September weather forecast
Sea Girt, NJ

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Weather in September

September, the first month of the autumn in Sea Girt, is also an agreeable month, with an average temperature fluctuating between 72.5°F (22.5°C) and 65.1°F (18.4°C).

Temperature

With the beginning of September, the average high-temperature shows a small decrease, transitioning from a warm 78.6°F (25.9°C) in August to an agreeable 72.5°F (22.5°C). An average temperature of 65.1°F (18.4°C) is logged during the nights of September, a small step down from daytime highs.

Humidity

In September, the average relative humidity is 77%.

Rainfall

In Sea Girt, in September, it is raining for 13 days, with typically 2.17" (55mm) of accumulated precipitation. Throughout the year, there are 158.1 rainfall days, and 34.13" (867mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

In Sea Girt, the average length of the day in September is 12h and 26min.
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.

Sunshine

The average sunshine in September is 9h.

UV index

In September, the average daily maximum UV index in Sea Girt is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, a regular UV index of 5 translates into these guidelines:
Exercise prevention - Warding off sunburn is urged. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.

Frequently asked questions

What is the average September temperature?

The high-temperature during September is 72.5°F (22.5°C) and the low-temperature is 65.1°F (18.4°C).

What is the average humidity in September?

In Sea Girt, the average relative humidity in September is 77%.

How much does it rain in September?

In Sea Girt, New Jersey, during September, the rain falls for 13 days and regularly aggregates up to 2.17" (55mm) of precipitation.

When it does not snow?

May through October are months without snowfall.

How many hours of daylight does Sea Girt have in September?

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 6:24 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 Sea Girt have in September?

The average sunshine duration in September is 9h.

What is the UV index reading in September?

The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health risk 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
Sea Girt, NJ

Average temperature in September - Sea Girt, NJ
  • Average high temperature in September: 72.5°F

The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in September: 65.1°F

The months with the highest average low temperature are July and August (71.2°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).

Average pressure in September
Sea Girt, NJ

Average pressure in September - Sea Girt, 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
Sea Girt, NJ

Average wind speed in September - Sea Girt, NJ
  • Average wind speed in September: 9.8mph

The windiest month (with the highest average wind speed) is January (13mph).
The calmest month (with the lowest average wind speed) is July (8.5mph).

Average humidity in September
Sea Girt, NJ

Average humidity in September - Sea Girt, NJ
  • Average humidity in September: 77%

The months with the highest relative humidity are May and June (80%).
The months with the lowest relative humidity are January and November (74%).

Average rainfall in September
Sea Girt, NJ

Average rainfall in September - Sea Girt, NJ
  • Average rainfall in September: 2.17"

The wettest month (with the highest rainfall) is July (3.78").
The driest month (with the least rainfall) is January (2.05").

Average rainfall days in September
Sea Girt, NJ

Average rainfall days in September - Sea Girt, NJ
  • Average rainfall days in September: 13 days

The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is January (9.3 days).

Average snowfall in September
Sea Girt, NJ

Average snowfall in September - Sea Girt, NJ
  • Average snowfall in September: 0"

The month with the highest snowfall is January (1.3").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Sea Girt, NJ

Average snowfall days in September - Sea Girt, NJ
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (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
Sea Girt, NJ

Average daylight in September / Average sunshine in September - Sea Girt, 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
Sea Girt, NJ

Average sunshine days in September - Sea Girt, NJ
  • Average sunshine days in September: 15.4 days

The month with the most sunshine days is November (17.6 days).
The month with the least sunshine days is July (12.8 days).

Average UV index in September
Sea Girt, NJ

Average UV index in September - Sea Girt, 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, November and December (UV index 2).

Average cloud cover in September
Sea Girt, NJ

Average cloud cover in September - Sea Girt, NJ
  • Average cloud cover in September: 33

The months with the most cloud cover are February and December (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 27).

Average visibility in September
Sea Girt, NJ

Average visibility in September - Sea Girt, 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).

Sea Girt, New Jersey, USA

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