September weather forecast
McElhattan, PA

Weather in September

September, the first month of the autumn in McElhattan, is still a pleasant month, with an average temperature ranging between min 51.1°F (10.6°C) and max 72.3°F (22.4°C).

Temperature

In September, the average high-temperature slightly decreases from a warm 79.5°F (26.4°C) in August to a pleasant 72.3°F (22.4°C). In September, the average low-temperature is 51.1°F (10.6°C).

Humidity

In September, the average relative humidity in McElhattan is 80%.

Rainfall

In September, the rain falls for 13 days. Throughout September, 2.4" (61mm) of precipitation is accumulated. Throughout the year, in McElhattan, there are 174.7 rainfall days, and 32.09" (815mm) of precipitation is accumulated.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 28min.
On the first day of the month, sunrise is at 6:36 am and sunset at 7:42 pm. On the last day of September, sunrise is at 7:05 am and sunset at 6:53 pm EDT.

Sunshine

The average sunshine in September in McElhattan is 8.4h.

UV index

In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The daily maximum UV index of 3 in September interpret into the following advice:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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 average humidity in September in McElhattan?

In September, the average relative humidity in McElhattan is 80%.

How many days does it rain in September in McElhattan?

In McElhattan, Pennsylvania, in September, during 13 rainfall days, 2.4" (61mm) of precipitation is typically accumulated.

When it does not snow in McElhattan?

June through September are months without snowfall in McElhattan.

Does it snow in McElhattan in September?

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

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

The average day length in September is 12h and 28min.

When are sunrise and sunset in September in McElhattan?

On the first day of September, sunrise is at 6:36 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 6:53 pm EDT.

How long on average sun shines in September in McElhattan?

In McElhattan, Pennsylvania, the average sunshine duration in September is 8.4h.

What is the UV index reading in September in McElhattan?

In McElhattan, the average daily maximum UV index in September is 3. 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
McElhattan, PA

Average temperature in September - McElhattan, PA
  • Average high temperature in September: 72.3°F

The warmest month (with the highest average high temperature) is July (82.2°F).
The month with the lowest average high temperature is January (30.9°F).

  • Average low temperature in September: 51.1°F

The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).

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Average pressure in September
McElhattan, PA

Average pressure in September - McElhattan, PA
  • Average pressure in September: 30.07"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in September
McElhattan, PA

Average wind speed in September - McElhattan, PA
  • Average wind speed in September: 5.2mph

The windiest months (with the highest average wind speed) are January and April (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in September
McElhattan, PA

Average humidity in September - McElhattan, PA
  • Average humidity in September: 80%

The months with the highest relative humidity are February and December (84%).
The months with the lowest relative humidity are April, June and July (77%).

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Average rainfall in September
McElhattan, PA

Average rainfall in September - McElhattan, PA
  • Average rainfall in September: 2.4"

The wettest month (with the highest rainfall) is April (3.54").
The driest month (with the least rainfall) is November (2.09").

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Average rainfall days in September
McElhattan, PA

Average rainfall days in September - McElhattan, PA
  • Average rainfall days in September: 13 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (10.3 days).

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Average snowfall in September
McElhattan, PA

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

The month with the highest snowfall is February (7.13").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
McElhattan, PA

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

The month with the highest number of snowfall days is January (15.4 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
McElhattan, PA

Average daylight in September / Average sunshine in September - McElhattan, PA
  • Average daylight in September: 12h and 28min

The month with the longest days is June (Average daylight: 15h and 5min).
The month with the shortest days is December (Average daylight: 9h and 16min).

  • Average sunshine in September: 8h and 24min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).

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Average sunshine days in September
McElhattan, PA

Average sunshine days in September - McElhattan, PA
  • Average sunshine days in September: 15.5 days

The month with the most sunshine days is September (15.5 days).
The month with the least sunshine days is February (8.8 days).

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Average UV index in September
McElhattan, PA

Average UV index in September - McElhattan, PA
  • Average UV index in September: 3

The month with the highest UV index is 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
McElhattan, PA

Average cloud cover in September - McElhattan, PA
  • Average cloud cover in September: 43

The months with the most cloud cover are January and December (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 37).

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Average visibility in September
McElhattan, PA

Average visibility in September - McElhattan, PA
  • Average visibility in September: 4mi

The months with the highest visibility are January, March, April, May, June, July, August, October and November (5mi).
The months with the lowest visibility are February, September and December (4mi).

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