September weather forecast
Speers, PA

Weather in September

The first month of the autumn, September, is still a warm month in Speers, Pennsylvania, with an average temperature fluctuating between 75.4°F (24.1°C) and 55°F (12.8°C).

Temperature

In September, the average high-temperature marginally drops from 81.9°F (27.7°C) in August to a still moderately hot 75.4°F (24.1°C). In September, the average low-temperature is 55°F (12.8°C).

Humidity

In September, the average relative humidity in Speers is 78%.

Rainfall

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

Snowfall

In Speers, Pennsylvania, snow does not fall in June through September.

Daylight

In Speers, the average length of the day in September is 12h and 26min.
On the first day of September, sunrise is at 6:47 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 7:04 pm EDT.

Sunshine

The average sunshine in September in Speers is 8.7h.

UV index

In Speers, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The daily maximum UV index of 4 in September interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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FAQ

What is the temperature in September in Speers?

In September, in Speers, the average high-temperature is 75.4°F (24.1°C), and the average low-temperature is 55°F (12.8°C). in August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is computed to be 87.8°F (31°C).

What is the average humidity in September in Speers?

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

How many days does it rain in September in Speers?

In Speers, 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 Speers?

June through September are months without snowfall in Speers.

Does it snow in Speers in September?

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

What is the average length of the day in September in Speers?

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

When are sunrise and sunset in September in Speers?

On the first day of September in Speers, Pennsylvania, sunrise is at 6:47 am and sunset at 7:51 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 7:04 pm EDT.

How long on average sun shines in September in Speers?

In September, the average sunshine duration in Speers, Pennsylvania, is 8.7h.

How high is the UV index in September in Speers?

In Speers, Pennsylvania, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Speers, PA

Average temperature in September - Speers, 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).

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Average pressure in September
Speers, PA

Average pressure in September - Speers, 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).

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Average wind speed in September
Speers, PA

Average wind speed in September - Speers, 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).

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Average humidity in September
Speers, PA

Average humidity in September - Speers, 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%).

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Average rainfall in September
Speers, PA

Average rainfall in September - Speers, 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").

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Average rainfall days in September
Speers, PA

Average rainfall days in September - Speers, 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).

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Average snowfall in September
Speers, PA

Average snowfall in September - Speers, 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").

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Average snowfall days in September
Speers, PA

Average snowfall days in September - Speers, 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).

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

Average daylight in September / Average sunshine in September - Speers, PA
  • Average daylight in September: 12h and 26min

The month with the longest days is June (Average daylight: 14h and 59min).
The month with the shortest days is December (Average daylight: 9h and 22min).

  • Average sunshine in September: 8h and 42min

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).

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Average sunshine days in September
Speers, PA

Average sunshine days in September - Speers, 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).

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Average UV index in September
Speers, PA

Average UV index in September - Speers, 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).

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Average cloud cover in September
Speers, PA

Average cloud cover in September - Speers, 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).

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Average visibility in September
Speers, PA

Average visibility in September - Speers, 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).

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