Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Yorktown Heights's progression into September involves a gentle drop in the average high-temperature, from a warm 81.1°F (27.3°C) in August to a still moderately hot 73.9°F (23.3°C). In Yorktown Heights, an average nighttime temperature of 58.1°F (14.5°C) is expected during September.Humidity
In Yorktown Heights, the average relative humidity in September is 76%.Rainfall
In Yorktown Heights, during September, the rain falls for 12.2 days and regularly aggregates up to 1.5" (38mm) of precipitation. Throughout the year, in Yorktown Heights, there are 144.2 rainfall days, and 22.32" (567mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall in Yorktown Heights, New York.Daylight
In Yorktown Heights, the average length of the day in September is 12h and 28min.On the first day of September in Yorktown Heights, 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.
Sunshine
In Yorktown Heights, the average sunshine in September is 8.9h.UV index
In September, the average daily maximum UV index in Yorktown Heights is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Yorktown Heights?
What is the average humidity in September in Yorktown Heights?
How many days does it rain in September in Yorktown Heights?
When it does not snow in Yorktown Heights?
Does it snow in Yorktown Heights in September?
What is the average length of the day in September in Yorktown Heights?
When are sunrise and sunset in September in Yorktown Heights?
How long on average sun shines in September in Yorktown Heights?
What is the UV index reading in September in Yorktown Heights?
Average temperature in September
Yorktown Heights, NY
- Average high temperature in September: 73.9°F
The warmest month (with the highest average high temperature) is July (82.9°F).
The month with the lowest average high temperature is January (34.5°F).
- Average low temperature in September: 58.1°F
The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (23.2°F).
Average pressure in September
Yorktown Heights, 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
Yorktown Heights, NY
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in September
Yorktown Heights, NY
- Average humidity in September: 76%
The month with the highest relative humidity is February (78%).
The month with the lowest relative humidity is April (72%).
Average rainfall in September
Yorktown Heights, NY
- Average rainfall in September: 1.5"
The wettest month (with the highest rainfall) is July (2.68").
The driest month (with the least rainfall) is February (1.18").
Average rainfall days in September
Yorktown Heights, NY
- Average rainfall days in September: 12.2 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in September
Yorktown Heights, NY
- Average snowfall in September: 0"
The month with the highest snowfall is March (2.95").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Yorktown Heights, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Yorktown Heights, 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
Yorktown Heights, NY
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is June (12.1 days).
Average UV index in September
Yorktown Heights, 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
Yorktown Heights, NY
- Average cloud cover in September: 34
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Yorktown Heights, 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).
Yorktown Heights, New York, USA
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