Aitutaki Weather in September
Thinking of visiting Aitutaki in September? Expect high temperatures reaching 26°C (79°F) during the day, dropping to 24°C (75°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Aitutaki in September
Historically, approximately 12 days this month are expected to have rain, averaging 79 mm (3.1 in). Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Aitutaki in September
September in Aitutaki is generally perfect, with days reaching 26°C (79°F) and nights settling around 24°C (75°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 24°C (75°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.
Sunshine in Aitutaki in September
The city usually sees around 189 hours of sunlight, indicating a moderately sunny period.
Wind Speed in Aitutaki in September
September sees wind speeds averaging 6 m/s (12 knots). You'll experience strong winds that cause whole trees to sway and require effort when walking against them. As an average, expect variation from moderate breezes to particularly windy days that affect daily routines.If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Aitutaki.
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 Aitutaki's climate page.
Aitutaki Temperature in September
Min Temperature
24°C (75°F)
Max Temperature
26°C (79°F)
Chance of Rain
39%
Precipitation
79 mm (3.1 in)
Rainy days
12 days
Windspeed
6 m/s (12 knots)
Sunshine
189 hours
Percentage Sunshine
Daily Historical Temperatures
42-year average (1976-2025)
Based on our historical records, temperatures in Aitutaki typically stay consistent throughout September, with daily highs averaging around 26°C (79°F). Nights are warm, with lows around 23°C (73°F).
Average temperatures in September
Historical weather for Aitutaki in September
Browse day-by-day weather records for Aitutaki spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Aitutaki historical weather extremes in September
Based on 19 years of weather observations (2006-2025), these are the most extreme conditions recorded in Aitutaki.
- The warmest day in September was on September 4, 2016, with a maximum of 36°C (97°F).
- On September 13, 2009, Aitutaki saw its coldest September day with temperatures maxing out at 23°C (73°F).
- Aitutaki registered its coldest September night on September 16, 2016, with temperatures dropping to 17°C (63°F).
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 →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Aitutaki in September
Warm but pleasant conditions in Aitutaki 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. Wet weather is likely, so pack waterproof gear for multiple rainy days. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Aitutaki 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 Aitutaki's climate page.
Temperature Rainfall Sunshine Wind Speed
See the full Aitutaki climate overview or explore weather in the Cook Islands.
