September weather forecast
Scarsdale, NY

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Scarsdale, New York, with temperature in the range of an average low of 60.6°F (15.9°C) and an average high of 73.9°F (23.3°C).

Temperature

A modest decline in the average high-temperature is seen during September, decreasing from 81.1°F (27.3°C) in August to a still warm 73.9°F (23.3°C). Nighttime temperature experiences an average drop to a refreshing 60.6°F (15.9°C) in September.

Humidity

In Scarsdale, New York, the average relative humidity in September is 74%.

Rainfall

The month with the least rainfall is September, when the rain falls for 12.6 days and typically collects 2.2" (56mm) of precipitation.

Snowfall

In Scarsdale, snow does not fall in May through October.

Daylight

In Scarsdale, the average length of the day in September is 12h and 28min.
On the first day of the month, sunrise is at 6:22 am and sunset at 7:27 pm. On the last day of September, sunrise is at 6:51 am and sunset at 6:38 pm EDT.

Sunshine

In September, the average sunshine is 8.8h.

UV index

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: During September, 4 as the daily maximum UV index converts into the following advice:
Ensure safety - Recommendations to avert sunburn are presented. It's recommended to limit sun exposure when its radiation is at its peak during midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September?

In September, the average high-temperature and low-temperature are 73.9°F (23.3°C) and 60.6°F (15.9°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 84.2°F (29°C).

What is the average humidity in September in Scarsdale?

The average relative humidity in September is 74%.

What is the driest month in Scarsdale?

September is the month with the least rainfall. Rain falls for 12.6 days and accumulates 2.2" (56mm) of precipitation.

How much does it rain in September?

In Scarsdale, in September, during 12.6 rainfall days, 2.2" (56mm) of precipitation is typically accumulated.

When it does not snow?

May through October are months without snowfall.

What is the average length of the day in September?

In September, the average day length is 12h and 28min.

When are sunrise and sunset in September?

In September, on the first day of the month, sunrise is at 6:22 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:38 pm EDT.

How long on average sun shines in September in Scarsdale?

In Scarsdale, the average sunshine duration in September is 8.8h.

What is the UV index intensity in September in Scarsdale?

In Scarsdale, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to the Sun's 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
Scarsdale, NY

Average temperature in September - Scarsdale, NY
  • Average high temperature in September: 73.9°F

The warmest month (with the highest average high temperature) is July (82.8°F).
The month with the lowest average high temperature is January (35.2°F).

  • Average low temperature in September: 60.6°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (25°F).

Average pressure in September
Scarsdale, NY

Average pressure in September - Scarsdale, NY
  • Average pressure in September: 30.05"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
Scarsdale, NY

Average wind speed in September - Scarsdale, NY
  • Average wind speed in September: 6.8mph

The windiest month (with the highest average wind speed) is January (9.2mph).
The calmest month (with the lowest average wind speed) is July (6mph).

Average humidity in September
Scarsdale, NY

Average humidity in September - Scarsdale, NY
  • Average humidity in September: 74%

The months with the highest relative humidity are February and December (76%).
The months with the lowest relative humidity are April and August (71%).

Average rainfall in September
Scarsdale, NY

Average rainfall in September - Scarsdale, NY
  • Average rainfall in September: 2.2"

The wettest month (with the highest rainfall) is December (3.98").
The driest month (with the least rainfall) is September (2.2").

Average rainfall days in September
Scarsdale, NY

Average rainfall days in September - Scarsdale, NY
  • Average rainfall days in September: 12.6 days

The month with the highest number of rainy days is July (17.5 days).
The month with the least rainy days is January (8.1 days).

Average snowfall in September
Scarsdale, NY

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

The month with the highest snowfall is March (3.78").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in September
Scarsdale, NY

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

The month with the highest number of snowfall days is January (7.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Scarsdale, 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 18min).

  • Average sunshine in September: 8h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in September
Scarsdale, NY

Average sunshine days in September - Scarsdale, NY
  • Average sunshine days in September: 15.8 days

The month with the most sunshine days is November (17.7 days).
The month with the least sunshine days is July (11.3 days).

Average UV index in September
Scarsdale, NY

Average UV index in September - Scarsdale, 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
Scarsdale, NY

Average cloud cover in September - Scarsdale, NY
  • Average cloud cover in September: 34

The months with the most cloud cover are February, March and December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in September
Scarsdale, NY

Average visibility in September - Scarsdale, NY
  • 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).

Scarsdale, New York, USA

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