September weather forecast
Marlboro, NY

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Weather in September

September, the first month of the autumn in Marlboro, is also a moderately hot month, with an average temperature fluctuating between 73.9°F (23.3°C) and 53.6°F (12°C).

Temperature

Marlboro's progression into September involves a minor drop in the average high-temperature, slightly receding from a moderately hot 81.5°F (27.5°C) in August to a still warm 73.9°F (23.3°C). Throughout September, Marlboro encounters an average temperature drop to a cool 53.6°F (12°C).

Humidity

The average relative humidity in September in Marlboro is 78%.

Rainfall

The month with the least rainfall is September, when the rain falls for 11.5 days and typically collects 1.73" (44mm) of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

The average length of the day in September in Marlboro is 12h and 28min.
On the first day of September, sunrise is at 6:22 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:38 pm EDT.

Sunshine

In Marlboro, the average sunshine in September is 8.7h.

UV index

In September, the average daily maximum UV index in Marlboro, New York, is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 4 during September translates into these guidelines:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average September temperature in Marlboro?

The high-temperature, in September, in Marlboro, records 73.9°F (23.3°C), while the low-temperature is 53.6°F (12°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, is evaluated at 87.8°F (31°C).

What is the average humidity in September in Marlboro?

In Marlboro, the average relative humidity in September is 78%.

What is the driest month in Marlboro?

September is the month with the least rainfall in Marlboro. Rain falls for 11.5 days and accumulates 1.73" (44mm) of precipitation.

How much does it rain in Marlboro in September?

In September, in Marlboro, New York, the rain falls for 11.5 days. Throughout September, 1.73" (44mm) of precipitation is accumulated.

When it does not snow in Marlboro?

June through September are months without snowfall.

Does it snow in Marlboro in September?

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

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

In Marlboro, New York, the average day length in September is 12h and 28min.

When is the sunrise / sunset in September in Marlboro?

In September, on the first day of the month, sunrise is at 6:22 am and sunset at 7:28 pm. On the last day of the month, in Marlboro, sunrise is at 6:52 am and sunset at 6:38 pm EDT.

How many hours of sunshine does Marlboro have in September?

The average sunshine duration in September in Marlboro, New York, is 8.7h.

What is the UV index intensity in September in Marlboro?

In Marlboro, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from 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
Marlboro, NY

Average temperature in September - Marlboro, NY
  • Average high temperature in September: 73.9°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 (32.7°F).

  • Average low temperature in September: 53.6°F

The month with the highest average low temperature is July (61.5°F).
The coldest month (with the lowest average low temperature) is January (20.1°F).

Average pressure in September
Marlboro, NY

Average pressure in September - Marlboro, NY
  • Average pressure in September: 30.06"Hg

The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in September
Marlboro, NY

Average wind speed in September - Marlboro, NY
  • Average wind speed in September: 4.8mph

The windiest month (with the highest average wind speed) is March (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in September
Marlboro, NY

Average humidity in September - Marlboro, NY
  • Average humidity in September: 78%

The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is April (74%).

Average rainfall in September
Marlboro, NY

Average rainfall in September - Marlboro, NY
  • Average rainfall in September: 1.73"

The wettest month (with the highest rainfall) is October (3.07").
The driest month (with the least rainfall) is September (1.73").

Average rainfall days in September
Marlboro, NY

Average rainfall days in September - Marlboro, NY
  • Average rainfall days in September: 11.5 days

The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is January (8.6 days).

Average snowfall in September
Marlboro, NY

Average snowfall in September - Marlboro, NY
  • Average snowfall in September: 0"

The month with the highest snowfall is February (4.21").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in September
Marlboro, NY

Average snowfall days in September - Marlboro, NY
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Marlboro, NY

Average daylight in September / Average sunshine in September - Marlboro, NY
  • Average daylight in September: 12h and 3min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days in September
Marlboro, NY

Average sunshine days in September - Marlboro, NY
  • Average sunshine days in September: 15.9 days

The month with the most sunshine days is November (17.2 days).
The month with the least sunshine days is April (11.4 days).

Average UV index in September
Marlboro, NY

Average UV index in September - Marlboro, NY
  • 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).

Average cloud cover in September
Marlboro, NY

Average cloud cover in September - Marlboro, NY
  • Average cloud cover in September: 39

The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 36).

Average visibility in September
Marlboro, NY

Average visibility in September - Marlboro, NY
  • Average visibility in September: 5mi

The month with the highest visibility is April (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (5mi).

Marlboro, New York, USA

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