September weather forecastLong Branch, PA

September

Weather in September

September, the first month of the autumn in Long Branch, is also a moderately hot month, with an average temperature ranging between min 55°F (12.8°C) and max 75.4°F (24.1°C).

Temperature

During the shift to September, Long Branch records a mild decrease in average high-temperature, moving from 81.9°F (27.7°C) in August to a still moderately hot 75.4°F (24.1°C). In September, the nighttime temperature lowers to an average of 55°F (12.8°C).

Humidity

The average relative humidity in September is 78%.

Rainfall

In Long Branch, Pennsylvania, during September, the rain falls for 14.3 days and regularly aggregates up to 2.4" (61mm) of precipitation. In Long Branch, during the entire year, the rain falls for 191.3 days and collects up to 35.24" (895mm) of precipitation.

Snowfall

In Long Branch, snow does not fall in June through September.

Daylight

The average length of the day in September is 12h and 26min.
On the first day of September, sunrise is at 6:47 am and sunset at 7:50 pm. On the last day of the month, sunrise is at 7:15 am and sunset at 7:02 pm EDT.

Sunshine

In Long Branch, the average sunshine in September is 8.7h.

UV index

The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In September, a daily UV index of 4 turns into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Enhance your sun protection with tightly woven, yet airy clothing.

Updated: Jun 4, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The high-temperature, in September, in Long Branch, is 75.4°F (24.1°C), while the low-temperature averages to 55°F (12.8°C). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines relative humidity and air temperature, in August is calculated to be 87.8°F (31°C).

In September, the average relative humidity is 78%.

In Long Branch, Pennsylvania, in September, during 14.3 rainfall days, 2.4" (61mm) of precipitation is typically accumulated.

In Long Branch, snow does not fall in June through September.

In Long Branch, in September, it doesn't snow. In October, it regularly snows.

The average day length in September is 12h and 26min.

In September, on the first day of the month, sunrise is at 6:47 am and sunset at 7:50 pm. On the last day of the month, in Long Branch, sunrise is at 7:15 am and sunset at 7:02 pm EDT.

In September, the average sunshine duration is 8.7h.

In Long Branch, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

81.9°F

75.4°F

62.2°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

5mph

5.3mph

6.7mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

12.3

13.7

12.7

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Long Branch, PA

Average high temperature in September: 75.4°F

The warmest month (with the highest average high temperature) is July (82.9°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 (61.5°F).
The coldest month (with the lowest average low temperature) is January (21.2°F).

Average pressure in September
Long Branch, PA

Average pressure in September: 30.05"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in September
Long Branch, PA

Average wind speed in September: 5mph

The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

Average humidity in September
Long Branch, PA

Average humidity in September: 78%

The months with the highest relative humidity are January and February (84%).
The month with the lowest relative humidity is August (76%).

Average rainfall in September
Long Branch, PA

Average rainfall in September: 2.4"

The wettest month (with the highest rainfall) is May (3.78").
The driest month (with the least rainfall) is November (2.13").

Average rainfall days in September
Long Branch, PA

Average rainfall days in September: 14.3 days

The month with the highest number of rainy days is May (21.8 days).
The months with the least rainy days are January and February (11.7 days).

Average snowfall in September
Long Branch, PA

Average snowfall in September: 0"

The month with the highest snowfall is January (6.26").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Long Branch, PA

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Long Branch, PA

Average daylight in September: 12h and 24min

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 42min

The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).