September weather forecast
Three Springs, PA

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Weather in September

September, the first month of the autumn in Three Springs, is also a moderately hot month, with an average temperature varying between 74.3°F (23.5°C) and 53.2°F (11.8°C).

Temperature

Three Springs's progression into September involves a gentle drop in the average high-temperature, from 81.3°F (27.4°C) in August to a still warm 74.3°F (23.5°C). During September, the average low-temperature is a fresh 53.2°F (11.8°C).

Humidity

In Three Springs, the average relative humidity in September is 79%.

Rainfall

The month with the least rainfall is September, when the rain falls for 12.8 days and typically collects 1.85" (47mm) of precipitation.

Snowfall

In Three Springs, snow does not fall in May through September.

Daylight

In September, the average length of the day in Three Springs is 12h and 26min.
On the first day of September, sunrise is at 6:40 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:55 pm EDT.

Sunshine

The average sunshine in September is 8.6h.

UV index

In September, the average daily maximum UV index in Three Springs is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum UV index of 4 in September translates into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
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Frequently asked questions

What are September temperatures in Three Springs?

Three Springs in September has an average high-temperature of 74.3°F (23.5°C) and an average low-temperature of 53.2°F (11.8°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, in August is computed to be 86°F (30°C).

What is the average humidity in September in Three Springs?

In September, the average relative humidity in Three Springs is 79%.

What is the driest month in Three Springs?

The month with the least rainfall is September, when the rain falls for 12.8 days and typically collects 1.85" (47mm) of precipitation.

How many days does it rain in September in Three Springs?

In Three Springs, Pennsylvania, in September, it is raining for 12.8 days, with typically 1.85" (47mm) of accumulated precipitation.

When it does not snow in Three Springs?

In Three Springs, snow does not fall in May through September.

Does it snow in Three Springs in September?

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

What is the average length of the day in September in Three Springs?

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

When are sunrise and sunset in September in Three Springs?

On the first day of September in Three Springs, Pennsylvania, sunrise is at 6:40 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 6:55 pm EDT.

How many hours of sunshine does Three Springs have in September?

The average sunshine duration in September is 8.6h.

What is the UV index reading in September in Three Springs?

In September, the average daily maximum UV index in Three Springs, Pennsylvania, is 4. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to 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
Three Springs, PA

Average temperature in September - Three Springs, PA
  • Average high temperature in September: 74.3°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (32.9°F).

  • Average low temperature in September: 53.2°F

The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

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Average pressure in September
Three Springs, PA

Average pressure in September - Three Springs, 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
Three Springs, PA

Average wind speed in September - Three Springs, PA
  • Average wind speed in September: 4.8mph

The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average humidity in September
Three Springs, PA

Average humidity in September - Three Springs, PA
  • Average humidity in September: 79%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is July (75%).

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Average rainfall in September
Three Springs, PA

Average rainfall in September - Three Springs, PA
  • Average rainfall in September: 1.85"

The wettest month (with the highest rainfall) is May (3.07").
The driest month (with the least rainfall) is September (1.85").

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Average rainfall days in September
Three Springs, PA

Average rainfall days in September - Three Springs, PA
  • Average rainfall days in September: 12.8 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is February (9.5 days).

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Average snowfall in September
Three Springs, PA

Average snowfall in September - Three Springs, PA
  • Average snowfall in September: 0"

The month with the highest snowfall is January (5.24").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Three Springs, PA

Average snowfall days in September - Three Springs, PA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (12.2 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
Three Springs, PA

Average daylight in September / Average sunshine in September - Three Springs, 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 July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

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Average sunshine days in September
Three Springs, PA

Average sunshine days in September - Three Springs, PA
  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is May (10.7 days).

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Average UV index in September
Three Springs, PA

Average UV index in September - Three Springs, PA
  • Average UV index in September: 4

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

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Average cloud cover in September
Three Springs, PA

Average cloud cover in September - Three Springs, PA
  • Average cloud cover in September: 39

The month with the most cloud cover is January (Cloud cover 56).
The months with the least cloud cover are July and August (Cloud cover 34).

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Average visibility in September
Three Springs, PA

Average visibility in September - Three Springs, 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).

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Three Springs, Pennsylvania, USA

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