September weather forecast and climate
Wallington, NJ

September, the first month of the autumn, in Wallington, is also a moderately hot month, with average temperature varying between 75.4°F (24.1°C) and 59.9°F (15.5°C).

Temperature

In Wallington, New Jersey, the average high-temperature in September slightly decreases, from a moderately hot 82.2°F (27.9°C) in August, to a still warm 75.4°F (24.1°C). In Wallington, the average low-temperature is 59.9°F (15.5°C).

Humidity

In September, the average relative humidity in Wallington is 74%.

Rainfall

In September, in Wallington, the rain falls for 13 days. Throughout September, 1.54" (39mm) of precipitation is accumulated. Throughout the year, in Wallington, there are 150.9 rainfall days, and 25.28" (642mm) of precipitation is accumulated.

Snowfall

May through October are months without snowfall.

Daylight

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

Sunshine

The average sunshine in September is 8.8h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV rays for the ordinary person.
Note: The average daily UV index of 4 transform into the following instructions:
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. 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 Wallington?

The average high-temperature, in September, is 75.4°F (24.1°C), while the average low-temperature is 59.9°F (15.5°C).

What is the average humidity in September in Wallington?

In September, the average relative humidity is 74%.

How much does it rain in Wallington in September?

In Wallington, in September, it is raining for 13 days, with typically 1.54" (39mm) of accumulated precipitation.

When it does not snow in Wallington?

May through October are months without snowfall in Wallington.

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

In Wallington, New Jersey, the average length of the day in September is 12.4h.

How many hours of sunshine does Wallington have in September?

In September, the average sunshine in Wallington is 8.8h.

What is the UV index intensity in September in Wallington?

In Wallington, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV rays.
Average temperature in September - Wallington, NJ
  • Average high temperature in September: 24.1°C

The warmest month (with the highest average high temperature) is July (29°C).
The month with the lowest average high temperature is January (1.9°C).

  • Average low temperature in September: 15.5°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 (-4.4°C).

Average pressure in September - Wallington, NJ
  • Average pressure in September: 1017.8mbar

The month with the highest atmospheric pressure is November (1019.5mbar).
The month with the lowest atmospheric pressure is June (1013.6mbar).

Average wind speed in September - Wallington, NJ
  • Average wind speed in September: 10.2km/h

The windiest months (with the highest average wind speed) are January and March (14.1km/h).
The calmest month (with the lowest average wind speed) is July (9.3km/h).

Average humidity in September - Wallington, NJ
  • Average humidity in September: 74%

Months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is August (71%).

Average rainfall in September - Wallington, NJ
  • Average rainfall in September: 39mm

The wettest month (with the highest rainfall) is July (74mm).
The driest month (with the least rainfall) is February (37mm).

Average rainfall days in September - Wallington, NJ
  • Average rainfall days in September: 13 days

The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is January (7.5 days).

Average snowfall in September - Wallington, NJ
  • Average snowfall in September: 0mm

The month with the highest snowfall is March (72mm).
Months with the least snowfall are May, June, July, August, September and October (0mm).

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

The month with the highest number of snowfall days is February (5.9 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September / Average sunshine in September - Wallington, 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: 8.8h

The month with the most sunshine is July (Average sunshine: 10.5h).
The month with the least sunshine is February (Average sunshine: 4.7h).

Average sunshine days in September - Wallington, NJ
  • Average sunshine days in September: 14.8 days

The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (11.5 days).

Average UV index in September - Wallington, 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).

Average cloud cover in September - Wallington, NJ
  • Average cloud cover in September: 36

The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in September - Wallington, 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).