September weather forecast
Tremont, PA

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Weather in September

The first month of the autumn, September, is also an agreeable month in Tremont, Pennsylvania, with an average temperature varying between 54.1°F (12.3°C) and 73.2°F (22.9°C).

Temperature

The arrival of September signals a subtle shift in temperature, down from a warm 79.5°F (26.4°C) in August to a pleasant 73.2°F (22.9°C). The nighttime temperature in Tremont, during September, averages of 54.1°F (12.3°C).

Humidity

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

Rainfall

In Tremont, in September, during 9.6 rainfall days, 0.87" (22mm) of precipitation is typically accumulated. In Tremont, during the entire year, the rain falls for 133.5 days and collects up to 15.16" (385mm) of precipitation.

Snowfall

June through September are months without snowfall in Tremont.

Daylight

The average length of the day in September is 12h and 27min.
On the first day of September, sunrise is at 6:33 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:48 pm EDT.

Sunshine

In Tremont, the average sunshine in September is 8.6h.

UV index

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In September, the maximum UV index of 4 translates into these guidelines:
Take precautions - Protection against skin and eye damage is obliged. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Updated: Jul 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature?

September temperatures vary between a high-temperature of 73.2°F (22.9°C) and a low-temperature of 54.1°F (12.3°C). In July, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, is calculated to be 87.8°F (31°C).

What is the average humidity in September?

In September, the average relative humidity is 80%.

How much does it rain in September?

In September, the rain falls for 9.6 days. Throughout September, 0.87" (22mm) of precipitation is accumulated.

When it does not snow?

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

Does it snow in September?

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

How many hours of daylight does Tremont have in September?

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

When are sunrise and sunset in September in Tremont?

In September, on the first day of the month, sunrise is at 6:33 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 6:48 pm EDT.

How many hours of sunshine does Tremont have in September?

In September, the average sunshine duration in Tremont is 8.6h.

What is the UV index reading in September in Tremont?

In Tremont, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe 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
Tremont, PA

Average temperature in September - Tremont, PA
  • Average high temperature in September: 73.2°F

The warmest month (with the highest average high temperature) is July (81.5°F).
The month with the lowest average high temperature is January (33.4°F).

  • Average low temperature in September: 54.1°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (20.7°F).

Average pressure in September
Tremont, PA

Average pressure in September - Tremont, 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).

Average wind speed in September
Tremont, PA

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

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in September
Tremont, PA

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

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are March and April (77%).

Average rainfall in September
Tremont, PA

Average rainfall in September - Tremont, PA
  • Average rainfall in September: 0.87"

The wettest month (with the highest rainfall) is August (1.93").
The driest month (with the least rainfall) is February (0.83").

Average rainfall days in September
Tremont, PA

Average rainfall days in September - Tremont, PA
  • Average rainfall days in September: 9.6 days

The month with the highest number of rainy days is May (15.4 days).
The month with the least rainy days is January (6.8 days).

Average snowfall in September
Tremont, PA

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

The month with the highest snowfall is January (1.77").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Tremont, PA

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

The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Tremont, 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 4min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).

Average sunshine days in September
Tremont, PA

Average sunshine days in September - Tremont, PA
  • Average sunshine days in September: 18.1 days

The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is May (12.7 days).

Average UV index in September
Tremont, PA

Average UV index in September - Tremont, 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
Tremont, PA

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

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in September
Tremont, PA

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

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

Tremont, Pennsylvania, USA

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