September weather forecast
Nunnery, PA

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Nunnery, Pennsylvania, with an average temperature ranging between min 55.9°F (13.3°C) and max 75°F (23.9°C).

Temperature

The beginning of September brings a slight decrease in the average high-temperature, transitioning from 81.9°F (27.7°C) in August to a still warm 75°F (23.9°C). The average nighttime temperature lowers to a refreshing 55.9°F (13.3°C) throughout September.

Humidity

In September, the average relative humidity is 79%.

Rainfall

The month with the least rainfall is September, when the rain falls for 12.8 days and typically collects 2.01" (51mm) of precipitation.

Snowfall

In Nunnery, snow does not fall in May through September.

Daylight

In Nunnery, Pennsylvania, the average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:39 am and sunset at 7:41 pm. On the last day of September, sunrise is at 7:06 am and sunset at 6:53 pm EDT.

Sunshine

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

UV index

In Nunnery, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Put precautions into practice - Guidance to elude sunburn is provided. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Nunnery in September?

Nunnery in September has an average high-temperature of 75°F (23.9°C) and an average low-temperature of 55.9°F (13.3°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in August is estimated at 87.8°F (31°C).

What is the average humidity in September?

The average relative humidity in September is 79%.

What is the driest month?

September is the month with the least rainfall. Rain falls for 12.8 days and accumulates 2.01" (51mm) of precipitation.

How much does it rain in Nunnery in September?

In Nunnery, during September, the rain falls for 12.8 days and regularly aggregates up to 2.01" (51mm) of precipitation.

When it does not snow?

May through September are months without snowfall.

Does it snow in September?

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

How many hours of daylight does Nunnery have in September?

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

What time are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:39 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:53 pm EDT.

How many hours of sunshine does Nunnery have in September?

In September, the average sunshine duration is 8.7h.

What is the UV index reading in September?

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

Average temperature in September - Nunnery, PA
  • Average high temperature in September: 75°F

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (35.8°F).

  • Average low temperature in September: 55.9°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).

Average pressure in September
Nunnery, PA

Average pressure in September - Nunnery, 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).

Average wind speed in September
Nunnery, PA

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

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).

Average humidity in September
Nunnery, PA

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

The month with the highest relative humidity is October (80%).
The month with the lowest relative humidity is July (75%).

Average rainfall in September
Nunnery, PA

Average rainfall in September - Nunnery, PA
  • Average rainfall in September: 2.01"

The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is September (2.01").

Average rainfall days in September
Nunnery, PA

Average rainfall days in September - Nunnery, PA
  • Average rainfall days in September: 12.8 days

The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is January (8.2 days).

Average snowfall in September
Nunnery, PA

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

The month with the highest snowfall is January (6.81").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in September
Nunnery, PA

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

The month with the highest number of snowfall days is January (9.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Nunnery, PA
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
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 30min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in September
Nunnery, PA

Average sunshine days in September - Nunnery, PA
  • Average sunshine days in September: 15.9 days

The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is May (10.6 days).

Average UV index in September
Nunnery, PA

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

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

Average cloud cover in September
Nunnery, PA

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

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is July (Cloud cover 33).

Average visibility in September
Nunnery, PA

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

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

Nunnery, Pennsylvania, USA

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