September weather forecast and climate
Rivercrest Manor, NJ

September, the first month of the autumn, in Rivercrest Manor, is also a moderately hot month, with average temperature ranging between min 64.4°F (18°C) and max 73.8°F (23.2°C).

Temperature

In September, the average high-temperature marginally drops, from a moderately hot 79.9°F (26.6°C) in August, to a still warm 73.8°F (23.2°C). The average low-temperature, in September, is 64.4°F (18°C).

Humidity

The average relative humidity in Rivercrest Manor is 77%.

Rainfall

In Rivercrest Manor, during 11.7 rainfall days, 1.14" (29mm) of precipitation is typically accumulated. In Rivercrest Manor, during the entire year, the rain falls for 129.4 days and collects up to 15.31" (389mm) of precipitation.

Snowfall

April through October are months without snowfall.

Daylight

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

Sunshine

The average sunshine in Rivercrest Manor is 9h.

UV index

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from the exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the average maximum UV index of 5 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in September in Rivercrest Manor?

In September, the average high-temperature is 73.8°F (23.2°C), and the average low-temperature is 64.4°F (18°C).

What is the average humidity in September in Rivercrest Manor?

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

How much does it rain in Rivercrest Manor in September?

In September, the rain falls for 11.7 days. Throughout September, 1.14" (29mm) of precipitation is accumulated.

When it does not snow in Rivercrest Manor?

In Rivercrest Manor snow does not fall in April through October.

What is the average length of the day in September in Rivercrest Manor?

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

How long on average sun shines in September in Rivercrest Manor?

The average sunshine in September is 9h.

How high is the UV index in September in Rivercrest Manor?

In Rivercrest Manor, New Jersey, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to the UV radiation.
Average temperature in September - Rivercrest Manor, NJ
  • Average high temperature in September: 73.8°F

The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in September: 64.4°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

Average pressure in September - Rivercrest Manor, NJ
  • Average pressure in September: 30.05"

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

Average wind speed in September - Rivercrest Manor, NJ
  • Average wind speed in September: 9mph

The windiest month (with the highest average wind speed) is January (11.9mph).
The calmest months (with the lowest average wind speed) are July and August (7.8mph).

Average humidity in September - Rivercrest Manor, NJ
  • Average humidity in September: 77%

Months with the highest relative humidity are May and June (80%).
Months with the lowest relative humidity are January, March and November (74%).

Average rainfall in September - Rivercrest Manor, NJ
  • Average rainfall in September: 1.14"

The wettest month (with the highest rainfall) is July (1.97").
The driest month (with the least rainfall) is January (0.79").

Average rainfall days in September - Rivercrest Manor, NJ
  • Average rainfall days in September: 11.7 days

The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is January (6.9 days).

Average snowfall in September - Rivercrest Manor, NJ
  • Average snowfall in September: 0"

The month with the highest snowfall is December (0.75").
Months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in September - Rivercrest Manor, NJ
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (4.3 days).
Months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.4h).

  • Average sunshine in September: 9h

The month with the most sunshine is July (Average sunshine: 10.7h).
The month with the least sunshine is February (Average sunshine: 4.9h).

Average sunshine days in September - Rivercrest Manor, NJ
  • Average sunshine days in September: 16.1 days

The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (13.9 days).

Average UV index in September - Rivercrest Manor, NJ
  • Average UV index in September: 5

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

Average cloud cover in September - Rivercrest Manor, NJ
  • Average cloud cover in September: 33

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

Average visibility in September - Rivercrest Manor, NJ
  • Average visibility in September: 6mi

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