Ecuador
Galapagos in September: weather, sea & travel advice
This month's data profile
Strong month under the current formula
Galapagos in September is climatically well suited to city breaks, beach holidays, family holidays and active holidays and hiking. The average daily high is around 24 °C, and the sea is about 22 °C. With about 1 rainy day it is very dry.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
91/100 · #6
Warmth
#12
Dryness
#1
Sun
#7
Sea warmth
#12
Published best categories: City break, Active
Galapagos · SeptemberPhoto: Bex-Lemon · CC BY-SA 4.0Climate facts
- Average high
- 24 °C
- Average low
- 21 °C
- Sea
- 22 °C
- Rainy days (est.)
- 1 rainy day (est.)
- Sun (est.)
- 7 h/day
- Humidity
- 79 %
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| August | 24 | 21 | 1 | 9 | 6.7 | 79 | 4.4 | 22 | 91 |
| September (selected) | 24 | 21 | 1 | 7 | 7.0 | 79 | 4.4 | 22 | 91 |
| October | 24 | 21 | 1 | 9 | 7.3 | 78 | 4.3 | 22 | 92 |
How do the previous and next months compare?
Baseline: September (91/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| August | ±0 | +0.1 °C | +0.2 °C | +0.3 | +2 mm | -0.3 h | ±0 % | ±0 m/s | +0.1 °C |
| October | +1 | +0.4 °C | +0.2 °C | +0.4 | +2 mm | +0.3 h | -1.6 % | -0.1 m/s | +0.2 °C |
All twelve months in context

Find a place to stay
Where to stay in Galapagos
Compare available stays, prices and cancellation terms for Galapagos on Booking.com.
Booking.comFind places to stayAffiliate link: there is no extra cost to you.
Useful next decisions
Frequently asked questions
How warm is Galapagos in September?
The average daily high is around 24 °C, with an average daily low of about 21 °C.
Can you swim in Galapagos in September?
The sea is about 22 °C (swimmable).
Does it rain a lot in Galapagos in September?
The curated estimate is about 1 rainy day per month, not a directly measured long-term average. Total precipitation averages around 7 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Galapagos?
By the climate score, June, July, October and November are the strongest months for Galapagos. For a beach trip: January, May, June and December. September is not among them.