September weather forecastDarlington, PA
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Darlington, Pennsylvania, with an average temperature fluctuating between 54.5°F (12.5°C) and 74.5°F (23.6°C).Temperature
With the commencement of September, Darlington records a moderate temperature decline, with the average high easing from August's moderately hot 81°F (27.2°C) to a still warm 74.5°F (23.6°C). Nighttime temperatures consistently average a fresh 54.5°F (12.5°C) during September.Humidity
In September, the average relative humidity is 79%.Rainfall
In Darlington, during September, the rain falls for 15 days and regularly aggregates up to 2.36" (60mm) of precipitation. In Darlington, during the entire year, the rain falls for 183.3 days and collects up to 35" (889mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 27min.On the first day of September, sunrise is at 6:49 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 7:17 am and sunset at 7:04 pm EDT.
Sunshine
The average sunshine in September in Darlington is 8.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 4 suggests these recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Darlington, PA
- Average high temperature in September: 74.5°F
The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (32.2°F).
- Average low temperature in September: 54.5°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (19.4°F).
Average pressure in September
Darlington, 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
Darlington, PA
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in September
Darlington, PA
- Average humidity in September: 79%
The month with the highest relative humidity is February (86%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in September
Darlington, PA
- Average rainfall in September: 2.36"
The wettest month (with the highest rainfall) is April (3.62").
The driest month (with the least rainfall) is November (2.24").
Average rainfall days in September
Darlington, PA
- Average rainfall days in September: 15 days
The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is January (10 days).
Average snowfall in September
Darlington, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (6.81").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Darlington, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Darlington, PA
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
Darlington, PA
- Average sunshine days in September: 12.9 days
The month with the most sunshine days is November (13.6 days).
The month with the least sunshine days is February (7.3 days).
Average UV index in September
Darlington, PA
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Darlington, PA
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Darlington, PA
- Average visibility in September: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
