September weather forecastLido Beach, NY
September
Weather in September
September, the first month of the autumn in Lido Beach, is still a pleasant month, with an average temperature fluctuating between 72.3°F (22.4°C) and 65.3°F (18.5°C).Temperature
In Lido Beach, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's warm 78.4°F (25.8°C) to a pleasant 72.3°F (22.4°C). Night temperatures during September in Lido Beach experience a slight downturn, averaging an enjoyable 65.3°F (18.5°C).Humidity
In September, the average relative humidity is 75%.Rainfall
In Lido Beach, during September, the rain falls for 13.8 days and regularly aggregates up to 2.68" (68mm) of precipitation. In Lido Beach, New York, during the entire year, the rain falls for 159.2 days and collects up to 37.17" (944mm) of precipitation.Snowfall
In Lido Beach, snow does not fall in May through September.Ocean temperature
In Lido Beach, in September, the average water temperature is 70.2°F (21.2°C).Note: For most individuals, swimming in 70.2°F (21.2°C) is not a pleasant experience. The difficulty in managing breathing increases as the temperature decreases from 69.8°F (21°C) to 59°F (15°C).
Daylight
In Lido Beach, the average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 6:22 am and sunset at 7:26 pm. On the last day of September, sunrise is at 6:50 am and sunset at 6:37 pm EDT.
Sunshine
In September, the average sunshine in Lido Beach is 9h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 5 during September translates into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Warning! The Sun's UV rays intensify with reflections from sand and water.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Lido Beach, NY
- Average high temperature in September: 72.3°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in September: 65.3°F
The month with the highest average low temperature is August (71.8°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in September
Lido Beach, NY
- Average pressure in September: 30.05"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
Lido Beach, NY
- Average wind speed in September: 10.2mph
The windiest month (with the highest average wind speed) is January (13.6mph).
The calmest month (with the lowest average wind speed) is July (8.9mph).
Average humidity in September
Lido Beach, NY
- Average humidity in September: 75%
The months with the highest relative humidity are May and June (78%).
The month with the lowest relative humidity is November (71%).
Average rainfall in September
Lido Beach, NY
- Average rainfall in September: 2.68"
The wettest month (with the highest rainfall) is July (4.17").
The driest month (with the least rainfall) is January (2.17").
Average rainfall days in September
Lido Beach, NY
- Average rainfall days in September: 13.8 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in September
Lido Beach, NY
- Average snowfall in September: 0"
The month with the highest snowfall is March (1.5").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Lido Beach, NY
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (4.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average sea temperature in September
Lido Beach, 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
Lido Beach, NY
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 0min).
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 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in September
Lido Beach, NY
- Average sunshine days in September: 15 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is July (10.7 days).
Average UV index in September
Lido Beach, 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 and December (UV index 2).
Average cloud cover in September
Lido Beach, NY
- Average cloud cover in September: 32
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in September
Lido Beach, 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).





