Weather in Brooklyn, United States in September

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Visiting Brooklyn, United States in September

September is one of the best months to visit Brooklyn for the best beach weather. It has the most sunshine and best sunbathing and swimming conditions of the year.

The weather in September is cooler than the previous month and temperatures continue to drop markedly into October. September has average maximum temperatures of 25°C (76°F) which is nice and warm and makes sunbathing pleasant on clear days. The sunshine percentage is 64% making it sunny but overcast at times. The hours of sunshine per day are 8.0hrs making the days quite long and bright.

September has total rainfall of 8.8cm (3.5inches) making it mostly dry with only light showers. There are just 9 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days.

Sea temperatures are a moderate 20°C (69°F). September is a pleasant month for swimming in Brooklyn though some people may prefer warmer water. The sea temperature in September is marginally cooler than the previous month and temperatures continue to drop quickly into October.

Also consider visiting Brooklyn in one of the other best months of June, July, August, for the best beach weather. Also consider one of our other suggestions for September.

Can you sunbathe in Brooklyn in September?

Yes, September is a good time for sunbathing in Brooklyn.

September has average maximum temperatures of 25°C (76°F) which is nice and warm and makes sunbathing pleasant on clear days. The sunshine percentage is 64% making it sunny but overcast at times. The hours of sunshine per day are 8.0hrs making the days quite long and bright. September has total rainfall of 8.8cm (3.5inches) making it mostly dry with only light showers. There are just 9 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days.

More about September temperature and sunshine.

Can you swim in Brooklyn in September?

Yes, September is a pleasant month for swimming in Brooklyn with moderate sea temperatures 20°C (69°F).

More about September sea temperatures.

Is September a good time to holiday in Brooklyn?

Yes, September is a good time for a holiday in Brooklyn.

September has average maximum temperatures of 25°C (76°F) which is nice and warm and makes sunbathing pleasant on clear days. The sunshine percentage is 64% making it sunny but overcast at times. The hours of sunshine per day are 8.0hrs making the days quite long and bright. September has total rainfall of 8.8cm (3.5inches) making it mostly dry with only light showers. There are just 9 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days. Sea temperatures are a moderate 20°C (69°F). September is a pleasant month for swimming in Brooklyn though some people may prefer warmer water.

More about the September temperatures and sunshine.

Is Brooklyn warm in September?

Yes, Brooklyn is nice and warm and makes sunbathing pleasant on clear days in September.

The average maximum temperature in Brooklyn in September is 25°C (76°F). The average maximum temperature is 28°C (83°) in the previous month and 19°C (65°F) in the next month.

The average temperature in Brooklyn in September is 21°C (69°F). The average temperature is 24°C (76°F) in the previous month and 15°C (58°F) in the next month.

More info about the September temperatures and sunshine.

How sunny is Brooklyn in September?

The average day light hours per day in Brooklyn in September are 12.5. The sunshine percentage is 64% making it sunny but overcast at times. The hours of sunshine per day are 8.0hrs making the days quite long and bright.

More about September sunshine.

Temperature in Brooklyn in September

The weather in September is cooler than the previous month and temperatures continue to drop markedly into October. The average maximum temperature in Brooklyn in September is 25°C (76°F). The average maximum temperature is 28°C (83°F) in the previous month and 19°C (65°F) in the next month.

The average temperature in Brooklyn in September is 21°C (69°F). The average temperature is 24°C (76°F) in the previous month and 15°C (58°F) in the next month.

The average minimum temperature in Brooklyn in September is 17°C (62°F). The minimum temperature is 20°C (68°F) in the previous month and 11°C (51°F) in the next month.

Sunshine in Brooklyn in September

The days in September are shorter than the previous month and days continue to get shorter into October. September has less hours of sunshine than the previous month and hours of sunshine continue to drop into October. During September the average day light hours are 12.5 per day in Brooklyn. The sunshine percentage is 64% making it sunny but overcast at times. The hours of sunshine per day are 8.0hrs making the days quite long and bright.

The ultraviolet index in Brooklyn in September is typically 6.7 during September. An ultraviolet index reading of 6 to 7 indicates a high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 20 minutes. Protection against skin and eye damage is needed. Tanning will be safest before 10am and after 4pm. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.

Sea Temperature in Brooklyn in September

The average sea water temperature in Brooklyn in September is 20.3°C (68.5°F) which is comfortable for swimming though some may prefer warmer water. The sea temperature in September is marginally cooler than the previous month and temperatures continue to drop quickly into October.

Rainfall in Brooklyn in September

September weather is slightly drier than the previous month. September has fewer days of rain than the previous month. The average total rainfall in Brooklyn in September is 8.8cm (3.5inches) and on average there are 9 rainy days in September making it a quite rainy time to visit the beach.

Humidity in Brooklyn in September

The maximum dew point (an indicator of humidity) in Brooklyn in September is 17°C (62°F) which is OK for most but slightly uncomfortable for some. The dew point is 20°C (67°F) in the previous month and 11°C (11°F) in the next month.

The average maximum relative humidity in Brooklyn in September is typically 84.5%. The maximum relative humidity is 85.3% in the previous month and 82.6% in the next month.

The average relative humidity in Brooklyn in September is typically 67.5%. The average relative humidity is 67.7% in the previous month and 66.1% in the next month.

Wind Speed in Brooklyn in September

The average maximum wind speed in Brooklyn in September is typically 30KM/H (19MPH). The average maximum wind speed is 30KM/H (19MPH) in the previous month and 33KM/H (21MPH) in the next month.

The average wind speed in Brooklyn in September is typically 16KM/H (10MPH). The average wind speed is 15KM/H (9MPH) in the previous month and 18KM/H (11MPH) in the next month.

The average wind direction in Brooklyn in September is from the South-Southwest.

Monthly Averages

Suggested Beaches in September

Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.

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Need Inspiration?

Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.