September weather forecast
Maplewood, NJ

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Weather in September

September marks the onset of fall in Maplewood, signified by decreasing temperatures and daylight hours. There is a distinctive reduction in rainfall, making the weather subtly dry. The decline in temperatures and rainfall results in lowering humidity levels compared to the preceding months. Despite shorter days, the sunshine hours remain considerable, offering a pleasant balance in weather conditions.

Temperature

The beginning of September brings a slight decrease in the average high-temperature, transitioning from a warm 81.9°F (27.7°C) in August to a still moderately hot 74.7°F (23.7°C). Maplewood, during September, witnesses an average low-temperature of 59.4°F (15.2°C).

Humidity

In Maplewood, the average relative humidity in September is 75%.

Rainfall

In Maplewood, in September, during 11.2 rainfall days, 0.75" (19mm) of precipitation is typically accumulated. Throughout the year, there are 127.3 rainfall days, and 12.68" (322mm) of precipitation is accumulated.

Snowfall

May through September are months without snowfall in Maplewood, New Jersey.

Daylight

In September, the average length of the day is 12h and 27min.
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, sunrise is at 6:53 am and sunset at 6:40 pm EDT.

Sunshine

In Maplewood, New Jersey, the average sunshine in September is 8.9h.

UV index

In Maplewood, New Jersey, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 4 during September translates into the following guidance:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
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Frequently asked questions

What is the temperature in September in Maplewood?

In September, in Maplewood, the average high-temperature is 74.7°F (23.7°C), and the average low-temperature is 59.4°F (15.2°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is computed to be 86°F (30°C).

What is the average humidity in September in Maplewood?

In Maplewood, New Jersey, the average relative humidity in September is 75%.

How many days does it rain in September in Maplewood?

In Maplewood, during September, the rain falls for 11.2 days and regularly aggregates up to 0.75" (19mm) of precipitation.

When it does not snow in Maplewood?

In Maplewood, New Jersey, snow does not fall in May through September.

Does it snow in Maplewood in September?

In Maplewood, in September, it doesn't snow. In October, it regularly snows.

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

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

When is the sunrise / sunset in September in Maplewood?

On the first day of September in Maplewood, New Jersey, sunrise is at 6:24 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:40 pm EDT.

How long on average sun shines in September in Maplewood?

In September, the average sunshine duration in Maplewood, New Jersey, is 8.9h.

What is the UV index intensity in September in Maplewood?

In September, the average daily maximum UV index in Maplewood, New Jersey, is 4. A UV Index reading of 3 to 5 represents a medium hazard to health 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
Maplewood, NJ

Average temperature in September - Maplewood, NJ
  • Average high temperature in September: 74.7°F

The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in September: 59.4°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).

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Average pressure in September
Maplewood, NJ

Average pressure in September - Maplewood, 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
Maplewood, NJ

Average wind speed in September - Maplewood, NJ
  • Average wind speed in September: 6.3mph

The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

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Average humidity in September
Maplewood, NJ

Average humidity in September - Maplewood, NJ
  • Average humidity in September: 75%

The months with the highest relative humidity are February and December (78%).
The months with the lowest relative humidity are April and August (72%).

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Average rainfall in September
Maplewood, NJ

Average rainfall in September - Maplewood, NJ
  • Average rainfall in September: 0.75"

The wettest month (with the highest rainfall) is July (1.61").
The driest month (with the least rainfall) is January (0.67").

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Average rainfall days in September
Maplewood, NJ

Average rainfall days in September - Maplewood, NJ
  • Average rainfall days in September: 11.2 days

The month with the highest number of rainy days is July (15.5 days).
The month with the least rainy days is January (6.1 days).

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Average snowfall in September
Maplewood, NJ

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

The month with the highest snowfall is March (1.22").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in September
Maplewood, NJ

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

The month with the highest number of snowfall days is February (5.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Maplewood, NJ
  • Average daylight in September: 12h and 3min

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 18min).

  • 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 42min).

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Average sunshine days in September
Maplewood, NJ

Average sunshine days in September - Maplewood, NJ
  • Average sunshine days in September: 15.8 days

The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is July (12.5 days).

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Average UV index in September
Maplewood, NJ

Average UV index in September - Maplewood, NJ
  • Average UV index in September: 4

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).

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Average cloud cover in September
Maplewood, NJ

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

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

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Average visibility in September
Maplewood, NJ

Average visibility in September - Maplewood, 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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Maplewood, New Jersey, USA

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