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
With the beginning of September, the average high-temperature shows a small decrease, transitioning from 82.9°F (28.3°C) in August to a still warm 75.2°F (24°C). During the nights in September, Upper Nyack observes an average low-temperature of 58.5°F (14.7°C).Humidity
The average relative humidity in September is 74%.Rainfall
In Upper Nyack, during September, the rain falls for 12.5 days and regularly aggregates up to 2.01" (51mm) of precipitation. In Upper Nyack, during the entire year, the rain falls for 151.8 days and collects up to 30.79" (782mm) of precipitation.Snowfall
May through September are months without snowfall in Upper Nyack.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September in Upper Nyack, sunrise is at 6:23 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 6:38 pm EDT.
Sunshine
In Upper Nyack, the average sunshine in September is 8.7h.UV index
In Upper Nyack, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.
Frequently asked questions
What is the usual temperature for Upper Nyack in September?
What is the average humidity in September in Upper Nyack?
How many days does it rain in September in Upper Nyack?
When it does not snow in Upper Nyack?
Does it snow in Upper Nyack in September?
What is the average length of the day in September in Upper Nyack?
What time are sunrise and sunset in September in Upper Nyack?
How long on average sun shines in September in Upper Nyack?
How high is the UV index in September in Upper Nyack?
Average temperature in September
Upper Nyack, NY
- Average high temperature in September: 75.2°F
The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in September: 58.5°F
The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in September
Upper Nyack, 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
Upper Nyack, NY
- Average wind speed in September: 5.9mph
The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).
Average humidity in September
Upper Nyack, NY
- Average humidity in September: 74%
The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Upper Nyack, NY
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is July (3.35").
The driest month (with the least rainfall) is January (1.89").
Average rainfall days in September
Upper Nyack, NY
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (6.8 days).
Average snowfall in September
Upper Nyack, NY
- Average snowfall in September: 0"
The month with the highest snowfall is March (2.8").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Upper Nyack, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.8 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
Upper Nyack, 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 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 36min).
Average sunshine days in September
Upper Nyack, NY
- Average sunshine days in September: 14.9 days
The months with the most sunshine days are January and November (20 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in September
Upper Nyack, 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
Upper Nyack, NY
- Average cloud cover in September: 36
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 32).
Average visibility in September
Upper Nyack, 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).
Upper Nyack, New York, USA
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