The Cook Islands weather in September
Considering a trip to the Cook Islands this September and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:
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.
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.
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. Rarotonga enjoys a balanced 182 hours of sunlight. Ensuring it's neither too overcast nor too sunny.
For a closer look at September's conditions in the Cook Islands, see the map below. For a more detailed look at the Cook Islands's yearly weather, check out our the Cook Islands climate page.
Where to go in the Cook Islands in September
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Popular destinations in the Cook Islands
What is the weather like in September for the 5 most popular destinations in the Cook Islands?
Average weather in 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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Average weather in 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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Average weather in 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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Average weather in 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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Average weather in 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.
Interested in the weather conditions in a specific month? Select the month below.
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 climate conditions. Find out where to go with our weather planner.