SeasonMapFlying Fish Cove (The Settlement) weather in September
Christmas Island
September in Flying Fish Cove: warm, dry, with clean air — one of the best months to visit.
#1 of 12 months in Flying Fish Cove · #217 of 1383 destinations to visit in September · comfort 90/100 (tier S)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Flying Fish Cove in September
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Flying Fish Cove climate normals — September
| Daytime high | 25°C / 77°F | 🌤 warm |
|---|---|---|
| Nighttime low | 24°C / 76°F | |
| Sea temperature | 26°C / 79°F | 😎 warm sea |
| Rainfall | 21 mm / 0.8 in | ☀️ dry |
| Rainy days | 6 days | |
| Humidity | 79% | 💦 very humid |
| Dew point | 21°C / 69°F | |
| Sunshine | 11.1 h/day | |
| Daylight | 12 h | |
| Wind | 33 km/h / 20 mph | |
| Air quality (US AQI) | 46 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Flying Fish Cove in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
Busyschool holidays in 2 of the markets that fill it, one of its best months for weather(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Flying Fish Cove's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Best weatherFlying Fish Cove's weather peaks July–September.
Best weatherFair weatherToughest weather
What's on in Flying Fish Cove in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Dry season
1 May – 31 OctThe middle of the year is the least humid and the calmest, which is when the diving off the drop-off is at its best and the walking tracks are not mud. No crabs on the move, though.
Where is Flying Fish Cove?
Flying Fish Cove in September — FAQ
- Is September a good time to visit Flying Fish Cove?
- September in Flying Fish Cove: warm, dry, with clean air — one of the best months to visit. It ranks #1 of 12 months for Flying Fish Cove on SeasonMap's comfort score (90/100).
- What is the weather like in Flying Fish Cove in September?
- In September, Flying Fish Cove averages a daily high of 25.1°C and a low of 24.3°C, with about 21.3 mm of rain over roughly 5.8 rainy days.
- What is the air quality in Flying Fish Cove in September?
- Flying Fish Cove has a mean US Air Quality Index of about 46 in September.