Weather in September in The Cook Islands
Planning a getaway to the Cook Islands this September and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:
What is the weather like in the Cook Islands in September?
September in the Cook Islands generally has warm temperatures, with precipitation levels ranging from moderate to high.
Temperatures
The average maximum temperatures are warm and range from 25°C in Rarotonga to 29°C in Penrhyn. Nighttime temperatures generally drop to 26°C in Penrhyn and 22°C in Rarotonga.For a closer look at conditions across the Cook Islands, refer to the map below.
Precipitation
In September, precipitation varies across different areas. From moderate rainfall in Arutanga with an average of 79 mm to high rainfall in Pukapuka with 142 mm.Average sunshine
Rarotonga enjoys a balanced 182 hours of sunlight. Ensuring it's neither too overcast nor too sunny.For a more detailed look at the Cook Islands's conditions throughout the year, check out our the Cook Islands climate page.
Where to go in the Cook Islands in September
perfect weather
pleasant
tolerable
unpleasant
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Select a Month of Interest
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the Cook Islands, check out our Cook Islands's climate page.
Popular destinations
What is the weather like in September for the 5 most popular destinations in the Cook Islands?
Rarotonga
In September Rarotonga generally has high temperatures with maximum daytime temperatures around 25°C, minimum nighttime temperatures around 22°C and moderate monthly rainfall. So on average the conditions are perfect that month.
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Arutanga
In September Arutanga generally has high temperatures with maximum daytime temperatures around 26°C, minimum nighttime temperatures around 24°C and moderate monthly rainfall. So on average the conditions are perfect that month.
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Arorangi
In September Arorangi generally has high temperatures with maximum daytime temperatures around 25°C, minimum nighttime temperatures around 22°C and moderate monthly rainfall. So on average the conditions are perfect that month.
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Avarua
In September Avarua generally has high temperatures with maximum daytime temperatures around 25°C, minimum nighttime temperatures around 22°C and moderate monthly rainfall. So on average the conditions are perfect that month.
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Muri
In September Muri generally has high temperatures with maximum daytime temperatures around 25°C, minimum nighttime temperatures around 22°C and moderate monthly rainfall. So on average the conditions are perfect that month.
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Is your destination not in the list? Have a look at other destinations in the Cook Islands.
Is September the best time to visit the Cook Islands?
We believe that September is one of the best times to visit the Cook Islands with overall perfect weather in Rarotonga.
On average, the best time to visit the Cook Islands is in June, August, September and October with generally perfect weather in Rarotonga. On the other hand, the weather in January, February and December tend to be unpleasant.
Interested in more climate information?
We have much more information about the climate in the Cook Islands.
Weather and climate has detailed information for every country in the world. Are you going to the Cook Islands? Get detailed historical weather averages for many cities in the Cook Islands.
Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.