Bairiki Weather in September
In Bairiki, September brings high daytime temperatures around 30°C (86°F), with nights cooling to 27°C (81°F). Expect quite a bit of rainfall this month.
Rainfall in Bairiki in September
You can expect rain on around 19 days based on historical patterns, with 104 mm (4.1 in) average for the month. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in Bairiki in September
In September, expect high temperatures in Bairiki, with highs of 30°C (86°F) and lows of 27°C (81°F) at night. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With lows of 27°C (81°F), it stays warm throughout the night. A cold shower before going to sleep is one of the easiest ways to cool down before bed.
Average water temperature in September
The water is 29°C (84°F) — very warm by most standards. Comfortable to swim in, but not particularly refreshing if you're looking to cool off.Our weather planner can help you find worldwide destinations with pleasant weather during this period. February typically offers the best weather for Bairiki.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Kiribati, check out our Bairiki's climate page.
Bairiki Temperature in September
Min Temperature
27°C (81°F)
Max Temperature
30°C (86°F)
Water Temperature
29°C (84°F) *
Chance of Rain
64%
Precipitation
104 mm (4.1 in)
Rainy days
19 days
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Bairiki typically stay consistent throughout September, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 27°C (81°F).
Average temperatures in September
Historical weather for Bairiki in September
Browse day-by-day weather records for Bairiki spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Bairiki historical weather extremes in September
According to our 19 years of weather records for Bairiki, the following extremes were recorded between 2006 and 2025.
- On September 16, 2013, temperatures climbed to 38°C (100°F), marking the warmest September day on record.
- The coldest September day was on September 12, 2011, with a maximum of 28°C (82°F).
- Bairiki registered its coldest September night on September 30, 2015, with temperatures dropping to 20°C (68°F).
Best Places in Kiribati in September
Find out more about the weather in Kiribati and which places have the best travel conditions in this month. See all of Kiribati in September →
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What to Wear in Bairiki 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. Prepare for significant rainfall with proper waterproof clothing and shoes. Expect water temperatures of around 29°C (84°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off.What To Do in Bairiki 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 Kiribati, check out our Bairiki's climate page.
Temperature Rainfall Water Temp
See the full Bairiki climate overview or explore weather in Kiribati.
