September weather forecastKemblesville, PA
September
Weather in September
The first month of the autumn, September, is still a warm month in Kemblesville, Pennsylvania, with an average temperature fluctuating between 59.9°F (15.5°C) and 76.5°F (24.7°C).Temperature
With the arrival of September, Kemblesville notices a mild change in the average high-temperature, sliding from August's warm 82.9°F (28.3°C) to a still moderately hot 76.5°F (24.7°C). Kemblesville's temperature tends to fall to an average low of 59.9°F (15.5°C) during the nights of September.Humidity
The months with the highest humidity are May, September and October, with an average relative humidity of 78%.Rainfall
In Kemblesville, in September, it is raining for 13.7 days, with typically 2.36" (60mm) of accumulated precipitation. Throughout the year, there are 168.9 rainfall days, and 34.84" (885mm) of precipitation is accumulated.Snowfall
In Kemblesville, snow does not fall in June through October.Daylight
The average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:32 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:46 pm EDT.
Sunshine
In September, the average sunshine is 9.1h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 5 during September leads to these instructions:
Put precautions into practice - Protective measures against sun-induced damage are advised. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kemblesville, PA
- Average high temperature in September: 76.5°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in September: 59.9°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in September
Kemblesville, PA
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Kemblesville, PA
- Average wind speed in September: 5.9mph
The windiest months (with the highest average wind speed) are February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in September
Kemblesville, PA
- Average humidity in September: 78%
The months with the highest relative humidity are May, September and October (78%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Kemblesville, PA
- Average rainfall in September: 2.36"
The wettest month (with the highest rainfall) is August (4.17").
The driest month (with the least rainfall) is January (2.24").
Average rainfall days in September
Kemblesville, PA
- Average rainfall days in September: 13.7 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is January (9.3 days).
Average snowfall in September
Kemblesville, PA
- Average snowfall in September: 0"
The month with the highest snowfall is March (2.76").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Kemblesville, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Kemblesville, PA
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 9h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in September
Kemblesville, PA
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (9.7 days).
Average UV index in September
Kemblesville, 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
Kemblesville, PA
- Average cloud cover in September: 35
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in September
Kemblesville, PA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
