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 sea temperature 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 arrival of September corresponds with a light shift in temperature, down from a moderately hot 79.2°F (26.2°C) in August to an agreeable 72.5°F (22.5°C). Oyster Bay Cove sees a minor drop to an average minimum temperature of 64.2°F (17.9°C) during the night in the month of September.Humidity
In September, the average relative humidity in Oyster Bay Cove, New York, is 73%.Rainfall
In Oyster Bay Cove, during September, the rain falls for 12.8 days and regularly aggregates up to 2.52" (64mm) of precipitation. Throughout the year, in Oyster Bay Cove, there are 152.5 rainfall days, and 35.04" (890mm) of precipitation is accumulated.Snowfall
In Oyster Bay Cove, snow does not fall in May through October.Ocean temperature
In September, the average ocean temperature is 70.2°F (21.2°C).Note: Swimming is not enjoyable for most people in water that is 70.2°F (21.2°C). As the temperature descends from 69.8°F (21°C) to 59°F (15°C), breathing control becomes harder.
Daylight
The average length of the day in September in Oyster Bay Cove is 12h and 27min.On the first day of the month, sunrise is at 6:21 am and sunset at 7:26 pm. On the last day of September, in Oyster Bay Cove, sunrise is at 6:50 am and sunset at 6:37 pm EDT.
Sunshine
In Oyster Bay Cove, the average sunshine in September is 9h.UV index
The average daily maximum UV index in September in Oyster Bay Cove is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 5 during September translates into the following directions:
Ensure safety - Sun damage prevention is strongly urged. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Notice! The Sun's UV exposure elevates with sand and water reflections.
Frequently asked questions
What is the average September temperature in Oyster Bay Cove?
What is the average humidity in September in Oyster Bay Cove?
How much does it rain in Oyster Bay Cove in September?
When it does not snow in Oyster Bay Cove?
How cold is the water in September in Oyster Bay Cove?
What is the average length of the day in September in Oyster Bay Cove?
When are sunrise and sunset in September in Oyster Bay Cove?
How many hours of sunshine does Oyster Bay Cove have in September?
What is the UV index reading in September in Oyster Bay Cove?
Average temperature in September
Oyster Bay Cove, NY
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in September: 64.2°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (28.6°F).
Average pressure in September
Oyster Bay Cove, 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 (29.93"Hg).
Average wind speed in September
Oyster Bay Cove, NY
- Average wind speed in September: 9.1mph
The windiest month (with the highest average wind speed) is January (12.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in September
Oyster Bay Cove, NY
- Average humidity in September: 73%
The months with the highest relative humidity are May and June (76%).
The month with the lowest relative humidity is November (71%).
Average rainfall in September
Oyster Bay Cove, NY
- Average rainfall in September: 2.52"
The wettest month (with the highest rainfall) is July (4.09").
The driest month (with the least rainfall) is January (2.09").
Average rainfall days in September
Oyster Bay Cove, NY
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (8.1 days).
Average snowfall in September
Oyster Bay Cove, NY
- Average snowfall in September: 0"
The month with the highest snowfall is March (1.77").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Oyster Bay Cove, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in September
Oyster Bay Cove, NY
- Average sea temperature in September: 70.1°F
The best month for swimming (with the highest average sea temperature) is August (74.1°F).
The coldest month (with the lowest average sea temperature) is February (39.9°F).
Average daylight in September /
Average sunshine in September
Oyster Bay Cove, 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: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Oyster Bay Cove, NY
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in September
Oyster Bay Cove, NY
- Average UV index in September: 5
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
Oyster Bay Cove, NY
- Average cloud cover in September: 33
The month with the most cloud cover is December (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 29).
Average visibility in September
Oyster Bay Cove, 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).
Oyster Bay Cove, New York, USA
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