Seychelles
Seychelles in September: weather, sea & travel advice
This month's data profile
Rain shapes the decision
Seychelles in September is climatically well suited to beach holidays and family holidays. The average daily high is around 27 °C, and the sea is about 27 °C. With about 17 rainy days it is very wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
69/100 · #4
Warmth
#10
Dryness
#5
Sun
#7
Sea warmth
#10
Published best categories: Overall, Beach, City break, Family
Seychelles · SeptemberPhoto: Giles Laurent · CC BY-SA 4.0Climate facts
- Average high
- 27 °C
- Average low
- 26 °C
- Sea
- 27 °C
- Rainy days (est.)
- 17 rainy days (est.)
- Sun (est.)
- 7 h/day
- Humidity
- 81 %
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 | 26 | 26 | 14 | 70 | 6.8 | 82 | 6.4 | 26 | 75 |
| September (selected) | 27 | 26 | 17 | 105 | 7.2 | 81 | 6.0 | 27 | 69 |
| October | 27 | 27 | 16 | 104 | 7.9 | 80 | 4.4 | 28 | 69 |
How do the previous and next months compare?
Baseline: September (69/100)
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 | +6 | -0.7 °C | -0.7 °C | -2.5 | -35.1 mm | -0.4 h | +0.7 % | +0.3 m/s | -0.9 °C |
| October | ±0 | +0.4 °C | +0.3 °C | -0.9 | -1.2 mm | +0.7 h | -1.4 % | -1.6 m/s | +0.8 °C |
All twelve months in context
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Where to stay in Seychelles
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Useful next decisions
Frequently asked questions
How warm is Seychelles in September?
The average daily high is around 27 °C, with an average daily low of about 26 °C.
Can you swim in Seychelles in September?
The sea is about 27 °C (very warm).
Does it rain a lot in Seychelles in September?
The curated estimate is about 17 rainy days per month, not a directly measured long-term average. Total precipitation averages around 105 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Seychelles?
By the climate score, June, July, August and September are the strongest months for Seychelles. For a beach trip: June, July, August and September. September is one of them.