September weather forecast and climate
Oakland, NJ

Weather in September

The first month of the autumn, September, is also a moderately hot month in Oakland, New Jersey, with temperature in the range of an average high of 74.5°F (23.6°C) and an average low of 56.7°F (13.7°C).

Temperature

In September, the average high-temperature slightly decreases, from a warm 81.3°F (27.4°C) in August, to a still moderately hot 74.5°F (23.6°C). In September, the average low-temperature is 56.7°F (13.7°C).

Humidity

In September, the average relative humidity is 77%.

Rainfall

September is the month with the least rainfall. Rain falls for 12.9 days and accumulates 1.5" (38mm) of precipitation.

Snowfall

In Oakland snow does not fall in June through September.

Daylight

The average length of the day in Oakland is 12.4h.

Sunshine

In Oakland, the average sunshine is 8.5h.

UV index

In September, the average daily maximum UV index in Oakland is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to the Sun's UV rays for average individuals.
Note: In September, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the temperature in September in Oakland?

The average high-temperature, in September, in Oakland, New Jersey, is 74.5°F (23.6°C), while the average low-temperature is 56.7°F (13.7°C).

What is the average humidity in September in Oakland?

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

How much does it rain in Oakland in September?

In September, the rain falls for 12.9 days. Throughout September, 1.5" (38mm) of precipitation is accumulated.

What is the driest month in Oakland?

The month with the least rainfall in Oakland is September when the rain falls for 12.9 days and typically collects 1.5" (38mm) of precipitation.

Does it snow in Oakland in September?

In Oakland, New Jersey, in September, it doesn't snow. In October, it regularly snows.

When it does not snow in Oakland?

June through September are months without snowfall in Oakland, New Jersey.

What is the average length of the day in September in Oakland?

In September, the average length of the day in Oakland is 12.4h.

How long on average sun shines in September in Oakland?

The average sunshine in September in Oakland is 8.5h.

What is the UV index reading in September in Oakland?

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health risk from unprotected exposure to the UV radiation.

Average temperature in September
Oakland, NJ

Average temperature in September - Oakland, NJ
  • Average high temperature in September: 74.5°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (34.5°F).

  • Average low temperature in September: 56.7°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (21.6°F).

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Average pressure in September
Oakland, NJ

Average pressure in September - Oakland, NJ
  • Average pressure in September: 30.06"

The month with the highest atmospheric pressure is November (30.11").
The month with the lowest atmospheric pressure is June (29.93").

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Average wind speed in September
Oakland, NJ

Average wind speed in September - Oakland, NJ
  • Average wind speed in September: 5.6mph

The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

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Average humidity in September
Oakland, NJ

Average humidity in September - Oakland, NJ
  • Average humidity in September: 77%

Months with the highest relative humidity are February and December (80%).
Months with the lowest relative humidity are April, July and August (74%).

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Average rainfall in September
Oakland, NJ

Average rainfall in September - Oakland, NJ
  • Average rainfall in September: 1.5"

The wettest month (with the highest rainfall) is July (2.91").
The driest month (with the least rainfall) is September (1.5").

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Average rainfall days in September
Oakland, NJ

Average rainfall days in September - Oakland, NJ
  • Average rainfall days in September: 12.9 days

The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (6.6 days).

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Average snowfall in September
Oakland, NJ

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

The month with the highest snowfall is March (4.25").
Months with the least snowfall are June, July, August and September (0").

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Average snowfall days in September
Oakland, NJ

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

The month with the highest number of snowfall days is February (7.3 days).
Months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Oakland, NJ
  • Average daylight in September: 12.4h

The month with the longest days is June (Average daylight: 15.1h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in September: 8.5h

The month with the most sunshine is July (Average sunshine: 10.2h).
The month with the least sunshine is February (Average sunshine: 4.4h).

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Average sunshine days in September
Oakland, NJ

Average sunshine days in September - Oakland, NJ
  • Average sunshine days in September: 15.3 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (11.9 days).

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Average UV index in September
Oakland, NJ

Average UV index in September - Oakland, NJ
  • Average UV index in September: 4

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

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Average cloud cover in September
Oakland, NJ

Average cloud cover in September - Oakland, NJ
  • Average cloud cover in September: 41

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 35).

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Average visibility in September
Oakland, NJ

Average visibility in September - Oakland, NJ
  • Average visibility in September: 5mi

Months with the highest visibility are January, March, April, July, August, October, November and December (6mi).
Months with the lowest visibility are February, May, June and September (5mi).

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