up to 23.94" (608mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in September is 12h and 28min.
On the first day of the month, sunrise is at 6:28 am and sunset at 7:35 pm. On the last day of September, sunrise is at 6:58 am and sunset at 6:44 pm EDT.

Sunshine

In September, the average sunshine is 8.6h.

UV index

In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Updated: Jul 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

The high-temperature, in September, in Thompson, is 70.7°F (21.5°C), while the low-temperature averages to 50.4°F (10.2°C).

What is the average humidity in September?

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

How much does it rain in September?

In September, the rain falls for 11.8 days. Throughout September, 1.65" (42mm) of precipitation is accumulated.

When it does not snow?

In Thompson, snow does not fall in June through September.

Does it snow in September?

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

What is the average length of the day in September?

In September, the average day length is 12h and 28min.

What time are sunrise and sunset in September?

On the first day of September, sunrise is at 6:28 am and sunset at 7:35 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:44 pm EDT.

How many hours of sunshine does Thompson have in September?

In September, the average sunshine duration is 8.6h.

What is the UV index intensity in September?

In Thompson, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Thompson, PA

Average temperature in September - Thompson, PA
  • Average high temperature in September: 70.7°F

The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (28.9°F).

  • Average low temperature in September: 50.4°F

The month with the highest average low temperature is July (57.7°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

Average pressure in September
Thompson, PA

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

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in September
Thompson, PA

Average wind speed in September - Thompson, PA
  • Average wind speed in September: 5.9mph

The windiest months (with the highest average wind speed) are January and February (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in September
Thompson, PA

Average humidity in September - Thompson, PA
  • Average humidity in September: 80%

The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is July (78%).

Average rainfall in September
Thompson, PA

Average rainfall in September - Thompson, PA
  • Average rainfall in September: 1.65"

The wettest month (with the highest rainfall) is August (2.48").
The driest month (with the least rainfall) is January (1.54").

Average rainfall days in September
Thompson, PA

Average rainfall days in September - Thompson, PA
  • Average rainfall days in September: 11.8 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (7.4 days).

Average snowfall in September
Thompson, PA

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

The month with the highest snowfall is March (5.55").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Thompson, PA

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

The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are February and December (Average sunshine: 3h and 12min).

Average sunshine days in September
Thompson, PA

Average sunshine days in September - Thompson, PA
  • Average sunshine days in September: 16.2 days

The month with the most sunshine days is September (16.2 days).
The month with the least sunshine days is April (9.8 days).

Average UV index in September
Thompson, PA

Average UV index in September - Thompson, PA
  • 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 and December (UV index 1).

Average cloud cover in September
Thompson, PA

Average cloud cover in September - Thompson, PA
  • Average cloud cover in September: 43

The months with the most cloud cover are January, February and December (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 38).

Average visibility in September
Thompson, PA

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

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

Thompson, Pennsylvania, USA

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