Aitutaki
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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 excellent, 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.

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

Aitutaki Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Aitutaki - and find the best time to visit.

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 records 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 20 years of weather observations (2006-2026), 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 27, 2026, 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

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

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 month

What To Do in Aitutaki in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    7/10
  • Cycling
    7/10
  • Walking
    7/10
  • Camping
    8/10
  • Outdoor sports
    7/10

Aitutaki 3-Day Forecast

More climate data for Aitutaki

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

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