September · Seychelles
Best time to visit Mahé in September Weather, crowds & prices
Weather in Mahé in September
Average temperature 27°C, 185 mm of rain, about 23 days with 6+ hours of sunshine and 83% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
September score
7.2/10
Ranked #10 of 12 months
- Avg temp
- 27°C
- Rainfall
- 185 mm
- Humidity
- 83%
- Days with 6h+ sun
- 23
- Crowd Density
- Quiet / Uncrowded
- Average Expenses
- $ · Budget Friendly ($)
September in Mahé scores 7.2/10 for beach and coastal travel - ranked #10 of 12. Expect around 27°C, 185 mm of rain, and roughly 23 days with 6+ hours of sunshine this month.
Mahé packs granite peaks, beaches and the capital Victoria into the Seychelles' main island.
September in Mahé: strong conditions, 10th of 12
Days in September average 27°C (81°F) and humidity near 83% — front-load outdoor plans before the heat builds and treat the middle of the day as indoor time.
185 mm of rain makes this a wet month here, though with about 23 days with 6+ hours of sunshine there is still bright weather between the fronts.
That is 7.2/10 on the same scale — 10th of 12 months, versus 9.5/10 for the best month here.
Pack the lightest breathable clothing you own, a hat, and more water than feels necessary, a proper rain shell rather than an umbrella.
Budget for low-season pricing, and crowds are light for this destination.
If your dates are flexible, July is materially better in Mahé — 2.3 points higher on the same scale.
Frequently asked
- What is the weather like in Mahé in September?
- In September, Mahé averages 27°C, 185 mm of rain, and about 23 days with 6+ hours of sunshine. Its climate-comfort score is 7.2/10.
- Is September a good time to visit Mahé?
- September earns a 7.2/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Mahé in September?
- Expect about 185 mm of rain in September. Average humidity is 83% and there are about 23 days with 6+ hours of sunshine.
Curated in Mahé
Tickets & experiences
Things to do in Mahé
Mahé, Seychelles. Live activities and tours from GetYourGuide, matched to this destination.