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
September sees a slight reduction in average high-temperature, with a shift from a moderately hot 78.4°F (25.8°C) in August to an agreeable 72.3°F (22.4°C). In Long Beach, a slight decrease from the daytime peak is noted during the month of September, with an average low-temperature of 65.3°F (18.5°C).Humidity
The average relative humidity in September is 75%.Rainfall
In September, the rain falls for 13.8 days. Throughout September, 2.68" (68mm) of precipitation is accumulated. In Long Beach, during the entire year, the rain falls for 159.2 days and collects up to 37.17" (944mm) of precipitation.Snowfall
In Long Beach, snow does not fall in May through September.Ocean temperature
In September, the average ocean temperature is 70.2°F (21.2°C).Note: In water with a temperature of 70.2°F (21.2°C), most people do not enjoy swimming. As the temperature descends from 69.8°F (21°C) to 59°F (15°C), breathing becomes increasingly difficult to control.
Daylight
The average length of the day in September is 12h and 27min.On the first day of September, sunrise is at 6:22 am and sunset at 7:26 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 6:37 pm EDT.
Sunshine
In September, the average sunshine is 9h.UV index
In September, the average daily maximum UV index in Long Beach is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Stay vigilant! UV rays get a boost in intensity due to sand and water reflections.
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 much does it rain in September?
When it does not snow?
Does it snow in September?
What is the ocean temperature in September?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index reading in September in Long Beach?
Average temperature in September
Long 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
Long 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
Long 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
Long 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
Long 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
Long 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
Long 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
Long 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
Long 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
Long Beach, NY
- Average daylight in September: 12h and 3min
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
Long 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
Long 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
Long 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
Long 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).
Long Beach, New York, USA
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