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
September is characterized by a slight reduction in average high-temperature, easing from a warm 78.6°F (25.9°C) in August to an agreeable 71.6°F (22°C). Cossayuna, during the month of September, experiences an average low-temperature of 51.1°F (10.6°C).Humidity
The average relative humidity in September is 78%.Rainfall
In Cossayuna, in September, during 10.1 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. Throughout the year, in Cossayuna, there are 123.3 rainfall days, and 18.62" (473mm) of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In Cossayuna, the average length of the day in September is 12h and 29min.On the first day of the month, sunrise is at 6:18 am and sunset at 7:28 pm. On the last day of September, sunrise is at 6:50 am and sunset at 6:36 pm EDT.
Sunshine
The average sunshine in September is 9h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How many hours of sunshine does Cossayuna have in September?
What is the UV index reading in September?
Average temperature in September
Cossayuna, NY
- Average high temperature in September: 71.6°F
The warmest month (with the highest average high temperature) is July (80.8°F).
The month with the lowest average high temperature is January (27.9°F).
- Average low temperature in September: 51.1°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (16.3°F).
Average pressure in September
Cossayuna, NY
- Average pressure in September: 30.05"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
Cossayuna, NY
- Average wind speed in September: 5.5mph
The windiest months (with the highest average wind speed) are January and April (7.5mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in September
Cossayuna, NY
- Average humidity in September: 78%
The month with the highest relative humidity is February (83%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Cossayuna, NY
- Average rainfall in September: 1.38"
The wettest month (with the highest rainfall) is July (2.01").
The driest month (with the least rainfall) is March (1.1").
Average rainfall days in September
Cossayuna, NY
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is June (14.1 days).
The month with the least rainy days is January (4 days).
Average snowfall in September
Cossayuna, NY
- Average snowfall in September: 0"
The month with the highest snowfall is February (5").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Cossayuna, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Cossayuna, NY
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 48min).
Average sunshine days in September
Cossayuna, NY
- Average sunshine days in September: 18.2 days
The month with the most sunshine days is January (20.4 days).
The month with the least sunshine days is June (14.3 days).
Average UV index in September
Cossayuna, NY
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Cossayuna, NY
- Average cloud cover in September: 34
The month with the most cloud cover is February (Cloud cover 59).
The months with the least cloud cover are July and August (Cloud cover 33).
Average visibility in September
Cossayuna, NY
- Average visibility in September: 5mi
The months with the highest visibility are January, March, April, May, October, November and December (6mi).
The months with the lowest visibility are February, June, July, August and September (5mi).
Cossayuna, New York, USA
Weather forecast for your location
2. Allow the app to use your location