September weather forecastMarklesburg, PA
September
Weather in September
September, the first month of the autumn in Marklesburg, is still a warm month, with an average temperature ranging between min 52.7°F (11.5°C) and max 73.9°F (23.3°C).Temperature
September witnesses a gentle descent in average high-temperature, descending from August's warm 81.1°F (27.3°C) to a still moderately hot 73.9°F (23.3°C). The temperature lowers to an average of 52.7°F (11.5°C) during September nights.Humidity
In Marklesburg, the average relative humidity in September is 79%.Rainfall
In Marklesburg, Pennsylvania, during September, the rain falls for 11.6 days and regularly aggregates up to 1.22" (31mm) of precipitation. In Marklesburg, during the entire year, the rain falls for 148.3 days and collects up to 17.6" (447mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In Marklesburg, the average length of the day in September is 12h and 27min.On the first day of September, sunrise is at 6:40 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:56 pm EDT.
Sunshine
In September, the average sunshine is 8.6h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A typical high UV index of 3 in September suggests the following recommendations:
Guard yourself - Avoiding sunburn is suggested. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Marklesburg, PA
- Average high temperature in September: 73.9°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (33.1°F).
- Average low temperature in September: 52.7°F
The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is January (20.3°F).
Average pressure in September
Marklesburg, PA
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Marklesburg, PA
- Average wind speed in September: 4.9mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in September
Marklesburg, PA
- Average humidity in September: 79%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is July (75%).
Average rainfall in September
Marklesburg, PA
- Average rainfall in September: 1.22"
The wettest month (with the highest rainfall) is May (2.17").
The driest months (with the least rainfall) are January and November (1.06").
Average rainfall days in September
Marklesburg, PA
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is May (16.9 days).
The months with the least rainy days are January and February (8.3 days).
Average snowfall in September
Marklesburg, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.91").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Marklesburg, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Marklesburg, PA
- Average daylight in September: 12h and 24min
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 18min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in September
Marklesburg, PA
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in September
Marklesburg, PA
- Average UV index in September: 3
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Marklesburg, PA
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are July and August (Cloud cover 34).
Average visibility in September
Marklesburg, PA
- Average visibility in September: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).





