What to expect in Galápagos Islands in September
September is a strong choice for Galápagos Islands: 24° / 18°, with manageable crowds at the big attractions and prices close to the yearly average.
Galápagos Islands weather in September
Typical conditions in Galápagos Islands during September, based on long-run climate normals rather than any single year. Treat it as a planning guide, not a forecast.
| Average high | 24°C 75°F |
|---|---|
| Average low | 18°C 64°F |
| Rainfall | Dry 15/100 |
| Total rainfall | 8 mm0.3 in |
| Rainy days | 12 |
| Sea temperature | 22°C 72°F |
| Daylight | 12 h 7 min |
| How it feels | Warm and comfortable |
Rainfall figures are for San Cristóbal.
Average highs sit around 24°C with lows near 18°C. It is one of the drier months — pack light.
Crowds & demand
Crowd levels are Moderate for Galápagos Islands — manageable crowds at the big attractions.
Prices & value
This month counts as shoulder season: prices close to the yearly average.
What to pack
Light layers for 24°C days and something with sleeves for evenings, which cool to around 18°C. Rain gear is largely optional this month, which keeps your bag light.
What it costs
Costs in September sit around the yearly average for Galápagos Islands — neither a bargain nor a squeeze. Booking a few weeks out is usually enough. Compared with the most expensive month of the year, you are looking at roughly 8% less.
Who this month suits
- Travellers who want the most reliable weather
- Anyone travelling on a budget
- Visitors who want to catch a festival
Events & what’s on
Look out for Whale Shark Season while you’re there.
- Whale Shark Season — Divers at Darwin and Wolf islands encounter the ocean’s largest fish.
Galápagos Islands in September compared with nearby months
If your dates are flexible by a few weeks, this is what shifting them actually buys you.
| Month | Temp | Crowds | Price | Score |
|---|---|---|---|---|
| July | 25° / 19° | Moderate | $$ | 62 |
| August | 24° / 18° | High | $$ | 62 |
| September · This month | 24° / 18° | Moderate | $$ | 65 |
| October | 25° / 18° | Moderate | $$ | 69 |
| November | 25° / 19° | Moderate | $$ | 70 |
These months score higher for Galápagos Islands on the same blend of weather, crowds and price. Same destination, better odds.
Or go somewhere else in September
If the destination is negotiable but the month is not, these places are at their best in September.
Figures are climate normals and modelled estimates — a planning guide, not a forecast. We separate fact, estimate and recommendation. Updated October 2026
