September · Kiribati
Best time to visit Kiritimati in September Weather, crowds & prices
Weather in Kiritimati in September
Average temperature 27°C, 30 mm of rain, about 30 days with 6+ hours of sunshine and 79% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
7.1/10
Ranked #2 of 12 months
- Avg temp
- 27°C
- Rainfall
- 30 mm
- Humidity
- 79%
- Days with 6h+ sun
- 30
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$ · Moderate Cost ($$)
September in Kiritimati scores 7.1/10 for sightseeing and cultural travel - one of the top 12-month picks (#2). Expect around 27°C, 30 mm of rain, and roughly 30 days with 6+ hours of sunshine this month.
Kiritimati, or Christmas Island, is Kiribati's large Line Islands atoll, known for saltwater flats, lagoons, seabirds, and world-class bonefish and sport-fishing waters.
September in Kiritimati — reliably good (2nd best month)
Days in September average 27°C (81°F) and humidity near 79% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
With around 30 mm of rain, any showers tend to pass through rather than settle in; about 30 days with 6+ hours of sunshine and 12 hours of daylight fill the rest.
That is 7.1/10 on the same scale — 2nd of 12 months, versus 7.2/10 for the best month here.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary.
Expect mid-season pricing, and crowds are moderate.
Frequently asked
- What is the weather like in Kiritimati in September?
- In September, Kiritimati averages 27°C, 30 mm of rain, and about 30 days with 6+ hours of sunshine. Its climate-comfort score is 7.1/10.
- Is September a good time to visit Kiritimati?
- September earns a 7.1/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Kiritimati in September?
- Expect about 30 mm of rain in September. Average humidity is 79% and there are about 30 days with 6+ hours of sunshine.
Curated in Kiritimati
Tickets & experiences
Things to do in Kiritimati
Kiritimati, Kiribati. Live activities and tours from GetYourGuide, matched to this destination.