Weather in September
Temperature
In Oneroa Village, the average high-temperature in September is relatively the same as in August - a still warm 26°C (78.8°F). The average low-temperature, in September, is 19°C (66.2°F).Rainfall
July and September are months with the least rain when the rain falls for 5 days and typically aggregates up to 102mm (4.02") of rain.Sea temperature
July through October, with an average sea temperature of 24°C (75.2°F), are months with the coldest seawater in Oneroa Village.Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 24°C (75.2°F) water. (FYI: The Olympic swimming competition requires a water temperature between 25°C (77°F) and 28°C (82.4°F).)
Daylight
In September, the average length of the day is 11h and 59min.On the first day of September in Oneroa Village, sunrise is at 06:41 and sunset at 18:22. On the last day of the month, sunrise is at 06:13 and sunset at 18:30 -10.
Sunshine
The average sunshine in September is 5h.UV index
The average daily maximum UV index in September is 10. A UV Index value of 8 to 10 symbolizes a very high threat to health from exposure to the Sun's UV radiation for average individuals.Note: In September, the average maximum UV index of 10 translate into the following recommendations:
Take special precautions, as unprotected skin can be damaged and can burn quickly. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Prolonged stay under the direct sun should be avoided as much as possible, especially if a person burns easily. Sunscreen with a minimum 30 sun protection factor should always be used. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.
FAQ
What is the temperature in September in Oneroa Village?
What is the driest month in Oneroa Village?
How much does it rain in Oneroa Village in September?
What months are the sea coldest in Oneroa Village?
What is the water temperature in September in Oneroa Village?
How many hours of daylight does Oneroa Village have in September?
What time are sunrise and sunset in September in Oneroa Village?
How many hours of sunshine does Oneroa Village have in September?
How high is the UV index in September in Oneroa Village?
Average temperature in September
Oneroa Village, Cook Islands
- Average high temperature in September: 26°C
The warmest months (with the highest average high temperature) are January, February and March (29°C).
The months with the lowest average high temperature are July and August (25°C).
- Average low temperature in September: 19°C
The months with the highest average low temperature are January, February and March (23°C).
The coldest months (with the lowest average low temperature) are June, July, August and September (19°C).
Average rainfall in September
Oneroa Village, Cook Islands
- Average rainfall in September: 102mm
The wettest month (with the highest rainfall) is January (236mm).
The driest months (with the least rainfall) are July and September (102mm).
Average rainfall days in September
Oneroa Village, Cook Islands
- Average rainfall days in September: 5 days
The months with the highest number of rainy days are January and March (17 days).
The month with the least rainy days is August (3 days).
Average sea temperature in September
Oneroa Village, Cook Islands
- Average sea temperature in September: 24°C
The best month for swimming (with the highest average sea temperature) is March (28°C).
The coldest months (with the lowest average sea temperature) are July, August, September and October (24°C).
Average daylight in September /
Average sunshine in September
Oneroa Village, Cook Islands
- Average daylight in September: 11h and 59min
The month with the longest days is December (Average daylight: 13h and 27min).
The month with the shortest days is June (Average daylight: 10h and 49min).
- Average sunshine in September: 5h
The months with the most sunshine are January and March (Average sunshine: 17h).
The month with the least sunshine is August (Average sunshine: 3h).
Average UV index in September
Oneroa Village, Cook Islands
- Average UV index in September: 10
The months with the highest UV index are January, February, March, October, November and December (UV index 12).
The months with the lowest UV index are June and July (UV index 6).
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