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Temperatures in September
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The Cook Islands temperatures in September

In the Cook Islands in September the average maximum daytime temperatures are high 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.

What is the temperature of the different cities in the Cook Islands in September?

To get a sense of September's typical temperatures in the key spots of the Cook Islands, explore the map below. Click on a point for an in-depth look.

Weather conditions Weather
Temperatures
Precipitation
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Legend very warm warm pleasant moderate cold very cold
Very warm means maximum temperatures above 30°C. Warm: 22°C to 30°C. Pleasant: 18°C to 22°C Moderate: 12°C to 18°C. Cold: 2°C to 12°C. Very cold: lower than 2°C

  • What is the warmest city in September in the Cook Islands?
    • From a thorough analysis of our records, Penrhyn clearly dominates in terms of high temperatures. The city witnesses daytime temperatures hovering around 29°C, and evenings that remain near 26°C.

  • What is the coldest city in September in the Cook Islands?
    • When looking through our records, we find that Rarotonga stands out as the coolest city in the Cook Islands for the month of September. Daytime highs average 25°C and it cools down to about 22°C at night.

  • How much sun does the Cook Islands get in September?
    • The city Rarotonga usually sees around 182 hours of sunlight, indicating a moderately sunny period.

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