September weather forecast and climate
Twin Rivers, NJ

The first month of the autumn, September, is also a moderately hot month in Twin Rivers, New Jersey, with average temperature ranging between max 75.4°F (24.1°C) and min 60.4°F (15.8°C).

Temperature

In Twin Rivers, the average high-temperature in September marginally drops, from 81.9°F (27.7°C) in August, to a still moderately hot 75.4°F (24.1°C). The average low-temperature, in September, is 60.4°F (15.8°C).

Humidity

In September, the average relative humidity in Twin Rivers, New Jersey, is 78%.

Rainfall

September is the month with the least rainfall in Twin Rivers. Rain falls for 13.4 days and accumulates 1.69" (43mm) of precipitation.

Snowfall

In Twin Rivers snow does not fall in June through October.

Daylight

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

Sunshine

In September, the average sunshine in Twin Rivers is 8.8h.

UV index

In Twin Rivers, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to the UV radiation for average individuals.
Note: The daily maximum UV index of 5 in September interpret into the following advice:
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. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the temperature in September in Twin Rivers?

In September, in Twin Rivers, the average high-temperature is 75.4°F (24.1°C), and the average low-temperature is 60.4°F (15.8°C).

What is the average humidity in September in Twin Rivers?

The average relative humidity in September in Twin Rivers is 78%.

How much does it rain in Twin Rivers in September?

In Twin Rivers, New Jersey, in September, during 13.4 rainfall days, 1.69" (43mm) of precipitation is typically accumulated.

What is the driest month in Twin Rivers?

September is the month with the least rainfall in Twin Rivers, New Jersey. Rain falls for 13.4 days and accumulates 1.69" (43mm) of precipitation.

When it does not snow in Twin Rivers?

June through October are months without snowfall in Twin Rivers, New Jersey.

How many hours of daylight does Twin Rivers have in September?

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

How many hours of sunshine does Twin Rivers have in September?

In Twin Rivers, New Jersey, the average sunshine in September is 8.8h.

What is the UV index reading in September in Twin Rivers?

In Twin Rivers, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV radiation.
Average temperature in September - Twin Rivers, NJ
  • Average high temperature in September: 24.1°C

The warmest month (with the highest average high temperature) is July (28.8°C).
The month with the lowest average high temperature is January (3°C).

  • Average low temperature in September: 15.8°C

The month with the highest average low temperature is July (19.9°C).
The coldest month (with the lowest average low temperature) is January (-3.7°C).

Average pressure in September - Twin Rivers, NJ
  • Average pressure in September: 1017.6mbar

The month with the highest atmospheric pressure is November (1019.6mbar).
The month with the lowest atmospheric pressure is June (1013.7mbar).

Average wind speed in September - Twin Rivers, NJ
  • Average wind speed in September: 10.6km/h

The windiest month (with the highest average wind speed) is March (15km/h).
The calmest months (with the lowest average wind speed) are July and August (9.6km/h).

Average humidity in September - Twin Rivers, NJ
  • Average humidity in September: 78%

Months with the highest relative humidity are June and October (79%).
The month with the lowest relative humidity is April (73%).

Average rainfall in September - Twin Rivers, NJ
  • Average rainfall in September: 43mm

The wettest month (with the highest rainfall) is July (89mm).
The driest month (with the least rainfall) is September (43mm).

Average rainfall days in September - Twin Rivers, NJ
  • Average rainfall days in September: 13.4 days

The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is January (8.4 days).

Average snowfall in September - Twin Rivers, NJ
  • Average snowfall in September: 0mm

The month with the highest snowfall is March (82mm).
Months with the least snowfall are June, July, August, September and October (0mm).

Average snowfall days in September - Twin Rivers, NJ
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.3 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in September / Average sunshine in September - Twin Rivers, 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: 8.8h

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.8h).

Average sunshine days in September - Twin Rivers, NJ
  • Average sunshine days in September: 14.1 days

The month with the most sunshine days is November (19 days).
The month with the least sunshine days is July (10.8 days).

Average UV index in September - Twin Rivers, 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, March, November and December (UV index 2).

Average cloud cover in September - Twin Rivers, NJ
  • Average cloud cover in September: 36

Months with the most cloud cover are February, March and December (Cloud cover 47).
Months with the least cloud cover are July and August (Cloud cover 31).

Average visibility in September - Twin Rivers, NJ
  • Average visibility in September: 9km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).