September weather forecast
West Berlin, NJ

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Weather in September

The first month of the autumn, September, is still a warm month in West Berlin, New Jersey, with an average temperature fluctuating between 61.2°F (16.2°C) and 76.6°F (24.8°C).

Temperature

September witnesses a gentle descent in average high-temperature, descending from August's 83.7°F (28.7°C) to a still moderately hot 76.6°F (24.8°C). September witnesses an average nighttime temperature of 61.2°F (16.2°C) in West Berlin.

Humidity

In West Berlin, the average relative humidity in September is 76%.

Rainfall

The months with the least rainfall are January and September Rain falls for 9.2 days and accumulates 0.67" (17mm) of rain.

Snowfall

April, June through October are months without snowfall.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of September, sunrise is at 6:28 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:43 pm EDT.

Sunshine

In September, the average sunshine in West Berlin is 8.9h.

UV index

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: An average UV index of 5 in September transforms into this advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A hat with a broad brim is indispensable, filtering out up to half of UV rays.

Frequently asked questions

What is the usual temperature for West Berlin in September?

In West Berlin, 76.6°F (24.8°C) is the average high-temperature and 61.2°F (16.2°C) is the average low-temperature during September. The average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in August is evaluated at 89.6°F (32°C).

What is the average humidity in September?

In West Berlin, the average relative humidity in September is 76%.

What is the driest month?

January and September are months with the least rain when the rain falls for 9.2 days and typically aggregates up to 0.67" (17mm) of rain.

How much does it rain in September?

In September, the rain falls for 9.2 days. Throughout September, 0.67" (17mm) of precipitation is accumulated.

When it does not snow?

In West Berlin, snow does not fall in April, June through October.

What is the average length of the day in September?

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

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:28 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 6:43 pm EDT.

How many hours of sunshine does West Berlin have in September?

In West Berlin, the average sunshine duration in September is 8.9h.

How high is the UV index in September?

In West Berlin, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe 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
West Berlin, NJ

Average temperature in September - West Berlin, NJ
  • Average high temperature in September: 76.6°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in September: 61.2°F

The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

Average pressure in September
West Berlin, NJ

Average pressure in September - West Berlin, NJ
  • Average pressure in September: 30.05"Hg

The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in September
West Berlin, NJ

Average wind speed in September - West Berlin, NJ
  • Average wind speed in September: 6.2mph

The windiest month (with the highest average wind speed) is April (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.7mph).

Average humidity in September
West Berlin, NJ

Average humidity in September - West Berlin, NJ
  • Average humidity in September: 76%

The month with the highest relative humidity is October (77%).
The month with the lowest relative humidity is April (71%).

Average rainfall in September
West Berlin, NJ

Average rainfall in September - West Berlin, NJ
  • Average rainfall in September: 0.67"

The wettest month (with the highest rainfall) is August (1.38").
The driest months (with the least rainfall) are January and September (0.67").

Average rainfall days in September
West Berlin, NJ

Average rainfall days in September - West Berlin, NJ
  • Average rainfall days in September: 9.2 days

The month with the highest number of rainy days is July (13.7 days).
The month with the least rainy days is January (6.5 days).

Average snowfall in September
West Berlin, NJ

Average snowfall in September - West Berlin, NJ
  • Average snowfall in September: 0"

The month with the highest snowfall is February (1.1").
The months with the least snowfall are April, June, July, August, September and October (0").

Average snowfall days in September
West Berlin, NJ

Average snowfall days in September - West Berlin, NJ
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (3.5 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
West Berlin, NJ

Average daylight in September / Average sunshine in September - West Berlin, NJ
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
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
West Berlin, NJ

Average sunshine days in September - West Berlin, NJ
  • Average sunshine days in September: 18.7 days

The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is July (14.3 days).

Average UV index in September
West Berlin, NJ

Average UV index in September - West Berlin, 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
West Berlin, NJ

Average cloud cover in September - West Berlin, NJ
  • Average cloud cover in September: 37

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
West Berlin, NJ

Average visibility in September - West Berlin, 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).

West Berlin, New Jersey, USA

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