September weather forecast
Ong, NJ

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Ong, New Jersey, with an average temperature ranging between min 61.3°F (16.3°C) and max 76.1°F (24.5°C).

Temperature

The commencement of September includes a gentle temperature shift, with the average high-temperature dropping a bit from 82.9°F (28.3°C) in August to a still moderately hot 76.1°F (24.5°C). Ong's average low-temperature in the month of September is recorded at an enjoyable 61.3°F (16.3°C).

Humidity

The average relative humidity in September is 78%.

Rainfall

In September, in Ong, the rain falls for 10.1 days. Throughout September, 0.71" (18mm) of precipitation is accumulated. Throughout the year, there are 120.9 rainfall days, and 12.8" (325mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In Ong, the average length of the day in September is 12h and 26min.
On the first day of September, sunrise is at 6:27 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:42 pm EDT.

Sunshine

In Ong, New Jersey, the average sunshine in September is 8.9h.

UV index

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 5 in September translates into this advice:
Put precautions into practice - Protective measures against sun-induced damage are advised. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Updated: Aug 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

The high-temperature, in September, in Ong, is 76.1°F (24.5°C), while the low-temperature averages to 61.3°F (16.3°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, in August is computed to be 89.6°F (32°C).

What is the average humidity in September?

In September, the average relative humidity is 78%.

How much does it rain in September?

In Ong, in September, during 10.1 rainfall days, 0.71" (18mm) of precipitation is typically accumulated.

When it does not snow in Ong?

In Ong, snow does not fall in May through October.

How many hours of daylight does Ong have in September?

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

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:27 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:42 pm EDT.

How long on average sun shines in September?

In September, the average sunshine duration is 8.9h.

What is the UV index intensity in September?

In Ong, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate vulnerability 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
Ong, NJ

Average temperature in September - Ong, NJ
  • Average high temperature in September: 76.1°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in September: 61.3°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

Average pressure in September
Ong, NJ

Average pressure in September - Ong, NJ
  • Average pressure in September: 30.05"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
Ong, NJ

Average wind speed in September - Ong, NJ
  • Average wind speed in September: 6.5mph

The windiest months (with the highest average wind speed) are February, March and April (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.8mph).

Average humidity in September
Ong, NJ

Average humidity in September - Ong, NJ
  • Average humidity in September: 78%

The month with the highest relative humidity is June (79%).
The month with the lowest relative humidity is April (72%).

Average rainfall in September
Ong, NJ

Average rainfall in September - Ong, NJ
  • Average rainfall in September: 0.71"

The wettest month (with the highest rainfall) is July (1.69").
The driest month (with the least rainfall) is January (0.59").

Average rainfall days in September
Ong, NJ

Average rainfall days in September - Ong, NJ
  • Average rainfall days in September: 10.1 days

The month with the highest number of rainy days is July (14.6 days).
The month with the least rainy days is January (5.8 days).

Average snowfall in September
Ong, NJ

Average snowfall in September - Ong, NJ
  • Average snowfall in September: 0"

The month with the highest snowfall is March (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Ong, NJ

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

The month with the highest number of snowfall days is January (4.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in September / Average sunshine in September - Ong, NJ
  • 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 5min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days in September
Ong, NJ

Average sunshine days in September - Ong, NJ
  • Average sunshine days in September: 17 days

The months with the most sunshine days are January and November (21.3 days).
The month with the least sunshine days is July (13 days).

Average UV index in September
Ong, NJ

Average UV index in September - Ong, NJ
  • Average UV index in September: 5

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

Average cloud cover in September
Ong, NJ

Average cloud cover in September - Ong, NJ
  • Average cloud cover in September: 36

The months with the most cloud cover are February and March (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 31).

Average visibility in September
Ong, NJ

Average visibility in September - Ong, NJ
  • Average visibility in September: 6mi

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

Ong, New Jersey, USA

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