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
The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a warm 76.6°F (24.8°C) in August to a pleasant 69.4°F (20.8°C). Throughout September, an average nighttime temperature of 49.1°F (9.5°C) is experienced.Humidity
The average relative humidity in September in Preston Hollow is 81%.Rainfall
In Preston Hollow, in September, during 12.1 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. In Preston Hollow, during the entire year, the rain falls for 152.5 days and collects up to 27.24" (692mm) of precipitation.Snowfall
In Preston Hollow, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 29min.On the first day of September, sunrise is at 6:22 am and sunset at 7:30 pm. On the last day of the month, sunrise is at 6:53 am and sunset at 6:39 pm EDT.
Sunshine
In Preston Hollow, the average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 3 during September translates into the following directions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow in Preston Hollow?
Does it snow in September?
How many hours of daylight does Preston Hollow have in September?
When are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Preston Hollow, NY
- Average high temperature in September: 69.4°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in September: 49.1°F
The month with the highest average low temperature is July (57.4°F).
The coldest month (with the lowest average low temperature) is January (15.8°F).
Average pressure in September
Preston Hollow, 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
Preston Hollow, NY
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in September
Preston Hollow, NY
- Average humidity in September: 81%
The months with the highest relative humidity are February and December (85%).
The months with the lowest relative humidity are April, June and July (78%).
Average rainfall in September
Preston Hollow, NY
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is July (3.03").
The driest month (with the least rainfall) is February (1.46").
Average rainfall days in September
Preston Hollow, NY
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in September
Preston Hollow, NY
- Average snowfall in September: 0"
The month with the highest snowfall is December (6.65").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Preston Hollow, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Preston Hollow, NY
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in September
Preston Hollow, NY
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is November (16.5 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in September
Preston Hollow, NY
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Preston Hollow, NY
- Average cloud cover in September: 40
The month with the most cloud cover is February (Cloud cover 61).
The month with the least cloud cover is July (Cloud cover 36).
Average visibility in September
Preston Hollow, NY
- Average visibility in September: 4mi
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (5mi).
The month with the lowest visibility is September (4mi).
Preston Hollow, New York, USA
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