September weather forecastWaterford, PA
September
Weather in September
September, the first month of the autumn in Waterford, is still a pleasant month, with an average temperature varying between 70.5°F (21.4°C) and 54.3°F (12.4°C).Temperature
At the onset of September, Waterford records an average high-temperature of an agreeable 70.5°F (21.4°C), showing little deviation from the preceding month. In the month of September, an average of 54.3°F (12.4°C) marks the low-temperature.Humidity
In Waterford, Pennsylvania, the average relative humidity in September is 81%.Rainfall
The months with the least rainfall are August and September Rain falls for 15 days and accumulates 2.52" (64mm) of rain.Snowfall
June through September are months without snowfall.Daylight
In Waterford, the average length of the day in September is 12h and 28min.On the first day of the month, sunrise is at 6:46 am and sunset at 7:53 pm. On the last day of September, in Waterford, sunrise is at 7:16 am and sunset at 7:02 pm EDT.
Sunshine
The average sunshine in September is 8.1h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high UV index of 3 in September translates into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Waterford, PA
- Average high temperature in September: 70.5°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is January (29.3°F).
- Average low temperature in September: 54.3°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 (18.5°F).
Average pressure in September
Waterford, PA
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Waterford, PA
- Average wind speed in September: 7.2mph
The windiest month (with the highest average wind speed) is January (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in September
Waterford, PA
- Average humidity in September: 81%
The month with the highest relative humidity is February (90%).
The months with the lowest relative humidity are April and May (80%).
Average rainfall in September
Waterford, PA
- Average rainfall in September: 2.52"
The wettest month (with the highest rainfall) is October (3.62").
The driest months (with the least rainfall) are August and September (2.52").
Average rainfall days in September
Waterford, PA
- Average rainfall days in September: 15 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is January (7.2 days).
Average snowfall in September
Waterford, PA
- Average snowfall in September: 0"
The month with the highest snowfall is December (11.77").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Waterford, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (21.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Waterford, PA
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 1h and 54min).
Average sunshine days in September
Waterford, PA
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is September (12.5 days).
The month with the least sunshine days is January (5 days).
Average UV index in September
Waterford, PA
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in September
Waterford, PA
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 81).
The months with the least cloud cover are July and August (Cloud cover 35).
Average visibility in September
Waterford, PA
- Average visibility in September: 6mi
The months with the highest visibility are June, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).





