Cook Islands Weather in September: Temperature, Precipitation, Wind
September is the first month of spring in the Cook Islands, and temperatures are on the rise after the cooler winter months. The average temperature is around 22.3°C (72.2°F), with highs of 24.6°C (76.3°F) and lows of 20.4°C (68.7°F). The average humidity is 71.9%. The Cook Islands experience an increase in precipitation in September, with an average of 28 rainy days throughout the month. There is an average total rainfall of 2.72mm (0.11 inches) and a 53.3% chance of precipitation, with rain being the most common type of precipitation. The island nation has an average cloud cover of 65.1%. Winds are moderate in September, with an average speed of 27.2 km/h (16.9 mph) and gusts of up to 41.4 km/h (25.7 mph). The average visibility is 12.8 km (7.9 miles), and the average UV index is 7.9, indicating a high risk of sunburn. The seas have an average severe weather risk rating of 10.
What is the temperature in Cook Islands in September?
Average air temperature in Cook Islands is 22.3°C (72.2°F) in September. The outside temperature in Cook Islands feels like 22.4°C (72.3°F) on a typical September day. The highest average temperature during sunny days is 24.6°C (76.3°F) and feels like 25°C (77°F). The lowest average temperature after dark is 20.4°C (68.7°F) which feels like 20.4°C (68.7°F).
How hot is Cook Islands in September?
The hot temperature in September in Cook Islands rises to 27.3°C (81.1°F) on sunny days with low cloud coverage and 71.9% humidity. During hottest days of September it feels like 30.8 °C (87.4°F). The average maximum temp in Cook Islands is 24.6°C (87.4°F) during day time in September.
How cold is Cook Islands in September?
The coldest temp in Cook Islands in September drops to 14°C (57.2°F) during the cold nights. With 27.2km/h (16.9mph) winds and 71.9% humidity it feels like 14°C (57.2°F) on the coldest nights. The average minimum temperature is 20.4°C (68.7°F) during night time in September.
Does it rain in Cook Islands in September?
Yes, it rains for 28 days in Cook Islands in September averaging 2.72 mm of precipitation. Cook Islands has a 53.3% chance for rain throughout the entire month of September.
How much does it rain in Cook Islands throughout September?
Cook Islands has 2.72 mm (0.11 inch) of rain per day on average in September. It rains for an average of 28 days out of the entire month.
Is Cook Islands windy in September?
The average speed of wind in Cook Islands during September is 27.2km/h (16.9mph) and average windgust is 41.4km/h (25.7mph). On some days in September wind can reach up to 37.1km/h (23.1mph).
What is the direction of the wind in Cook Islands in September?
Most days of September the wind is blowing from East direction in Cook Islands.
What are the humidity levels in Cook Islands in September?
The average humidity levels in Cook Islands in September are 71.9%. Daily humidity levels in Cook Islands range from 53.6% to 91% during September.
How many hours of daylight are in Cook Islands in September?
Cook Islands has 11 hours 58 minutes of daylight in September on average. Sunset and sunrise times gradually change throughout the month. Sunrise in Cook Islands in September is at 6:34:44 and the sunset is at 18:33:44.
What is the cloud coverage in Cook Islands in September?
Clouds cover 65.1% of the sky on average throughout September in Cook Islands. The cloud coverage ranges from 26.1% to 97.1% depending on the day of the month.
What is the UV level in September in Cook Islands?
The average UV index in Cook Islands is 7.9 in September. UV levels change throughout the month and range from 1 to 10.
What is the solar radiation in Cook Islands in September?
The average solar radiation is 208.5 W/m2 (Watts per square meter) in Cook Islands during September. However solar radiation levels change throughout the month and range from 29.5 W/m2 to 303 W/m2.
What is the solar energy during September in Cook Islands?
The average solar energy during September in Cook Islands is 18 MJ/m2 (megajoules per square metre). Solar energy ranges from 2.5 MJ/m2, to 26.3 MJ/m2 during September.
Are there severe weather risks in Cook Islands in September?
Yes, there is a 10% risk for severe weather in Cook Islands in September.
What is the air pressure in Cook Islands in September?
On average the air pressure in Cook Islands in September is 1016.7 mb (millibars). Throughout the month the sea level pressure ranges from 1012.9 mb to 1019.7 mb.
What is the visibility in Cook Islands in September?
The average daylight visibility in Cook Islands in September is 12.8 km (8 miles). Depending on the precipitation the visibility ranges from 10.6 km (6.6 miles) to 16 km (9.9 miles) throughout September.
What is the dew point in Cook Islands in September?
The average dew point in Cook Islands during September is 16.8°C (62.2°F).
Where is the data for Cook Islands climate in September coming from?
The climate data for Cook Islands in September is collected from the following weather stations.
- RAROTONGA INTERNATIONAL, CW
- NCRG