Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
September brings a slight decrease in temperature, down from a moderately hot 78.4°F (25.8°C) in August to a pleasant 71.4°F (21.9°C). The temperature lowers to an average of 51.1°F (10.6°C) during September nights.Humidity
The average relative humidity in September is 80%.Rainfall
September is the month with the least rainfall in Falls. Rain falls for 11.5 days and accumulates 1.73" (44mm) of precipitation.Snowfall
In Falls, snow does not fall in June through September.Daylight
In Falls, the average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 6:30 am and sunset at 7:35 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 8.5h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 3 during September translates into these guidelines:
Take precautions - Protection against sunburn is recommended. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Frequently asked questions
What is the usual temperature for Falls in September?
What is the average humidity in September in Falls?
What is the driest month in Falls?
How many days does it rain in September in Falls?
When it does not snow in Falls?
Does it snow in Falls in September?
What is the average length of the day in September in Falls?
When is the sunrise / sunset in September in Falls?
How many hours of sunshine does Falls have in September?
How high is the UV index in September in Falls?
Average temperature in September
Falls, PA
- Average high temperature in September: 71.4°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in September: 51.1°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (18.1°F).
Average pressure in September
Falls, PA
- Average pressure in September: 30.07"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
Falls, PA
- Average wind speed in September: 5.8mph
The windiest months (with the highest average wind speed) are January, February, March and April (8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Falls, PA
- Average humidity in September: 80%
The months with the highest relative humidity are February and December (84%).
The month with the lowest relative humidity is July (77%).
Average rainfall in September
Falls, PA
- Average rainfall in September: 1.73"
The wettest month (with the highest rainfall) is June (2.72").
The driest month (with the least rainfall) is September (1.73").
Average rainfall days in September
Falls, PA
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in September
Falls, PA
- Average snowfall in September: 0"
The month with the highest snowfall is February (7.56").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Falls, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Falls, PA
- Average daylight in September: 12h and 3min
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 12min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 3h and 24min).
Average sunshine days in September
Falls, PA
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is September (16.3 days).
The month with the least sunshine days is February (8.5 days).
Average UV index in September
Falls, PA
- Average UV index in September: 3
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
Falls, PA
- Average cloud cover in September: 43
The months with the most cloud cover are January, February and December (Cloud cover 65).
The months with the least cloud cover are July and August (Cloud cover 38).
Average visibility in September
Falls, PA
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (5mi).
Falls, Pennsylvania, USA
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