Weather in Lanai Island, United States in September

So you're interested in going to Lanai Island, United States in September

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

Temperature in Lanai Island in September

The average maximum temperature in Lanai Island in September is 28°. The average maximum temperature is 28° in the previous month and 27° in the next month.

The average temperature in Lanai Island in September is 23°. The average temperature ranges is 23° in the previous month and 23° in the next month.

The average minimum temperature in Lanai Island in September is 19°. The minimum temperature is 19° in the previous month and 19° in the next month.

Sunshine in Lanai Island in September

The average day light hours per day in Lanai Island in September are 12.3 and there are 7 hours of sunshine per day on average during September making it a quite sunny month with some cloud cover.

The ultraviolet index in Lanai Island in September is typically 12.1 during September. An ultraviolet index reading above 11 indicates an extreme risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 10 minutes. Take all precautions because unprotected skin and eyes can burn in minutes. 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 Lanai Island in September

The average sea water temperature in Lanai Island in September is 27.2° which is very warm and ideal for relaxing and swimming for the whole day.

Rainfall in Lanai Island in September

The average total rainfall in Lanai Island in September is 0.8cm and on average there are 12.5 rainy days in September making it a slightly wet time to visit the beach.

Humidity in Lanai Island in September

The maximum dew point (an indicator of humidity) in Lanai Island in September is 20° which is somewhat uncomfortable for most people in cities but fine on a beach. The dew point is 20° in the previous month and 20° in the next month.

The average maximum relative humidity in Lanai Island in September is typically 90.3%. The maximum relative humidity is 91% in the previous month and 91% in the next month.

The average relative humidity in Lanai Island in September is typically 74.7%. The average relative humidity is 74.7% in the previous month and 75.7% in the next month.

Wind Speed in Lanai Island in September

The average maximum wind speed in Lanai Island in September is typically 31kmh. The average maximum wind speed is 33kmh in the previous month and 27kmh in the next month.

The average wind speed in Lanai Island in September is typically 13kmh. The average wind speed is 15kmh in the previous month and 11kmh in the next month.

The average wind direction in Lanai Island in September is from the North-Northeast.

Monthly Averages

Suggested Beaches in September

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