September weather forecast
Sweetman, NJ

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Weather in September

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

Temperature

The start of September signals a gentle decrease in the average high-temperature, transitioning from 81.9°F (27.7°C) in August to a still warm 75.4°F (24.1°C). The temperature in Sweetman, New Jersey, dips to an average of 60.4°F (15.8°C) during September nights.

Humidity

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

Rainfall

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

Snowfall

In Sweetman, snow does not fall in June through October.

Daylight

In September, the average length of the day in Sweetman, New Jersey, is 12h and 27min.
On the first day of the month, sunrise is at 6:25 am and sunset at 7:28 pm. On the last day of September, in Sweetman, sunrise is at 6:53 am and sunset at 6:40 pm EDT.

Sunshine

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

UV index

The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 5 in September translates into this advice:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September in Sweetman?

The average high-temperature and low-temperature in Sweetman, New Jersey, during September are 75.4°F (24.1°C) and 60.4°F (15.8°C) respectively. The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is appraised at 87.8°F (31°C).

What is the average humidity in September in Sweetman?

The average relative humidity in September in Sweetman, New Jersey, is 78%.

What is the driest month in Sweetman?

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

How many days does it rain in September in Sweetman?

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

When it does not snow in Sweetman?

In Sweetman, New Jersey, snow does not fall in June through October.

How many hours of daylight does Sweetman have in September?

In September, the average day length in Sweetman, New Jersey, is 12h and 27min.

When is the sunrise / sunset in September in Sweetman?

In September, on the first day of the month, sunrise is at 6:25 am and sunset at 7:28 pm. On the last day of the month, in Sweetman, sunrise is at 6:53 am and sunset at 6:40 pm EDT.

How many hours of sunshine does Sweetman have in September?

In Sweetman, New Jersey, the average sunshine duration in September is 8.8h.

What is the UV index reading in September in Sweetman?

In Sweetman, New Jersey, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Sweetman, NJ

Average temperature in September - Sweetman, NJ
  • Average high temperature in September: 75.4°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 (37.4°F).

  • Average low temperature in September: 60.4°F

The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).

Average pressure in September
Sweetman, NJ

Average pressure in September - Sweetman, 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).

Average wind speed in September
Sweetman, NJ

Average wind speed in September - Sweetman, NJ
  • Average wind speed in September: 6.6mph

The windiest month (with the highest average wind speed) is March (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

Average humidity in September
Sweetman, NJ

Average humidity in September - Sweetman, NJ
  • Average humidity in September: 78%

The 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
Sweetman, NJ

Average rainfall in September - Sweetman, NJ
  • Average rainfall in September: 1.69"

The wettest month (with the highest rainfall) is July (3.5").
The driest month (with the least rainfall) is September (1.69").

Average rainfall days in September
Sweetman, NJ

Average rainfall days in September - Sweetman, 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
Sweetman, NJ

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

The month with the highest snowfall is March (3.23").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in September
Sweetman, NJ

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

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

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

Average daylight in September / Average sunshine in September - Sweetman, NJ
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in September
Sweetman, NJ

Average sunshine days in September - Sweetman, 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
Sweetman, NJ

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

Average cloud cover in September
Sweetman, NJ

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

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

Average visibility in September
Sweetman, NJ

Average visibility in September - Sweetman, 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).

Sweetman, New Jersey, USA

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