September weather forecast
Oliver, PA

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Weather in September

September, the first month of the autumn in Oliver, is still a warm month, with an average temperature varying between 74.5°F (23.6°C) and 54.1°F (12.3°C).

Temperature

In the transition to September, Oliver observes a minor drop in the average high-temperature, shifting from 80.6°F (27°C) in August to a still moderately hot 74.5°F (23.6°C). The average low-temperature of 54.1°F (12.3°C) is witnessed during September.

Humidity

The months with the lowest humidity are April, June through September and November, with an average relative humidity of 78%.

Rainfall

In Oliver, in September, it is raining for 15.3 days, with typically 2.2" (56mm) of accumulated precipitation. In Oliver, during the entire year, the rain falls for 168.2 days and collects up to 29.8" (757mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of the month, sunrise is at 6:47 am and sunset at 7:49 pm. On the last day of September, in Oliver, sunrise is at 7:14 am and sunset at 7:02 pm EDT.

Sunshine

In September, the average sunshine in Oliver is 8.7h.

UV index

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 4 in September transforms into the following instructions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
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Frequently asked questions

What is the temperature in September in Oliver?

In Oliver, in September, the average high-temperature is 74.5°F (23.6°C), and the average low-temperature is 54.1°F (12.3°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is evaluated at 86°F (30°C).

What is the least humid month in Oliver?

The months with the lowest humidity are April, June through September and November, with an average relative humidity of 78%.

What is the average humidity in September in Oliver?

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

How much does it rain in Oliver in September?

In Oliver, in September, during 15.3 rainfall days, 2.2" (56mm) of precipitation is typically accumulated.

When it does not snow in Oliver?

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

Does it snow in Oliver in September?

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

How many hours of daylight does Oliver have in September?

The average day length in September in Oliver, Pennsylvania, is 12h and 26min.

When are sunrise and sunset in September in Oliver?

On the first day of September in Oliver, Pennsylvania, sunrise is at 6:47 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 7:02 pm EDT.

How long on average sun shines in September in Oliver?

The average sunshine duration in September is 8.7h.

How high is the UV index in September in Oliver?

The average daily maximum UV index in September in Oliver is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from exposure to the Sun's 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
Oliver, PA

Average temperature in September - Oliver, PA
  • Average high temperature in September: 74.5°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34°F).

  • Average low temperature in September: 54.1°F

The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (21°F).

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Average pressure in September
Oliver, PA

Average pressure in September - Oliver, 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
Oliver, PA

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

The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

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Average humidity in September
Oliver, PA

Average humidity in September - Oliver, PA
  • Average humidity in September: 78%

The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, June, July, August, September and November (78%).

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Average rainfall in September
Oliver, PA

Average rainfall in September - Oliver, PA
  • Average rainfall in September: 2.2"

The wettest month (with the highest rainfall) is May (3.7").
The driest month (with the least rainfall) is November (1.3").

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Average rainfall days in September
Oliver, PA

Average rainfall days in September - Oliver, PA
  • Average rainfall days in September: 15.3 days

The month with the highest number of rainy days is May (20.2 days).
The month with the least rainy days is January (7.8 days).

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Average snowfall in September
Oliver, PA

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

The month with the highest snowfall is February (3.82").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Oliver, PA

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

The months with the highest number of snowfall days are January and February (8.8 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
Oliver, PA

Average daylight in September / Average sunshine in September - Oliver, 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 August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

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Average sunshine days in September
Oliver, PA

Average sunshine days in September - Oliver, PA
  • Average sunshine days in September: 13 days

The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (8.9 days).

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Average UV index in September
Oliver, PA

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

The month with the highest UV index is July (UV index 6).
The 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
Oliver, PA

Average cloud cover in September - Oliver, PA
  • Average cloud cover in September: 39

The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 36).

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Average visibility in September
Oliver, PA

Average visibility in September - Oliver, 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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Oliver, Pennsylvania, USA

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