September weather forecast
Carrolltown, PA

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Weather in September

The first month of the autumn, September, is still a pleasant month in Carrolltown, Pennsylvania, with temperature in the range of an average high of 72.1°F (22.3°C) and an average low of 52.3°F (11.3°C).

Temperature

In Carrolltown, entering September brings a subtle temperature decrement, reducing from August's warm 78.4°F (25.8°C) to a pleasant 72.1°F (22.3°C). An average temperature of 52.3°F (11.3°C) is recorded during the nights in September.

Humidity

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

Rainfall

In Carrolltown, in September, during 14.5 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. In Carrolltown, during the entire year, the rain falls for 173.2 days and collects up to 32.44" (824mm) of precipitation.

Snowfall

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

Daylight

In Carrolltown, Pennsylvania, the average length of the day in September is 12h and 27min.
On the first day of September, sunrise is at 6:42 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 6:58 pm EDT.

Sunshine

In September, the average sunshine is 8.3h.

UV index

In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 3 during September translates into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Updated: Aug 23, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Carrolltown in September?

The average high-temperature, in September, in Carrolltown, is 72.1°F (22.3°C), while the average low-temperature is 52.3°F (11.3°C).

What is the average humidity in September?

The average relative humidity in September is 80%.

How many days does it rain in September?

In Carrolltown, in September, it is raining for 14.5 days, with typically 2.32" (59mm) of accumulated precipitation.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

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

What is the average length of the day in September?

The average day length in September is 12h and 27min.

When are sunrise and sunset in September in Carrolltown?

On the first day of September in Carrolltown, sunrise is at 6:42 am and sunset at 7:46 pm. On the last day of the month, sunrise is at 7:11 am and sunset at 6:58 pm EDT.

How long on average sun shines in September?

In September, the average sunshine duration is 8.3h.

What is the UV index reading in September?

In Carrolltown, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium hazard to health 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
Carrolltown, PA

Average temperature in September - Carrolltown, PA
  • Average high temperature in September: 72.1°F

The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (30.4°F).

  • Average low temperature in September: 52.3°F

The month with the highest average low temperature is July (58.8°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

Average pressure in September
Carrolltown, PA

Average pressure in September - Carrolltown, 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 (29.95"Hg).

Average wind speed in September
Carrolltown, PA

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

The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in September
Carrolltown, PA

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

The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, June, July and August (78%).

Average rainfall in September
Carrolltown, PA

Average rainfall in September - Carrolltown, PA
  • Average rainfall in September: 2.32"

The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is November (1.93").

Average rainfall days in September
Carrolltown, PA

Average rainfall days in September - Carrolltown, PA
  • Average rainfall days in September: 14.5 days

The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is January (8.8 days).

Average snowfall in September
Carrolltown, PA

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

The month with the highest snowfall is January (7.8").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Carrolltown, PA

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

The month with the highest number of snowfall days is January (16.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Carrolltown, 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 2min

The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in September
Carrolltown, PA

Average sunshine days in September - Carrolltown, PA
  • Average sunshine days in September: 12.6 days

The month with the most sunshine days is November (14.1 days).
The month with the least sunshine days is February (8.8 days).

Average UV index in September
Carrolltown, PA

Average UV index in September - Carrolltown, PA
  • Average UV index in September: 3

The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in September
Carrolltown, PA

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

The month with the most cloud cover is January (Cloud cover 71).
The months with the least cloud cover are July and August (Cloud cover 39).

Average visibility in September
Carrolltown, PA

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

The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).

Carrolltown, Pennsylvania, USA

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