September weather forecastAcosta, PA
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Acosta, Pennsylvania, with an average temperature ranging between max 71.4°F (21.9°C) and min 52.7°F (11.5°C).Temperature
September ushers in a minute temperature change, with average high-temperatures reducing from August's warm 77.5°F (25.3°C) to an agreeable 71.4°F (21.9°C). Acosta, in September, observes a steady average low-temperature of 52.7°F (11.5°C).Humidity
In September, the average relative humidity is 81%.Rainfall
In September, the rain falls for 15.2 days. Throughout September, 2.05" (52mm) of precipitation is accumulated. In Acosta, Pennsylvania, during the entire year, the rain falls for 164.4 days and collects up to 30.08" (764mm) of precipitation.Snowfall
In Acosta, snow does not fall in June through September.Daylight
In Acosta, the average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:44 am and sunset at 7:47 pm. On the last day of September, sunrise is at 7:12 am and sunset at 6:59 pm EDT.
Sunshine
The average sunshine in September is 8.2h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 3 during September translates into the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Acosta, PA
- Average high temperature in September: 71.4°F
The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (31.1°F).
- Average low temperature in September: 52.7°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 (18.5°F).
Average pressure in September
Acosta, PA
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Acosta, PA
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is January (10.2mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in September
Acosta, PA
- Average humidity in September: 81%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are April, June and July (79%).
Average rainfall in September
Acosta, PA
- Average rainfall in September: 2.05"
The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is November (1.65").
Average rainfall days in September
Acosta, PA
- Average rainfall days in September: 15.2 days
The month with the highest number of rainy days is May (19.9 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in September
Acosta, PA
- Average snowfall in September: 0"
The month with the highest snowfall is January (6.46").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Acosta, PA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Acosta, 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 12min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in September
Acosta, PA
- Average sunshine days in September: 13 days
The month with the most sunshine days is November (15.8 days).
The month with the least sunshine days is May (9.3 days).
Average UV index in September
Acosta, PA
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Acosta, PA
- Average cloud cover in September: 44
The month with the most cloud cover is January (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 40).
Average visibility in September
Acosta, PA
- Average visibility in September: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).
