Arutanga Weather in September
In Arutanga, September brings high daytime temperatures around 26°C (79°F), with nights cooling to 24°C (75°F). Expect quite a bit of rainfall this month.
Rainfall in Arutanga in September
Typically, about 12 days will experience rainfall, with an average of 79 mm (3.1 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in Arutanga in September
Arutanga in September is worth a visit. The temperature is perfect, with 26°C (79°F) during the day and 24°C (75°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights stay warm at around 24°C (75°F), so light bedding and good ventilation are worth thinking about.
Sunshine in Arutanga in September
The area experiences a moderate amount of sunshine, with approximately 189 hours of sunlight expected. This means a decent mix of sun and overcast.
Wind Speed in Arutanga in September
Wind speeds average 6 m/s (12 knots) during September. At this speed, expect strong winds that make large branches move and create some resistance when walking. Since this is an average, some days have fresh winds while others have strong breezes that can make umbrellas tricky to control.If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Arutanga.
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 Arutanga's climate page.
Arutanga 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 Arutanga 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 Arutanga in September
Browse day-by-day weather records for Arutanga spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Arutanga historical weather extremes in September
The extremes listed below come from historical weather data collected in Arutanga from 2006 through 2025.
- Arutanga recorded its highest September temperature of 36°C (97°F) on September 4, 2016.
- The lowest daytime temperature in September was 23°C (73°F), recorded on September 13, 2009.
- The lowest overnight temperature recorded in September was 17°C (63°F) (September 16, 2016).
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 Arutanga in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Rain gear is recommended, you can expect wet weather on multiple days. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Arutanga 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 Arutanga's climate page.
Temperature Rainfall Sunshine Wind Speed
See the full Arutanga climate overview or explore weather in the Cook Islands.
