September weather forecastCarbondale, PA
September
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 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: 12h and 30min
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 24min
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: 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: 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: 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: 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).
