September weather forecast
Swedeland, PA

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Weather in September

The first month of the autumn, September, is still a warm month in Swedeland, Pennsylvania, with an average temperature varying between 59°F (15°C) and 76.1°F (24.5°C).

Temperature

Swedeland's progression into September involves a gentle drop in the average high-temperature, from a warm 83.3°F (28.5°C) in August to a still moderately hot 76.1°F (24.5°C). During the month of September, an average temperature of 59°F (15°C) is noted during the nights.

Humidity

The average relative humidity in September is 76%.

Rainfall

In Swedeland, during September, the rain falls for 10.8 days and regularly aggregates up to 0.98" (25mm) of precipitation. Throughout the year, there are 138.2 rainfall days, and 15.59" (396mm) of precipitation is accumulated.

Snowfall

In Swedeland, snow does not fall in April, June through November.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of the month, sunrise is at 6:29 am and sunset at 7:32 pm. On the last day of September, sunrise is at 6:57 am and sunset at 6:44 pm EDT.

Sunshine

In Swedeland, the average sunshine in September is 8.8h.

UV index

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The daily high UV index of 4 in September translates into this advice:
Heed the precautions - Suggestions to avoid sunburn are made. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

In September, in Swedeland, the average high-temperature is 76.1°F (24.5°C), and the average low-temperature is 59°F (15°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in August is computed to be 89.6°F (32°C).

What is the average humidity in September?

In Swedeland, the average relative humidity in September is 76%.

How many days does it rain in September?

In Swedeland, during September, the rain falls for 10.8 days and regularly aggregates up to 0.98" (25mm) of precipitation.

When it does not snow?

April, June through November are months without snowfall.

How many hours of daylight does Swedeland have in September?

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

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:29 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:44 pm EDT.

How many hours of sunshine does Swedeland have in September?

The average sunshine duration in September is 8.8h.

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 medium hazard to health 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
Swedeland, PA

Average temperature in September - Swedeland, PA
  • Average high temperature in September: 76.1°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (36.7°F).

  • Average low temperature in September: 59°F

The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

Average pressure in September
Swedeland, PA

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

Average wind speed in September - Swedeland, PA
  • Average wind speed in September: 5.7mph

The windiest month (with the highest average wind speed) is March (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

Average humidity in September
Swedeland, PA

Average humidity in September - Swedeland, PA
  • Average humidity in September: 76%

The months with the highest relative humidity are February and October (79%).
The months with the lowest relative humidity are April and July (72%).

Average rainfall in September
Swedeland, PA

Average rainfall in September - Swedeland, PA
  • Average rainfall in September: 0.98"

The wettest month (with the highest rainfall) is July (1.89").
The driest month (with the least rainfall) is February (0.91").

Average rainfall days in September
Swedeland, PA

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

The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is November (7.4 days).

Average snowfall in September
Swedeland, PA

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

The months with the highest snowfall are February and March (0.55").
The months with the least snowfall are April, June, July, August, September, October and November (0").

Average snowfall days in September
Swedeland, PA

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

The month with the highest number of snowfall days is January (5.2 days).
The months with the least snowfall days are April, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Swedeland, 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 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
Swedeland, PA

Average sunshine days in September - Swedeland, PA
  • Average sunshine days in September: 17.3 days

The month with the most sunshine days is November (20.5 days).
The months with the least sunshine days are May and June (12.8 days).

Average UV index in September
Swedeland, PA

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

Average cloud cover in September
Swedeland, PA

Average cloud cover in September - Swedeland, PA
  • Average cloud cover in September: 38

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in September
Swedeland, PA

Average visibility in September - Swedeland, PA
  • Average visibility in September: 5mi

The months with the highest visibility are January, February, March, April, June, July, August, October, November and December (6mi).
The months with the lowest visibility are May and September (5mi).

Swedeland, Pennsylvania, USA

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