September weather forecast
Carbondale, PA

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Weather in September

The first month of the autumn, September, is still a pleasant month in Carbondale, Pennsylvania, with an average temperature ranging between max 70.9°F (21.6°C) and min 50.4°F (10.2°C).

Temperature

With the arrival of September, Carbondale experiences a modest decline in average high-temperatures, transitioning from a moderately hot 77.5°F (25.3°C) in August to an agreeable 70.9°F (21.6°C). During the month of September, an average temperature of 50.4°F (10.2°C) is noted during the nights.

Humidity

In September, the average relative humidity is 80%.

Rainfall

January and September are months with the least rain when the rain falls for 10.5 days and typically aggregates up to 1.65" (42mm) of rain.

Snowfall

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

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 7:34 pm. On the last day of September, sunrise is at 6:58 am and sunset at 6:44 pm EDT.

Sunshine

The average sunshine in September is 8.4h.

UV index

In Carbondale, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 3 in September interprets into the following advice:
Take precautions - Protection against sun damage is advised. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.

Frequently asked questions

What is the average September temperature?

An average high-temperature, in September, in Carbondale, is 70.9°F (21.6°C) and the average low-temperature is 50.4°F (10.2°C).

What is the average humidity in September?

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

What is the driest month?

The months with the least rainfall are January and September Rain falls for 10.5 days and accumulates 1.65" (42mm) of rain.

How much does it rain in September?

In Carbondale, in September, it is raining for 10.5 days, with typically 1.65" (42mm) of accumulated precipitation.

When it does not snow?

June through September are months without snowfall.

Does it snow in September?

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

What is the average length of the day in September?

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

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:28 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:44 pm EDT.

How long on average sun shines in September?

The average sunshine duration in September is 8.4h.

What is the UV index intensity in September?

In September, the average daily maximum UV index is 3. A UV Index estimate 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
Carbondale, PA

Average temperature in September - Carbondale, PA
  • Average high temperature in September: 70.9°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 (29.5°F).

  • Average low temperature in September: 50.4°F

The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).

Average pressure in September
Carbondale, PA

Average pressure in September - Carbondale, 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
Carbondale, PA

Average wind speed in September - Carbondale, PA
  • Average wind speed in September: 6mph

The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

Average humidity in September
Carbondale, PA

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

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

Average rainfall in September
Carbondale, PA

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

The wettest months (with the highest rainfall) are May and August (2.48").
The driest months (with the least rainfall) are January and September (1.65").

Average rainfall days in September
Carbondale, PA

Average rainfall days in September - Carbondale, PA
  • Average rainfall days in September: 10.5 days

The months with the highest number of rainy days are April and May (16.3 days).
The month with the least rainy days is January (6.8 days).

Average snowfall in September
Carbondale, PA

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

The month with the highest snowfall is January (5.59").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Carbondale, PA

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

The month with the highest number of snowfall days is January (15.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

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

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in September: 8h and 2min

The month with the most sunshine is July (Average sunshine: 9h and 54min).
The months with the least sunshine are February and December (Average sunshine: 3h and 12min).

Average sunshine days in September
Carbondale, PA

Average sunshine days in September - Carbondale, PA
  • Average sunshine days in September: 17.3 days

The month with the most sunshine days is September (17.3 days).
The month with the least sunshine days is April (9.6 days).

Average UV index in September
Carbondale, PA

Average UV index in September - Carbondale, 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
Carbondale, PA

Average cloud cover in September - Carbondale, PA
  • Average cloud cover in September: 45

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 39).

Average visibility in September
Carbondale, PA

Average visibility in September - Carbondale, 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).

Carbondale, Pennsylvania, USA

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