September weather forecast
White Plains, MD

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Weather in September

September, the first month of the autumn in White Plains, is also a moderately hot month, with an average temperature ranging between min 61.9°F (16.6°C) and max 78.6°F (25.9°C).

Temperature

In White Plains, entering September brings a subtle temperature decrement, reducing from August's 85.1°F (29.5°C) to a still moderately hot 78.6°F (25.9°C). White Plains's average low-temperature in September is measured at a comfortable 61.9°F (16.6°C).

Humidity

In White Plains, the average relative humidity in September is 77%.

Rainfall

In White Plains, during September, the rain falls for 12.1 days and regularly aggregates up to 2.05" (52mm) of precipitation. In White Plains, during the entire year, the rain falls for 151.4 days and collects up to 29.33" (745mm) of precipitation.

Snowfall

May through October are months without snowfall.

Daylight

In White Plains, the average length of the day in September is 12h and 26min.
On the first day of the month, sunrise is at 6:37 am and sunset at 7:37 pm. On the last day of September, sunrise is at 7:03 am and sunset at 6:51 pm EDT.

Sunshine

In September, the average sunshine is 8.7h.

UV index

In White Plains, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: A maximum UV index of 5 in September translates into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Updated: Jun 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in September?

The average high-temperature and low-temperature in White Plains during September are 78.6°F (25.9°C) and 61.9°F (16.6°C) respectively. In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is appraised at 95°F (35°C).

What is the average humidity in September?

In White Plains, the average relative humidity in September is 77%.

How many days does it rain in September?

In September, the rain falls for 12.1 days. Throughout September, 2.05" (52mm) of precipitation is accumulated.

When it does not snow?

May through October are months without snowfall.

How many hours of daylight does White Plains have in September?

In September, the average day length is 12h and 26min.

When is the sunrise / sunset in September?

In September, on the first day of the month, sunrise is at 6:37 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:51 pm EDT.

How long on average sun shines in September?

The average sunshine duration in September is 8.7h.

How high is the UV index in September?

In White Plains, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
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
White Plains, MD

Average temperature in September - White Plains, MD
  • Average high temperature in September: 78.6°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (41.5°F).

  • Average low temperature in September: 61.9°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

Average pressure in September
White Plains, MD

Average pressure in September - White Plains, MD
  • Average pressure in September: 30.05"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in September
White Plains, MD

Average wind speed in September - White Plains, MD
  • Average wind speed in September: 5.8mph

The windiest months (with the highest average wind speed) are March and April (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

Average humidity in September
White Plains, MD

Average humidity in September - White Plains, MD
  • Average humidity in September: 77%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March and April (73%).

Average rainfall in September
White Plains, MD

Average rainfall in September - White Plains, MD
  • Average rainfall in September: 2.05"

The wettest month (with the highest rainfall) is August (3.31").
The driest month (with the least rainfall) is January (1.85").

Average rainfall days in September
White Plains, MD

Average rainfall days in September - White Plains, MD
  • Average rainfall days in September: 12.1 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is November (8.7 days).

Average snowfall in September
White Plains, MD

Average snowfall in September - White Plains, MD
  • Average snowfall in September: 0"

The month with the highest snowfall is January (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
White Plains, MD

Average snowfall days in September - White Plains, MD
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (4.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
White Plains, MD

Average daylight in September / Average sunshine in September - White Plains, MD
  • Average daylight in September: 12h and 2min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 5h and 0min).

Average sunshine days in September
White Plains, MD

Average sunshine days in September - White Plains, MD
  • Average sunshine days in September: 15.7 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (11.4 days).

Average UV index in September
White Plains, MD

Average UV index in September - White Plains, MD
  • Average UV index in September: 5

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in September
White Plains, MD

Average cloud cover in September - White Plains, MD
  • Average cloud cover in September: 38

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in September
White Plains, MD

Average visibility in September - White Plains, MD
  • Average visibility in September: 6mi

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

White Plains, Maryland, USA

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