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
In the transition to September, Penn Wynne observes a minor drop in the average high-temperature, shifting from a warm 83.7°F (28.7°C) in August to a still moderately hot 76.5°F (24.7°C). During the month of September, the temperature generally drops to a low average of 59.9°F (15.5°C).Humidity
In September, the average relative humidity is 75%.Rainfall
In Penn Wynne, during September, the rain falls for 10.1 days and regularly aggregates up to 0.63" (16mm) of precipitation. In Penn Wynne, during the entire year, the rain falls for 111.8 days and collects up to 9.69" (246mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Penn Wynne, the average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:29 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:44 pm EDT.
Sunshine
In Penn Wynne, the average sunshine in September is 8.6h.UV index
In Penn Wynne, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: In September, an average UV index of 5 transforms into the following instructions:
Undertake protective steps - Recommendations to avoid sunburn are issued. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Frequently asked questions
What is the temperature in September in Penn Wynne?
What is the average humidity in September in Penn Wynne?
How many days does it rain in September in Penn Wynne?
When it does not snow in Penn Wynne?
How many hours of daylight does Penn Wynne have in September?
What time are sunrise and sunset in September in Penn Wynne?
How many hours of sunshine does Penn Wynne have in September?
What is the UV index reading in September in Penn Wynne?
Average temperature in September
Penn Wynne, PA
- Average high temperature in September: 76.5°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in September: 59.9°F
The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in September
Penn Wynne, PA
- Average pressure in September: 30.05"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
Penn Wynne, PA
- Average wind speed in September: 5.9mph
The windiest month (with the highest average wind speed) is March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in September
Penn Wynne, PA
- Average humidity in September: 75%
The months with the highest relative humidity are February and October (78%).
The months with the lowest relative humidity are April, July and August (71%).
Average rainfall in September
Penn Wynne, PA
- Average rainfall in September: 0.63"
The wettest months (with the highest rainfall) are July and August (1.14").
The driest month (with the least rainfall) is January (0.55").
Average rainfall days in September
Penn Wynne, PA
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is July (13.3 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in September
Penn Wynne, PA
- Average snowfall in September: 0"
The months with the highest snowfall are February and March (0.98").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Penn Wynne, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Penn Wynne, PA
- Average daylight in September: 12h and 2min
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 24min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
Penn Wynne, PA
- Average sunshine days in September: 18.5 days
The month with the most sunshine days is November (22.5 days).
The month with the least sunshine days is July (14.9 days).
Average UV index in September
Penn Wynne, PA
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Penn Wynne, PA
- Average cloud cover in September: 39
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in September
Penn Wynne, PA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Penn Wynne, Pennsylvania, USA
Weather forecast for your location
2. Allow the app to use your location
