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 onset of September entails a subtle temperature shift, as the average high-temperature eases from a warm 79.3°F (26.3°C) in August to a pleasant 71.2°F (21.8°C). During September, the average low-temperature is a cool 51.1°F (10.6°C).Humidity
The average relative humidity in September is 79%.Rainfall
In September, the rain falls for 11.5 days. Throughout September, 2.13" (54mm) of precipitation is accumulated. In Coeymans Hollow, New York, during the entire year, the rain falls for 153.2 days and collects up to 30" (762mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:21 am and sunset at 7:29 pm. On the last day of September, sunrise is at 6:52 am and sunset at 6:38 pm EDT.
Sunshine
In Coeymans Hollow, the average sunshine in September is 8.9h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: During September, 3 as the daily maximum UV index converts into the following advice:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Coeymans Hollow have in September?
What time are sunrise and sunset in September in Coeymans Hollow?
How long on average sun shines in September in Coeymans Hollow?
How high is the UV index in September?
Average temperature in September
Coeymans Hollow, NY
- Average high temperature in September: 71.2°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (29.1°F).
- Average low temperature in September: 51.1°F
The month with the highest average low temperature is July (59.4°F).
The coldest month (with the lowest average low temperature) is January (16.9°F).
Average pressure in September
Coeymans Hollow, NY
- Average pressure in September: 30.06"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Coeymans Hollow, NY
- Average wind speed in September: 5.5mph
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
Coeymans Hollow, NY
- Average humidity in September: 79%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Coeymans Hollow, NY
- Average rainfall in September: 2.13"
The wettest month (with the highest rainfall) is July (3.43").
The driest month (with the least rainfall) is January (1.73").
Average rainfall days in September
Coeymans Hollow, NY
- Average rainfall days in September: 11.5 days
The months with the highest number of rainy days are May and July (17.1 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in September
Coeymans Hollow, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (5.79").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Coeymans Hollow, NY
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (10.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Coeymans 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 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
Coeymans Hollow, NY
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is November (18 days).
The month with the least sunshine days is June (11.6 days).
Average UV index in September
Coeymans Hollow, NY
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Coeymans Hollow, NY
- Average cloud cover in September: 36
The month with the most cloud cover is February (Cloud cover 59).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in September
Coeymans Hollow, NY
- Average visibility in September: 5mi
The months with the highest visibility are April, June, November and December (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September and October (5mi).
Coeymans Hollow, New York, USA
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