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 commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from a warm 77.4°F (25.2°C) in August to an agreeable 70.3°F (21.3°C). In Stony Fork, an average low-temperature of 49.8°F (9.9°C) is recorded during September nights.Humidity
The average relative humidity in September in Stony Fork is 81%.Rainfall
In Stony Fork, in September, it is raining for 12.3 days, with typically 1.46" (37mm) of accumulated precipitation. In Stony Fork, during the entire year, the rain falls for 161.9 days and collects up to 20.04" (509mm) of precipitation.Snowfall
June through September are months without snowfall in Stony Fork.Daylight
The average length of the day in September in Stony Fork is 12h and 28min.On the first day of September, sunrise is at 6:36 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:52 pm EDT.
Sunshine
In September, the average sunshine is 8.2h.UV index
In Stony Fork, 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 rays for the ordinary person.Note: In September, the maximum UV index of 3 suggests this advice:
Take precautions - Protection against sunburn is recommended. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Stay sun-safe with clothing that is both closely woven and worn loosely.
Frequently asked questions
What is the usual temperature for Stony Fork in September?
What is the average humidity in September in Stony Fork?
How many days does it rain in September in Stony Fork?
When it does not snow in Stony Fork?
Does it snow in Stony Fork in September?
What is the average length of the day in September in Stony Fork?
What time are sunrise and sunset in September in Stony Fork?
How long on average sun shines in September in Stony Fork?
How high is the UV index in September in Stony Fork?
Average temperature in September
Stony Fork, PA
- Average high temperature in September: 70.3°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (28.8°F).
- Average low temperature in September: 49.8°F
The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in September
Stony Fork, PA
- Average pressure in September: 30.07"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
Stony Fork, 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
Stony Fork, PA
- Average humidity in September: 81%
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
Stony Fork, PA
- Average rainfall in September: 1.46"
The wettest month (with the highest rainfall) is April (2.24").
The driest month (with the least rainfall) is January (1.22").
Average rainfall days in September
Stony Fork, PA
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.6 days).
Average snowfall in September
Stony Fork, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (4.57").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Stony Fork, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Stony Fork, PA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in September
Stony Fork, PA
- Average sunshine days in September: 14.9 days
The month with the most sunshine days is September (14.9 days).
The month with the least sunshine days is February (8.4 days).
Average UV index in September
Stony Fork, 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
Stony Fork, PA
- Average cloud cover in September: 45
The months with the most cloud cover are January and December (Cloud cover 68).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in September
Stony Fork, PA
- Average visibility in September: 4mi
The months with the highest visibility are January, March, April, May, June, July, August, October, November and December (5mi).
The months with the lowest visibility are February and September (4mi).
Stony Fork, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location
