September weather forecastLeonardsville, PA
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Leonardsville, Pennsylvania, with an average temperature ranging between max 71.1°F (21.7°C) and min 52.3°F (11.3°C).Temperature
Leonardsville's progression into September involves a gentle drop in the average high-temperature, from a warm 77.5°F (25.3°C) in August to a pleasant 71.1°F (21.7°C). Leonardsville records an average low of 52.3°F (11.3°C) throughout the nights in September.Humidity
The average relative humidity in September in Leonardsville is 80%.Rainfall
The month with the least rainfall is September, when the rain falls for 8.8 days and typically collects 0.51" (13mm) of precipitation.Snowfall
In Leonardsville, 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 September in Leonardsville, sunrise is at 6:30 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:45 pm EDT.
Sunshine
In Leonardsville, the average sunshine in September is 8.4h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: An average UV index of 4 in September transforms into this advice:
Prioritize safety - Recommendations to avert sunburn are shared. To guard against the harmful effects of the Sun, minimize exposure during midday. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Leonardsville, PA
- Average high temperature in September: 71.1°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in September: 52.3°F
The month with the highest average low temperature is July (60.1°F).
The coldest month (with the lowest average low temperature) is January (18.7°F).
Average pressure in September
Leonardsville, 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
Leonardsville, PA
- Average wind speed in September: 5.8mph
The windiest months (with the highest average wind speed) are January and March (8.5mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in September
Leonardsville, PA
- Average humidity in September: 80%
The months with the highest relative humidity are February and December (84%).
The months with the lowest relative humidity are April, June and July (78%).
Average rainfall in September
Leonardsville, PA
- Average rainfall in September: 0.51"
The wettest month (with the highest rainfall) is July (1.22").
The driest month (with the least rainfall) is September (0.51").
Average rainfall days in September
Leonardsville, PA
- Average rainfall days in September: 8.8 days
The month with the highest number of rainy days is May (14.1 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in September
Leonardsville, PA
- Average snowfall in September: 0"
The months with the highest snowfall are January, February and March (1.73").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Leonardsville, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Leonardsville, 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 18min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
Leonardsville, PA
- Average sunshine days in September: 17.8 days
The month with the most sunshine days is November (19.8 days).
The month with the least sunshine days is May (12.5 days).
Average UV index in September
Leonardsville, PA
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Leonardsville, PA
- Average cloud cover in September: 43
The months with the most cloud cover are February and December (Cloud cover 60).
The month with the least cloud cover is July (Cloud cover 38).
Average visibility in September
Leonardsville, 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).
