September weather forecast
Avondale, PA

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Weather in September

September, the first month of the autumn in Avondale, is also a moderately hot month, with an average temperature ranging between min 58.8°F (14.9°C) and max 75°F (23.9°C).

Temperature

Avondale's September weather shows a modest shift in high-temperatures, falling from August's moderately hot 81.9°F (27.7°C) to a still warm 75°F (23.9°C). Nightly temperatures drop to an average low of 58.8°F (14.9°C) in September.

Humidity

The months with the highest humidity are February, May, September, October and December, with an average relative humidity of 79%.

Rainfall

The months with the least rainfall are January, September and November Rain falls for 10.8 days and accumulates 0.87" (22mm) of rain.

Snowfall

In Avondale, snow does not fall in June through October.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:31 am and sunset at 7:34 pm. On the last day of September, in Avondale, sunrise is at 6:59 am and sunset at 6:46 pm EDT.

Sunshine

In Avondale, the average sunshine in September is 8.9h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: In September, the maximum UV index of 4 translates into these guidelines:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.

Frequently asked questions

What is the temperature in September?

In Avondale, 75°F (23.9°C) is the average high-temperature and 58.8°F (14.9°C) is the average low-temperature during September. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in August is appraised at 87.8°F (31°C).

What are the most humid months?

The months with the highest humidity are February, May, September, October and December, with an average relative humidity of 79%.

What is the average humidity in September?

The average relative humidity in September is 79%.

What is the driest month?

The months with the least rainfall are January, September and November Rain falls for 10.8 days and accumulates 0.87" (22mm) of rain.

How many days does it rain in September?

In September, the rain falls for 10.8 days. Throughout September, 0.87" (22mm) of precipitation is accumulated.

When it does not snow?

June through October are months without snowfall.

How many hours of daylight does Avondale have in September?

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

When is the sunrise / sunset in September in Avondale?

In September, on the first day of the month, sunrise is at 6:31 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:46 pm EDT.

How long on average sun shines in September?

The average sunshine duration in September is 8.9h.

What is the UV index intensity in September?

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate vulnerability 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
Avondale, PA

Average temperature in September - Avondale, PA
  • Average high temperature in September: 75°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (36.9°F).

  • Average low temperature in September: 58.8°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).

Average pressure in September
Avondale, PA

Average pressure in September - Avondale, PA
  • Average pressure in September: 30.06"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
Avondale, PA

Average wind speed in September - Avondale, PA
  • Average wind speed in September: 5.8mph

The windiest months (with the highest average wind speed) are February and March (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in September
Avondale, PA

Average humidity in September - Avondale, PA
  • Average humidity in September: 79%

The months with the highest relative humidity are February, May, September, October and December (79%).
The months with the lowest relative humidity are March and April (75%).

Average rainfall in September
Avondale, PA

Average rainfall in September - Avondale, PA
  • Average rainfall in September: 0.87"

The wettest month (with the highest rainfall) is August (1.93").
The driest months (with the least rainfall) are January, September and November (0.87").

Average rainfall days in September
Avondale, PA

Average rainfall days in September - Avondale, PA
  • Average rainfall days in September: 10.8 days

The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is January (5.9 days).

Average snowfall in September
Avondale, PA

Average snowfall in September - Avondale, PA
  • Average snowfall in September: 0"

The month with the highest snowfall is March (1.26").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in September
Avondale, PA

Average snowfall days in September - Avondale, PA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Avondale, PA

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in September
Avondale, PA

Average sunshine days in September - Avondale, PA
  • Average sunshine days in September: 17.6 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is July (12.9 days).

Average UV index in September
Avondale, PA

Average UV index in September - Avondale, 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, November and December (UV index 2).

Average cloud cover in September
Avondale, PA

Average cloud cover in September - Avondale, PA
  • Average cloud cover in September: 37

The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).

Average visibility in September
Avondale, PA

Average visibility in September - Avondale, 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).

Avondale, Pennsylvania, USA

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