September weather forecast
Osbornsville, NJ

Weather in September

The first month of the autumn, September, is still a warm month in Osbornsville, New Jersey, with an average temperature fluctuating between 64.6°F (18.1°C) and 73.6°F (23.1°C).

Temperature

In September, the average high-temperature marginally drops from 79.7°F (26.5°C) in August to a still moderately hot 73.6°F (23.1°C). The average low-temperature, in Osbornsville, is 64.6°F (18.1°C).

Humidity

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

Rainfall

In Osbornsville, during September, the rain falls for 12.3 days and regularly aggregates up to 1.46" (37mm) of precipitation. In Osbornsville, during the entire year, the rain falls for 137.7 days and collects up to 19.09" (485mm) of precipitation.

Snowfall

April through October are months without snowfall in Osbornsville.

Daylight

In September, the average length of the day is 12h and 26min.
On the first day of the month, sunrise is at 6:24 am and sunset at 7:28 pm. On the last day of September, in Osbornsville, sunrise is at 6:51 am and sunset at 6:40 pm EDT.

Sunshine

In Osbornsville, New Jersey, the average sunshine in September is 9h.

UV index

The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. 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 average humidity in September in Osbornsville?

The average relative humidity in September in Osbornsville, New Jersey, is 77%.

How many days does it rain in September in Osbornsville?

In Osbornsville, New Jersey, during September, the rain falls for 12.3 days and regularly aggregates up to 1.46" (37mm) of precipitation.

When it does not snow in Osbornsville?

April through October are months without snowfall in Osbornsville, New Jersey.

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

In Osbornsville, New Jersey, the average day length in September is 12h and 26min.

When are sunrise and sunset in September in Osbornsville?

In September, on the first day of the month, sunrise is at 6:24 am and sunset at 7:28 pm. On the last day of the month, in Osbornsville, New Jersey, sunrise is at 6:51 am and sunset at 6:40 pm EDT.

How long on average sun shines in September in Osbornsville?

The average sunshine duration in September in Osbornsville is 9h.

How high is the UV index in September in Osbornsville?

In Osbornsville, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Osbornsville, NJ

Average temperature in September - Osbornsville, NJ
  • Average high temperature in September: 73.6°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in September: 64.6°F

The month with the highest average low temperature is July (70.9°F).
The coldest month (with the lowest average low temperature) is January (29.1°F).

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Average pressure in September
Osbornsville, NJ

Average pressure in September - Osbornsville, 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).

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Average wind speed in September
Osbornsville, NJ

Average wind speed in September - Osbornsville, NJ
  • Average wind speed in September: 9.3mph

The windiest month (with the highest average wind speed) is January (12.2mph).
The calmest month (with the lowest average wind speed) is July (8mph).

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Average humidity in September
Osbornsville, NJ

Average humidity in September - Osbornsville, 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, March and November (74%).

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Average rainfall in September
Osbornsville, NJ

Average rainfall in September - Osbornsville, NJ
  • Average rainfall in September: 1.46"

The wettest month (with the highest rainfall) is July (2.56").
The driest month (with the least rainfall) is January (0.94").

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Average rainfall days in September
Osbornsville, NJ

Average rainfall days in September - Osbornsville, NJ
  • Average rainfall days in September: 12.3 days

The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is January (7 days).

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Average snowfall in September
Osbornsville, NJ

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

The month with the highest snowfall is January (0.91").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in September
Osbornsville, NJ

Average snowfall days in September - Osbornsville, 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).

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

Average daylight in September / Average sunshine in September - Osbornsville, NJ
  • Average daylight in September: 12h and 26min

The month with the longest days is June (Average daylight: 14h and 58min).
The month with the shortest days is December (Average daylight: 9h and 23min).

  • Average sunshine in September: 9h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

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Average sunshine days in September
Osbornsville, NJ

Average sunshine days in September - Osbornsville, NJ
  • Average sunshine days in September: 15.6 days

The month with the most sunshine days is January (20.2 days).
The month with the least sunshine days is July (11.9 days).

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Average UV index in September
Osbornsville, NJ

Average UV index in September - Osbornsville, 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).

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Average cloud cover in September
Osbornsville, NJ

Average cloud cover in September - Osbornsville, NJ
  • Average cloud cover in September: 33

The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 28).

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Average visibility in September
Osbornsville, NJ

Average visibility in September - Osbornsville, 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).

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