September weather forecastMcConnellstown, PA
September
Weather in September
September, the first month of the autumn in McConnellstown, is still a warm month, with an average temperature ranging between min 52.7°F (11.5°C) and max 74.3°F (23.5°C).Temperature
A modest decline in the average high-temperature is seen during September, decreasing from a moderately hot 81.5°F (27.5°C) in August to a still warm 74.3°F (23.5°C). McConnellstown experiences a substantial divergence from daytime highs in September, with average lows hovering around a fresh 52.7°F (11.5°C).Humidity
In September, the average relative humidity is 79%.Rainfall
In McConnellstown, in September, during 9.9 rainfall days, 1.1" (28mm) of precipitation is typically accumulated. Throughout the year, there are 128.8 rainfall days, and 16.34" (415mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In McConnellstown, 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 7:43 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:55 pm EDT.
Sunshine
The average sunshine in September is 8.4h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: A maximum UV index of 3 in September translates into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
McConnellstown, PA
- Average high temperature in September: 74.3°F
The warmest month (with the highest average high temperature) is July (83.8°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 (60.1°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).
Average pressure in September
McConnellstown, 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
McConnellstown, PA
- Average wind speed in September: 4.9mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in September
McConnellstown, 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
McConnellstown, PA
- Average rainfall in September: 1.1"
The wettest month (with the highest rainfall) is May (1.97").
The driest month (with the least rainfall) is November (1.02").
Average rainfall days in September
McConnellstown, PA
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in September
McConnellstown, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.23").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
McConnellstown, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.3 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
McConnellstown, 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 24min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
McConnellstown, PA
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (13.3 days).
Average UV index in September
McConnellstown, 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
McConnellstown, PA
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in September
McConnellstown, PA
- Average visibility in September: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).





