Rakahanga Weather in September
September in Rakahanga brings high temperatures, with daytime highs of 29°C (84°F) and nights around 26°C (79°F). Rainfall is at its lowest this month, making it one of the more reliable months to be outdoors.
Rainfall in Rakahanga in September
As the driest month, it's a great time for hiking and exploring the area. Based on our climate data of the past 30 years, about 13 days of rain are anticipated, with 119 mm (4.7 in) on average. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Rakahanga in September
In September, Rakahanga gets high temperatures, with highs of 29°C (84°F). Nights cool to around 26°C (79°F). Conditions stay fairly consistent through the month, making it easier to plan what to wear. At 26°C (79°F) overnight, the heat doesn't let up much after dark. If you're staying somewhere without air conditioning, a cold shower before bed and keeping the air moving can help.Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August, September and October typically offer the best weather for Rakahanga.
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 Rakahanga's climate page.
Rakahanga Temperature in September
Min Temperature
26°C (79°F)
Max Temperature
29°C (84°F)
Chance of Rain
44%
Precipitation
119 mm (4.7 in)
Rainy days
13 days
Daily Historical Temperatures
32-year average (1987-2025)
Based on our historical records, temperatures in Rakahanga typically stay consistent throughout September, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in September
Historical weather for Rakahanga in September
Browse day-by-day weather records for Rakahanga spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Rakahanga historical weather extremes in September
Based on 19 years of weather observations (2006-2025), these are the most extreme conditions recorded in Rakahanga.
- The warmest day in September was on September 15, 2016, with a maximum of 36°C (97°F).
- Rakahanga experienced its chilliest September day on September 8, 2008, reaching only 26°C (79°F).
- Nighttime temperatures dropped to 22°C (72°F) on September 26, 2011, marking the coldest September night on record.
Best Places in the Cook Islands in September
Find out more about the weather in the Cook Islands and which places have the best travel conditions in this month. See all of the Cook Islands in September →
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What to Wear in Rakahanga in September
Warm but pleasant conditions in Rakahanga in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags.What To Do in Rakahanga in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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 Rakahanga's climate page.
See the full Rakahanga climate overview or explore weather in the Cook Islands.
