Weather in Long Beach, Long Beach, United States in September

So you're interested in going to Long Beach, Long Beach, United States in September

September is a hot and extremely dry time for sunbathing in Long Beach. September is an excellent month for swimming in Long Beach with very warm sea temperatures. Consider visiting Long Beach in the months of June, July, August, September, for the best beach weather. Also consider one of our other suggestions for September.

Temperature in Long Beach in September

The average maximum temperature in Long Beach in September is 28°. The average maximum temperature is 28° in the previous month and 25° in the next month.

The average temperature in Long Beach in September is 23°. The average temperature ranges is 23° in the previous month and 20° in the next month.

The average minimum temperature in Long Beach in September is 18°. The minimum temperature is 18° in the previous month and 15° in the next month.

Sunshine in Long Beach in September

The average day light hours per day in Long Beach in September are 12.4 and there are 9.5 hours of sunshine per day on average during September making it a sunny month with few clouds.

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 29.2° which is very warm and ideal for relaxing and swimming for the whole day.

Rainfall in Long Beach in September

The average total rainfall in Long Beach in September is 2.3cm 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° which is OK for most but slightly uncomfortable for some. The dew point is 17° in the previous month and 14° 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 22kmh. The average maximum wind speed is 21kmh in the previous month and 22kmh in the next month.

The average wind speed in Long Beach in September is typically 8kmh. The average wind speed is 8kmh in the previous month and 7kmh in the next month.

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

Monthly Averages

Suggested Beaches in September

Book Accomodation Deals