September weather forecast
State Line, PA

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Weather in September

September, the first month of the autumn in State Line, is still a warm month, with an average temperature fluctuating between 75.6°F (24.2°C) and 55.8°F (13.2°C).

Temperature

September witnesses a gentle descent in average high-temperature, descending from August's moderately hot 82.2°F (27.9°C) to a still warm 75.6°F (24.2°C). In September, the recorded average low-temperature in State Line is a refreshing 55.8°F (13.2°C).

Humidity

In September, the average relative humidity is 78%.

Rainfall

In State Line, Pennsylvania, during September, the rain falls for 14.2 days and regularly aggregates up to 2.09" (53mm) of precipitation. Throughout the year, there are 164.7 rainfall days, and 29.17" (741mm) of precipitation is accumulated.

Snowfall

In State Line, snow does not fall in May through September.

Daylight

The average length of the day in September in State Line is 12h and 26min.
On the first day of September, sunrise is at 6:39 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:54 pm EDT.

Sunshine

In September, the average sunshine is 8.8h.

UV index

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: A typical high UV index of 4 in September suggests the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
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Frequently asked questions

What is the average September temperature in State Line?

In September, in State Line, the average high-temperature is 75.6°F (24.2°C), and the average low-temperature is 55.8°F (13.2°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is evaluated at 87.8°F (31°C).

What is the average humidity in September in State Line?

In State Line, Pennsylvania, the average relative humidity in September is 78%.

How much does it rain in State Line in September?

In State Line, during September, the rain falls for 14.2 days and regularly aggregates up to 2.09" (53mm) of precipitation.

When it does not snow in State Line?

In State Line, snow does not fall in May through September.

Does it snow in State Line in September?

In State Line, Pennsylvania, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does State Line have in September?

In State Line, Pennsylvania, the average day length in September is 12h and 26min.

What time are sunrise and sunset in September in State Line?

On the first day of September, sunrise is at 6:39 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:54 pm EDT.

How many hours of sunshine does State Line have in September?

In State Line, the average sunshine duration in September is 8.8h.

What is the UV index reading in September in State Line?

In September, the average daily maximum UV index in State Line, Pennsylvania, is 4. A UV Index of 3 to 5 symbolizes a moderate health threat 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
State Line, PA

Average temperature in September - State Line, PA
  • Average high temperature in September: 75.6°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (36.1°F).

  • Average low temperature in September: 55.8°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.8°F).

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Average pressure in September
State Line, PA

Average pressure in September - State Line, 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).

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Average wind speed in September
State Line, PA

Average wind speed in September - State Line, PA
  • Average wind speed in September: 5mph

The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

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Average humidity in September
State Line, PA

Average humidity in September - State Line, PA
  • Average humidity in September: 78%

The months with the highest relative humidity are May and October (79%).
The months with the lowest relative humidity are April and July (75%).

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Average rainfall in September
State Line, PA

Average rainfall in September - State Line, PA
  • Average rainfall in September: 2.09"

The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is February (1.97").

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Average rainfall days in September
State Line, PA

Average rainfall days in September - State Line, PA
  • Average rainfall days in September: 14.2 days

The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (8.8 days).

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Average snowfall in September
State Line, PA

Average snowfall in September - State Line, PA
  • Average snowfall in September: 0"

The month with the highest snowfall is January (4.21").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
State Line, PA

Average snowfall days in September - State Line, PA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in September /
Average sunshine in September
State Line, PA

Average daylight in September / Average sunshine in September - State Line, 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in September
State Line, PA

Average sunshine days in September - State Line, PA
  • Average sunshine days in September: 13.9 days

The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.7 days).

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Average UV index in September
State Line, PA

Average UV index in September - State Line, PA
  • Average UV index in September: 4

The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in September
State Line, PA

Average cloud cover in September - State Line, PA
  • Average cloud cover in September: 38

The months with the most cloud cover are January, February, March and December (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in September
State Line, PA

Average visibility in September - State Line, PA
  • Average visibility in September: 5mi

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

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State Line, Pennsylvania, USA

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