Weather in Long Beach, United States in September

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Visiting Long Beach, United States in September

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

September has average maximum temperatures of 28°C (83°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 77% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.5hrs making the days long and bright.

September has total rainfall of 0.2cm (0.1inches) making it extremely dry with only very rare light showers. There are just 0.9 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days and rainy days are few and far between.

Sea temperatures are a moderate 21°C (69°F). September is a pleasant month for swimming in Long Beach though some people may prefer warmer water. The sea temperature in September is slightly warmer than the previous month.

Also consider visiting Long Beach 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 Long Beach in September?

Yes, September is a great time for sunbathing in Long Beach.

September has average maximum temperatures of 28°C (83°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 77% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.5hrs making the days long and bright. September has total rainfall of 0.2cm (0.1inches) making it extremely dry with only very rare light showers. There are just 0.9 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days and rainy days are few and far between.

More about September temperature and sunshine.

Can you swim in Long Beach in September?

Yes, September is a pleasant month for swimming in Long Beach with moderate sea temperatures 21°C (69°F).

More about September sea temperatures.

Is September a good time to holiday in Long Beach?

Yes, September is a great time for a holiday in Long Beach.

September has average maximum temperatures of 28°C (83°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 77% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.5hrs making the days long and bright. September has total rainfall of 0.2cm (0.1inches) making it extremely dry with only very rare light showers. There are just 0.9 days with some rainfall so you can still enjoy the beach on the majority of rain free clear days and rainy days are few and far between. Sea temperatures are a moderate 21°C (69°F). September is a pleasant month for swimming in Long Beach though some people may prefer warmer water.

More about the September temperatures and sunshine.

Is Long Beach warm in September?

Yes, Long Beach is very warm and perfect for sunbathing on clear days in September.

The average maximum temperature in Long Beach in September is 28°C (83°F). The average maximum temperature is 28°C (83°) in the previous month and 25°C (77°F) in the next month.

The average temperature in Long Beach in September is 23°C (73°F). The average temperature is 23°C (74°F) in the previous month and 20°C (68°F) in the next month.

More info about the September temperatures and sunshine.

How sunny is Long Beach in September?

The average day light hours per day in Long Beach in September are 12.4. The sunshine percentage is 77% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.5hrs making the days long and bright.

More about September sunshine.

Temperature in Long Beach in September

The average maximum temperature in Long Beach in September is 28°C (83°F). The average maximum temperature is 28°C (83°F) in the previous month and 25°C (77°F) in the next month.

The average temperature in Long Beach in September is 23°C (73°F). The average temperature is 23°C (74°F) in the previous month and 20°C (68°F) in the next month.

The average minimum temperature in Long Beach in September is 18°C (64°F). The minimum temperature is 18°C (65°F) in the previous month and 15°C (58°F) in the next month.

Sunshine in Long Beach in September

The days in September are slightly shorter than the previous month and days continue to get slightly shorter into October. September has fewer hours of sunshine than the previous month and hours of sunshine continue to drop quickly into October. During September the average day light hours are 12.4 per day in Long Beach. The sunshine percentage is 77% making it sunny and pleasant most of the time. The hours of sunshine per day are 9.5hrs making the days long and bright.

The ultraviolet index in Long Beach in September is typically 9.1 during September. An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. 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 Long Beach in September

The average sea water temperature in Long Beach in September is 20.6°C (69.1°F) which is comfortable for swimming though some may prefer warmer water. The sea temperature in September is slightly warmer than the previous month.

Rainfall in Long Beach in September

September weather is slightly drier than the previous month. September has a couple of more days of rain than the previous month and rainy days continue to rise into October. The average total rainfall in Long Beach in September is 0.2cm (0.1inches) and on average there are 0.9 rainy days in September making it an extremely dry time to visit the beach.

Humidity in Long Beach in September

The maximum dew point (an indicator of humidity) in Long Beach in September is 16°C (61°F) which is OK for most but slightly uncomfortable for some. The dew point is 17°C (62°F) in the previous month and 14°C (14°F) in the next month.

The average maximum relative humidity in Long Beach in September is typically 86.1%. The maximum relative humidity is 85.6% in the previous month and 86.5% in the next month.

The average relative humidity in Long Beach in September is typically 65.1%. The average relative humidity is 65.7% in the previous month and 64.9% in the next month.

Wind Speed in Long Beach in September

The average maximum wind speed in Long Beach in September is typically 22KM/H (14MPH). The average maximum wind speed is 21KM/H (13MPH) in the previous month and 22KM/H (13MPH) in the next month.

The average wind speed in Long Beach in September is typically 8KM/H (5MPH). The average wind speed is 8KM/H (5MPH) in the previous month and 7KM/H (4MPH) in the next month.

The average wind direction in Long Beach in September is from the West.

Monthly Averages

Suggested Beaches in September

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Need Inspiration?

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