September weather forecastWashington Crossing, PA
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Washington Crossing, Pennsylvania, with an average temperature varying between 59.2°F (15.1°C) and 76.1°F (24.5°C).Temperature
September's onset introduces a mild reduction in the average high-temperature, from a moderately hot 82.9°F (28.3°C) in August to a still warm 76.1°F (24.5°C). The average temperature in Washington Crossing drops to a moderate 59.2°F (15.1°C) during the night in the month of September.Humidity
In September, the average relative humidity is 76%.Rainfall
The month with the least rainfall is September, when the rain falls for 8.6 days and typically collects 0.51" (13mm) of precipitation.Snowfall
In Washington Crossing, snow does not fall in June through October.Daylight
In Washington Crossing, the average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:27 am and sunset at 7:30 pm. On the last day of September, sunrise is at 6:55 am and sunset at 6:42 pm EDT.
Sunshine
In Washington Crossing, the average sunshine in September is 8.8h.UV index
In September, the average daily maximum UV index in Washington Crossing is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Undertake protective steps - Preventing sun damage is advised. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Washington Crossing, PA
- Average high temperature in September: 76.1°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (36.9°F).
- Average low temperature in September: 59.2°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in September
Washington Crossing, 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
Washington Crossing, PA
- Average wind speed in September: 5.8mph
The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in September
Washington Crossing, PA
- Average humidity in September: 76%
The months with the highest relative humidity are February, October and December (78%).
The month with the lowest relative humidity is April (72%).
Average rainfall in September
Washington Crossing, PA
- Average rainfall in September: 0.51"
The wettest month (with the highest rainfall) is July (1.26").
The driest month (with the least rainfall) is September (0.51").
Average rainfall days in September
Washington Crossing, PA
- Average rainfall days in September: 8.6 days
The month with the highest number of rainy days is May (13.1 days).
The month with the least rainy days is January (6.4 days).
Average snowfall in September
Washington Crossing, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.71").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Washington Crossing, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.5 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
Washington Crossing, 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 24min).
- Average sunshine in September: 8h and 48min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Washington Crossing, PA
- Average sunshine days in September: 19.3 days
The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is June (14.8 days).
Average UV index in September
Washington Crossing, PA
- Average UV index in September: 4
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, March, November and December (UV index 2).
Average cloud cover in September
Washington Crossing, PA
- Average cloud cover in September: 38
The months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).
Average visibility in September
Washington Crossing, PA
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
