September weather forecast
Acosta, PA

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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.

Frequently asked questions

What are the temperatures in September?

The average high-temperature, in September, in Acosta, is 71.4°F (21.9°C), while the average low-temperature is 52.7°F (11.5°C).

What is the average humidity in September?

The average relative humidity in September is 81%.

How many days does it rain in September?

In Acosta, in September, during 15.2 rainfall days, 2.05" (52mm) of precipitation is typically accumulated.

When it does not snow?

In Acosta, snow does not fall in June through September.

Does it snow in September?

In Acosta, in September, it doesn't snow. In October, it regularly snows.

What is the average length of the day in September?

In September, the average day length in Acosta is 12h and 26min.

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:44 am and sunset at 7:47 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 6:59 pm EDT.

How long on average sun shines in September?

In Acosta, the average sunshine duration in September is 8.2h.

What is the UV index intensity in September?

In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Acosta, PA

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 - 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 - 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 - 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 - 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 - 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 - 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 - 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 / Average sunshine in September - Acosta, PA
  • Average daylight in September: 12h and 2min

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 1min

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 - 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 - 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 - 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 - 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).

Acosta, Pennsylvania, USA

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