Rarotonga Weather in September
Cook Islands · 30-year monthly averages
👍 Good time to visit
September in Rarotonga is warm, with average daytime highs around 26°C (78°F) and nighttime lows near 20°C (68°F). Expect roughly 138mm of precipitation, and this is one of the wetter months.
Avg high
26°C
78°F
Avg low
20°C
68°F
Rainfall
138mm
rainy
Mean temp
23°C
73°F
🎒 What to pack
- light summer clothing
- sunscreen and sunglasses
- compact umbrella or rain jacket
September vs the rest of the year
FAQ
- How hot is Rarotonga in September?
- September in Rarotonga is warm, with average daytime highs around 26°C (78°F) and nighttime lows near 20°C (68°F). Expect roughly 138mm of precipitation, and this is one of the wetter months.
- Does it rain a lot in Rarotonga in September?
- Rarotonga sees around 138mm of precipitation in September on average — rainy by global standards.
- Is September a good time to visit Rarotonga?
- September is a good month to visit Rarotonga, with generally agreeable conditions.