September weather forecast
New Jerusalem, PA

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Weather in September

September, the first month of the autumn in New Jerusalem, is also a moderately hot month, with temperature in the range of an average low of 55°F (12.8°C) and an average high of 74.3°F (23.5°C).

Temperature

The beginning of September brings a slight decrease in the average high-temperature, transitioning from a moderately hot 81.1°F (27.3°C) in August to a still warm 74.3°F (23.5°C). Throughout the nights in September, an average low-temperature of 55°F (12.8°C) is noted.

Humidity

In New Jerusalem, the average relative humidity in September 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

In New Jerusalem, snow does not fall in May through September.

Daylight

The average length of the day in September is 12h and 27min.
On the first day of the month, sunrise is at 6:31 am and sunset at 7:34 pm. On the last day of September, sunrise is at 6:59 am and sunset at 6:46 pm EDT.

Sunshine

In New Jerusalem, the average sunshine in September is 8.8h.

UV index

The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.
Note: The daily high UV index of 4 during September translates into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Updated: Aug 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for New Jerusalem in September?

The high-temperature during September is 74.3°F (23.5°C) and the low-temperature is 55°F (12.8°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in August is calculated to be 86°F (30°C).

What is the average humidity in September?

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

What is the driest month?

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

How many days does it rain in September?

In New Jerusalem, during September, the rain falls for 11.5 days and regularly aggregates up to 1.54" (39mm) of precipitation.

When it does not snow?

In New Jerusalem, snow does not fall in May through September.

Does it snow in September?

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

How many hours of daylight does New Jerusalem have in September?

The average day length in September is 12h and 27min.

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:31 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:46 pm EDT.

How many hours of sunshine does New Jerusalem have in September?

In September, the average sunshine duration is 8.8h.

How high is the UV index in September?

In New Jerusalem, the average daily maximum UV index in September is 4. 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
New Jerusalem, PA

Average temperature in September - New Jerusalem, 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).

Average pressure in September
New Jerusalem, PA

Average pressure in September - New Jerusalem, PA
  • Average pressure in September: 30.06"Hg

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

Average wind speed in September
New Jerusalem, PA

Average wind speed in September - New Jerusalem, 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).

Average humidity in September
New Jerusalem, PA

Average humidity in September - New Jerusalem, 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%).

Average rainfall in September
New Jerusalem, PA

Average rainfall in September - New Jerusalem, 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").

Average rainfall days in September
New Jerusalem, PA

Average rainfall days in September - New Jerusalem, 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).

Average snowfall in September
New Jerusalem, PA

Average snowfall in September - New Jerusalem, PA
  • Average snowfall in September: 0"

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

Average snowfall days in September
New Jerusalem, PA

Average snowfall days in September - New Jerusalem, PA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (7.8 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
New Jerusalem, PA

Average daylight in September / Average sunshine in September - New Jerusalem, 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 18min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in September
New Jerusalem, PA

Average sunshine days in September - New Jerusalem, 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).

Average UV index in September
New Jerusalem, PA

Average UV index in September - New Jerusalem, PA
  • Average UV index in September: 4

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

Average cloud cover in September
New Jerusalem, PA

Average cloud cover in September - New Jerusalem, PA
  • Average cloud cover in September: 38

The 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).

Average visibility in September
New Jerusalem, PA

Average visibility in September - New Jerusalem, PA
  • Average visibility in September: 5mi

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

New Jerusalem, Pennsylvania, USA

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