Saint Barthelemy > Saint Barthelemy, weather in September: Climate and travel budget

Saint Barthelemy in September : Travel budget & tourist seasons.
Budget your trip depending on your departure time.
Beyond the tourist season (low, medium or high season) of the destination country, prices of your flight, hotel or all-inclusive stays may also vary depending on the demand in your country (our rates are evaluated from western Europe).
Thus, from western Europe, a stay will often be more expensive for a start during the school holidays.
In September, here's what you can expect on average:
• All-inclusive stays: 3601 € / week
• Round-trip flight: 1238 €
• Tourist season: medium
Climate in September, picked destinations
In September, weather conditions in Saint Barthelemy make it a relatively bad trip destination. Among our chosen destinations (see below), the average temperatures you'll face in September would be between 28.0°C and 31.0°C, with exceptional possible peaks as low as 23°C and high as 33°C as observed in previous years.The average amount of rain observed during September in Saint Barthelemy is 124 mm and you would typically have 14 rainy days.
Click on the name of a city to read more details about it, have more climate data history and see weather forecasts.
| City | Sunlight (h/d) | Average T min (°C) | Average T max (°C) | Record T min (°C) | Record T max (°C) | Precipitations (mm) | Wet days | Rating |
| Gustavia | 8 | 28 | 31 | 23 | 33 | 124 | 14 | ![]() |
Saint Barthelemy: Climate & Weather
In addition, the water shows a temperature never falling below 26 ° C: ideal conditions for a paradisiacal stay!
Saint Barthelemy: Map

Not the best weather? Look for other destinations: Where to go in September




