Weather in Poipu Beach, Koloa, United States in September

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Visiting Poipu Beach, Koloa, United States in September

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

September is hot, and sunny but overcast at times with many bright days. September is very rainy with frequent showers and only a few dry days. Also consider visiting Poipu Beach in one of the other best months of April, May, August, for the best beach weather.

In September, the weather at Poipu Beach remains warm and sunny, with occasional passing showers. The ocean conditions are still suitable for swimming, snorkeling, and diving. Surfing conditions begin to improve as the swells start to shift from the south to the north, making it a good time for surfers of all levels. Windsurfing and kitesurfing conditions remain favorable. Also consider one of our other suggestions for September.

Can you sunbathe in Poipu Beach in September?

Yes, September is not an optimal time for sunbathing but it is possible on clearer days in Poipu Beach. September is hot with lots of sunshine but some overcast and cloudy skies, still great for sunbathing, and there is very high chance of rain showers.

The average maximum temperature in Poipu Beach in September is 29°C (85°F).

More about September temperature and sunshine.

Can you swim in Poipu Beach in September?

Yes, September is an excellent month for swimming in Poipu Beach with very warm sea temperatures 28°C (82°F).

More about September sea temperatures.

Can you visit Poipu Beach in September?

Yes, September is a good time for visiting Poipu Beach.

September is hot and sunny but overcast at times with many bright days. It is very rainy with frequent showers and only a few dry days.

It's a pretty rainy month, however on the days with out rain it's perfect for laying on the beach and enjoying the sunshine.

The average maximum temperature in Poipu Beach in September is 29°C (85°F).

More about the September temperatures and sunshine.

How cold is Poipu Beach in September?

The average minimum temperature in Poipu Beach in September is 23°C (74°F). The minimum temperature is 24°C (74°F) in the previous month and 23°C (73°F) in the next month.

More about the September temperatures and sunshine.

How sunny is Poipu Beach in September?

The average day light hours per day in Poipu Beach in September are 12.3 and there are 7.7 hours of sunshine per day on average during September, making it sunny but overcast at times with many bright days.

More about September sunshine.

Is it warm enough to swim in Poipu Beach in September?

Yes, September is an excellent month for swimming in Poipu Beach with very warm sea temperatures 28°C (82°F).

More about September sea temperatures.

Is September a good time to holiday in Poipu Beach?

Yes, September is a good time for a holiday in Poipu Beach.

September is hot and sunny but overcast at times with many bright days. It is very rainy with frequent showers and only a few dry days.

It's a pretty rainy month, however on the days with out rain it's perfect for laying on the beach and enjoying the sunshine.

The average maximum temperature in Poipu Beach in September is 29°C (85°F).

More about the September temperatures and sunshine.

Is Poipu Beach in September worth visiting?

Yes, Poipu Beach is worth visiting in September.

September is hot and sunny but overcast at times with many bright days. It is very rainy with frequent showers and only a few dry days.

It's a pretty rainy month, however on the days with out rain it's perfect for laying on the beach and enjoying the sunshine.

The average maximum temperature in Poipu Beach in September is 29°C (85°F).

More about the September temperatures and sunshine.

Is Poipu Beach warm in September?

Yes, Poipu Beach is hot in September.

The average maximum temperature in Poipu Beach in September is 29°C (85°F). The average maximum temperature is 29°C (85°) in the previous month and 29°C (84°F) in the next month.

The average temperature in Poipu Beach in September is 27°C (80°F). The average temperature ranges is 27°C (80°F) in the previous month and 26°C (79°F) in the next month.

More info about the September temperatures and sunshine.

Crowds in Poipu Beach in September

In September, the crowds at Poipu Beach begin to decrease, as children return to school and summer vacations come to an end. The beach is still relatively busy, but not as crowded as in the peak summer months.

Temperature in Poipu Beach in September

The average maximum temperature in Poipu Beach in September is 29°C (85°F). The average maximum temperature is 29°C (85°F) in the previous month and 29°C (84°F) in the next month.

The average temperature in Poipu Beach in September is 27°C (80°F). The average temperature ranges is 27°C (80°F) in the previous month and 26°C (79°F) in the next month.

The average minimum temperature in Poipu Beach in September is 23°C (74°F). The minimum temperature is 24°C (74°F) in the previous month and 23°C (73°F) in the next month.

Sunshine in Poipu Beach in September

The average day light hours per day in Poipu Beach in September are 12.3 and there are 7.7 hours of sunshine per day on average during September making it sunny but overcast at times with many bright days

The ultraviolet index in Poipu Beach in September is typically 11.7 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 Poipu Beach in September

The average sea water temperature in Poipu Beach in September is 27.7°C (81.9°F) which is very warm and ideal for relaxing and swimming for the whole day.

Rainfall in Poipu Beach in September

The average total rainfall in Poipu Beach in September is 4.8cm (1.9inches) and on average there are 23.2 rainy days in September making it a very wet time to visit the beach.

Humidity in Poipu Beach in September

The maximum dew point (an indicator of humidity) in Poipu Beach in September is 22°C (71°F) which is very humid and quite uncomfortable for most unless you are on a beach. At night you would most likely require a fan. The dew point is 22°C (71°F) in the previous month and 22°C (22°F) in the next month.

The average maximum relative humidity in Poipu Beach in September is typically 83.5%. The maximum relative humidity is 82.9% in the previous month and 85% in the next month.

The average relative humidity in Poipu Beach in September is typically 71.8%. The average relative humidity is 71.9% in the previous month and 73.3% in the next month.

Wind Speed in Poipu Beach in September

The average maximum wind speed in Poipu Beach in September is typically 32KM/H (20MPH). The average maximum wind speed is 33KM/H (20MPH) in the previous month and 30KM/H (19MPH) in the next month.

The average wind speed in Poipu Beach in September is typically 20KM/H (12MPH). The average wind speed is 22KM/H (14MPH) in the previous month and 19KM/H (12MPH) in the next month.

The average wind direction in Poipu Beach in September is from the North-Northeast.

Monthly Averages

Suggested Beaches in September

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