Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The move into September indicates a slight reduction in the average high-temperature, down from August's warm 78.4°F (25.8°C) to an agreeable 72.1°F (22.3°C). Throughout September, Marienville witnesses a consistent average low-temperature of 51.6°F (10.9°C).Humidity
In September, the average relative humidity is 81%.Rainfall
In Marienville, during September, the rain falls for 15.2 days and regularly aggregates up to 2.48" (63mm) of precipitation. Throughout the year, there are 171.3 rainfall days, and 35.08" (891mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Marienville, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:43 am and sunset at 7:49 pm. On the last day of September, sunrise is at 7:12 am and sunset at 6:59 pm EDT.
Sunshine
In Marienville, the average sunshine in September is 7.9h.UV index
In Marienville, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily high UV index of 3 in September leads to these guidelines:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Marienville have in September?
How high is the UV index in September?
Average temperature in September
Marienville, 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 (29.8°F).
- Average low temperature in September: 51.6°F
The month with the highest average low temperature is July (57.6°F).
The coldest month (with the lowest average low temperature) is January (17.4°F).
Average pressure in September
Marienville, PA
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Marienville, PA
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in September
Marienville, PA
- Average humidity in September: 81%
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are April, May, June, July and August (79%).
Average rainfall in September
Marienville, PA
- Average rainfall in September: 2.48"
The wettest month (with the highest rainfall) is April (4.02").
The driest month (with the least rainfall) is November (2.32").
Average rainfall days in September
Marienville, PA
- Average rainfall days in September: 15.2 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is January (7.4 days).
Average snowfall in September
Marienville, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (8.9").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Marienville, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (20.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Marienville, 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: 7h and 5min
The months with the most sunshine are July and August (Average sunshine: 9h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 12min).
Average sunshine days in September
Marienville, PA
- Average sunshine days in September: 11.8 days
The month with the most sunshine days is November (12.4 days).
The month with the least sunshine days is February (7.2 days).
Average UV index in September
Marienville, 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
Marienville, PA
- Average cloud cover in September: 46
The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is July (Cloud cover 41).
Average visibility in September
Marienville, PA
- Average visibility in September: 4mi
The months with the highest visibility are March, April, May, June, July, October and November (5mi).
The months with the lowest visibility are January, February, August, September and December (4mi).
Marienville, Pennsylvania, USA
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