September weather forecast
Kempton, PA

Weather in September

The first month of the autumn, September, is also a moderately hot month in Kempton, Pennsylvania, with average temperature ranging between min 55°F (12.8°C) and max 74.3°F (23.5°C).

Temperature

In September, the average high-temperature slightly decreases, from a moderately hot 81.1°F (27.3°C) in August, to a still warm 74.3°F (23.5°C). The average low-temperature,, is 55°F (12.8°C).

Humidity

The average relative humidity in Kempton is 79%.

Rainfall

The month with the least rainfall is September when the rain falls for 11.5 days and typically collects 1.54" (39mm) of precipitation.

Snowfall

May through September are months without snowfall in Kempton.

Daylight

In Kempton, the average length of the day is 12.4h.

Sunshine

The average sunshine in Kempton is 8.8h.

UV index

In Kempton, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to the Sun's UV rays for the ordinary person.
Note: In September, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the average humidity in September in Kempton?

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

What is the driest month in Kempton?

September is the month with the least rainfall in Kempton, Pennsylvania. Rain falls for 11.5 days and accumulates 1.54" (39mm) of precipitation.

How many days does it rain in September in Kempton?

In Kempton, Pennsylvania, in September, it is raining for 11.5 days, with typically 1.54" (39mm) of accumulated precipitation.

When it does not snow in Kempton?

In Kempton snow does not fall in May through September.

Does it snow in Kempton in September?

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

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

In September, the average length of the day in Kempton, Pennsylvania, is 12.4h.

How long on average sun shines in September in Kempton?

In Kempton, Pennsylvania, the average sunshine in September is 8.8h.

What is the UV index reading in September in Kempton?

In September, the average daily maximum UV index in Kempton is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV rays.

Average temperature in September
Kempton, PA

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

The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (34.3°F).

  • Average low temperature in September: 55°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (21.9°F).

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Average pressure in September
Kempton, PA

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

The month with the highest atmospheric pressure is November (30.12").
The month with the lowest atmospheric pressure is June (29.94").

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Average wind speed in September
Kempton, PA

Average wind speed in September - Kempton, PA
  • Average wind speed in September: 5.4mph

The windiest month (with the highest average wind speed) is March (8.2mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

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Average humidity in September
Kempton, PA

Average humidity in September - Kempton, PA
  • Average humidity in September: 79%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is April (76%).

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Average rainfall in September
Kempton, PA

Average rainfall in September - Kempton, PA
  • Average rainfall in September: 1.54"

The wettest month (with the highest rainfall) is August (2.8").
The driest month (with the least rainfall) is September (1.54").

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Average rainfall days in September
Kempton, PA

Average rainfall days in September - Kempton, PA
  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (7.2 days).

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Average snowfall in September
Kempton, PA

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

The month with the highest snowfall is January (4.02").
Months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Kempton, PA

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

The month with the highest number of snowfall days is January (7.8 days).
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
Kempton, PA

Average daylight in September / Average sunshine in September - Kempton, PA
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in September: 8.8h

The month with the most sunshine is July (Average sunshine: 10.4h).
The month with the least sunshine is February (Average sunshine: 4.5h).

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Average sunshine days in September
Kempton, PA

Average sunshine days in September - Kempton, PA
  • Average sunshine days in September: 16.1 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is May (11 days).

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Average UV index in September
Kempton, PA

Average UV index in September - Kempton, PA
  • Average UV index in September: 4

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

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Average cloud cover in September
Kempton, PA

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

Months with the most cloud cover are February and December (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 32).

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Average visibility in September
Kempton, PA

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

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

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