September weather forecast
Changewater, NJ

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Changewater, New Jersey, 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 start of September involves a subtle temperature drop, shifting from a warm 81.1°F (27.3°C) in August to a still moderately hot 74.3°F (23.5°C). Throughout the month of September, Changewater expects an average low of 55°F (12.8°C).

Humidity

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

Rainfall

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

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 27min.
On the first day of September, sunrise is at 6:27 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:43 pm EDT.

Sunshine

The average sunshine in September in Changewater is 8.6h.

UV index

The average daily maximum UV index in September in Changewater is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The daily high UV index of 4 during September translates into the following recommendations:
Take precautions - Protection against sunburn is recommended. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Changewater in September?

The average high-temperature and low-temperature during September are 74.3°F (23.5°C) and 55°F (12.8°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in August is evaluated at 86°F (30°C).

What is the average humidity in September in Changewater?

In September, the average relative humidity is 79%.

What is the driest month in Changewater?

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 much does it rain in Changewater in September?

In September, in Changewater, New Jersey, the rain falls for 11.5 days. Throughout September, 1.54" (39mm) of precipitation is accumulated.

When it does not snow in Changewater?

June through September are months without snowfall in Changewater.

Does it snow in Changewater in September?

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

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

In Changewater, the average day length in September is 12h and 27min.

What time are sunrise and sunset in September in Changewater?

On the first day of September, sunrise is at 6:27 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:43 pm EDT.

How long on average sun shines in September in Changewater?

The average sunshine duration in September in Changewater, New Jersey, is 8.6h.

What is the UV index intensity in September in Changewater?

In Changewater, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents 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
Changewater, NJ

Average temperature in September - Changewater, NJ
  • Average high temperature in September: 74.3°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (34°F).

  • Average low temperature in September: 55°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

Average pressure in September
Changewater, NJ

Average pressure in September - Changewater, NJ
  • Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in September
Changewater, NJ

Average wind speed in September - Changewater, NJ
  • Average wind speed in September: 5.5mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).

Average humidity in September
Changewater, NJ

Average humidity in September - Changewater, NJ
  • Average humidity in September: 79%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is April (76%).

Average rainfall in September
Changewater, NJ

Average rainfall in September - Changewater, NJ
  • Average rainfall in September: 1.54"

The wettest month (with the highest rainfall) is July (2.87").
The driest month (with the least rainfall) is September (1.54").

Average rainfall days in September
Changewater, NJ

Average rainfall days in September - Changewater, NJ
  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is May (16.5 days).
The month with the least rainy days is January (8.1 days).

Average snowfall in September
Changewater, NJ

Average snowfall in September - Changewater, NJ
  • 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").

Average snowfall days in September
Changewater, NJ

Average snowfall days in September - Changewater, NJ
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Changewater, NJ

Average daylight in September / Average sunshine in September - Changewater, NJ
  • Average daylight in September: 12h and 3min

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 4min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in September
Changewater, NJ

Average sunshine days in September - Changewater, NJ
  • Average sunshine days in September: 15.8 days

The month with the most sunshine days is November (17.5 days).
The month with the least sunshine days is April (11.8 days).

Average UV index in September
Changewater, NJ

Average UV index in September - Changewater, NJ
  • 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
Changewater, NJ

Average cloud cover in September - Changewater, NJ
  • Average cloud cover in September: 40

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 34).

Average visibility in September
Changewater, NJ

Average visibility in September - Changewater, NJ
  • Average visibility in September: 5mi

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

Changewater, New Jersey, USA

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