September weather forecast
Ortley Beach, NJ

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Weather in September

September, the first month of the autumn in Ortley Beach, is still a pleasant month, with an average temperature ranging between min 66°F (18.9°C) and max 72.5°F (22.5°C).

Temperature

A mild drop in Ortley Beach's average high-temperature is observed in September, transitioning from a warm 78.4°F (25.8°C) in August to a pleasant 72.5°F (22.5°C). In Ortley Beach, September nights experience a modest descent in temperature from daily peaks, cooling down to an average of 66°F (18.9°C).

Humidity

In September, the average relative humidity is 77%.

Rainfall

In September, the rain falls for 12.5 days. Throughout September, 2.09" (53mm) of precipitation is accumulated. In Ortley Beach, during the entire year, the rain falls for 155 days and collects up to 33.23" (844mm) of precipitation.

Snowfall

In Ortley Beach, snow does not fall in May through October.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:24 am and sunset at 7:27 pm. On the last day of September, in Ortley Beach, sunrise is at 6:52 am and sunset at 6:39 pm EDT.

Sunshine

The average sunshine in September in Ortley Beach is 9h.

UV index

In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Updated: Jul 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

Ortley Beach in September has an average high-temperature of 72.5°F (22.5°C) and an average low-temperature of 66°F (18.9°C).

What is the average humidity in September?

In September, the average relative humidity is 77%.

How many days does it rain in September?

In Ortley Beach, in September, during 12.5 rainfall days, 2.09" (53mm) of precipitation is typically accumulated.

When it does not snow?

May through October are months without snowfall.

How many hours of daylight does Ortley Beach have in September?

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

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:24 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:39 pm EDT.

How many hours of sunshine does Ortley Beach have in September?

In September, the average sunshine duration is 9h.

What is the UV index intensity in September?

In Ortley Beach, New Jersey, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health threat 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
Ortley Beach, NJ

Average temperature in September - Ortley Beach, NJ
  • Average high temperature in September: 72.5°F

The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in September: 66°F

The month with the highest average low temperature is August (71.6°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).

Average pressure in September
Ortley Beach, NJ

Average pressure in September - Ortley Beach, 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
Ortley Beach, NJ

Average wind speed in September - Ortley Beach, NJ
  • Average wind speed in September: 10.3mph

The windiest month (with the highest average wind speed) is January (13.5mph).
The calmest month (with the lowest average wind speed) is July (8.8mph).

Average humidity in September
Ortley Beach, NJ

Average humidity in September - Ortley Beach, NJ
  • Average humidity in September: 77%

The months with the highest relative humidity are May and June (81%).
The months with the lowest relative humidity are January and November (74%).

Average rainfall in September
Ortley Beach, NJ

Average rainfall in September - Ortley Beach, NJ
  • Average rainfall in September: 2.09"

The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is January (2.01").

Average rainfall days in September
Ortley Beach, NJ

Average rainfall days in September - Ortley Beach, NJ
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is January (9 days).

Average snowfall in September
Ortley Beach, NJ

Average snowfall in September - Ortley Beach, NJ
  • Average snowfall in September: 0"

The month with the highest snowfall is January (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Ortley Beach, NJ

Average snowfall days in September - Ortley Beach, NJ
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (4.4 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
Ortley Beach, NJ

Average daylight in September / Average sunshine in September - Ortley Beach, 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: 9h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days in September
Ortley Beach, NJ

Average sunshine days in September - Ortley Beach, NJ
  • Average sunshine days in September: 15.7 days

The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (13.1 days).

Average UV index in September
Ortley Beach, NJ

Average UV index in September - Ortley Beach, NJ
  • Average UV index in September: 5

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

Average cloud cover in September
Ortley Beach, NJ

Average cloud cover in September - Ortley Beach, NJ
  • Average cloud cover in September: 33

The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 28).

Average visibility in September
Ortley Beach, NJ

Average visibility in September - Ortley Beach, 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).

Ortley Beach, New Jersey, USA

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