September weather forecast
Sweeneys Crossroads, PA

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Weather in September

September, the first month of the autumn in Sweeneys Crossroads, is still a warm month, with temperature in the range of an average high of 75.4°F (24.1°C) and an average low of 55°F (12.8°C).

Temperature

Sweeneys Crossroads's transition into September involves a gentle shift in temperature, receding from a warm 81.9°F (27.7°C) in August to a still moderately hot 75.4°F (24.1°C). Throughout September, the temperature falls to an average low of 55°F (12.8°C).

Humidity

In September, the average relative humidity is 78%.

Rainfall

In Sweeneys Crossroads, in September, during 14.3 rainfall days, 2.4" (61mm) of precipitation is typically accumulated. In Sweeneys Crossroads, during the entire year, the rain falls for 191.3 days and collects up to 35.24" (895mm) of precipitation.

Snowfall

June through September are months without snowfall in Sweeneys Crossroads.

Daylight

The average length of the day in September in Sweeneys Crossroads is 12h and 26min.
On the first day of the month, sunrise is at 6:47 am and sunset at 7:50 pm. On the last day of September, in Sweeneys Crossroads, sunrise is at 7:15 am and sunset at 7:02 pm EDT.

Sunshine

In Sweeneys Crossroads, Pennsylvania, the average sunshine in September is 8.7h.

UV index

The average daily maximum UV index in September in Sweeneys Crossroads is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In September, an average UV index of 4 transforms into the following instructions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September in Sweeneys Crossroads?

In Sweeneys Crossroads, 75.4°F (24.1°C) is the average high-temperature and 55°F (12.8°C) is the average low-temperature during September. In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 87.8°F (31°C).

What is the average humidity in September in Sweeneys Crossroads?

In Sweeneys Crossroads, Pennsylvania, the average relative humidity in September is 78%.

How much does it rain in Sweeneys Crossroads in September?

In Sweeneys Crossroads, Pennsylvania, during September, the rain falls for 14.3 days and regularly aggregates up to 2.4" (61mm) of precipitation.

When it does not snow in Sweeneys Crossroads?

In Sweeneys Crossroads, snow does not fall in June through September.

Does it snow in Sweeneys Crossroads in September?

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

What is the average length of the day in September in Sweeneys Crossroads?

The average day length in September is 12h and 26min.

When is the sunrise / sunset in September in Sweeneys Crossroads?

On the first day of September, sunrise is at 6:47 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 7:02 pm EDT.

How many hours of sunshine does Sweeneys Crossroads have in September?

The average sunshine duration in September in Sweeneys Crossroads, Pennsylvania, is 8.7h.

How high is the UV index in September in Sweeneys Crossroads?

The average daily maximum UV index in September in Sweeneys Crossroads, Pennsylvania, is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.
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
Sweeneys Crossroads, PA

Average temperature in September - Sweeneys Crossroads, PA
  • Average high temperature in September: 75.4°F

The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (34°F).

  • Average low temperature in September: 55°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).

Average pressure in September
Sweeneys Crossroads, PA

Average pressure in September - Sweeneys Crossroads, PA
  • Average pressure in September: 30.05"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
Sweeneys Crossroads, PA

Average wind speed in September - Sweeneys Crossroads, PA
  • Average wind speed in September: 5mph

The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

Average humidity in September
Sweeneys Crossroads, PA

Average humidity in September - Sweeneys Crossroads, PA
  • Average humidity in September: 78%

The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (76%).

Average rainfall in September
Sweeneys Crossroads, PA

Average rainfall in September - Sweeneys Crossroads, PA
  • Average rainfall in September: 2.4"

The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is November (2.13").

Average rainfall days in September
Sweeneys Crossroads, PA

Average rainfall days in September - Sweeneys Crossroads, PA
  • Average rainfall days in September: 14.3 days

The month with the highest number of rainy days is May (21.8 days).
The months with the least rainy days are January and February (11.7 days).

Average snowfall in September
Sweeneys Crossroads, PA

Average snowfall in September - Sweeneys Crossroads, PA
  • Average snowfall in September: 0"

The month with the highest snowfall is January (6.26").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Sweeneys Crossroads, PA

Average snowfall days in September - Sweeneys Crossroads, PA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Sweeneys Crossroads, PA

Average daylight in September / Average sunshine in September - Sweeneys Crossroads, 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 4min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

Average sunshine days in September
Sweeneys Crossroads, PA

Average sunshine days in September - Sweeneys Crossroads, PA
  • Average sunshine days in September: 13.7 days

The month with the most sunshine days is November (14.3 days).
The month with the least sunshine days is January (6.8 days).

Average UV index in September
Sweeneys Crossroads, PA

Average UV index in September - Sweeneys Crossroads, PA
  • Average UV index in September: 4

The months with the highest UV index are May, June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in September
Sweeneys Crossroads, PA

Average cloud cover in September - Sweeneys Crossroads, PA
  • Average cloud cover in September: 37

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in September
Sweeneys Crossroads, PA

Average visibility in September - Sweeneys Crossroads, PA
  • Average visibility in September: 5mi

The months with the highest visibility are April, August and November (6mi).
The months with the lowest visibility are January and February (4mi).

Sweeneys Crossroads, Pennsylvania, USA

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