Grand-Bourg Weather in September
With daytime temperatures of 29°C (84°F) and nighttime lows of 26°C (79°F), September in Grand-Bourg brings high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 155 mm (6.1 in) falls on average.
Rainfall in Grand-Bourg in September
You can typically expect 20 days of rain this month, averaging around 155 mm (6.1 in). Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.
Temperature in Grand-Bourg in September
In September, Grand-Bourg sees high temperatures, with highs of 29°C (84°F). Nights drop to around 26°C (79°F). This kind of day-to-night contrast is typical for this time of year. Nights remain warm at around 26°C (79°F). For a more comfortable sleep, a cold shower before bed and a fan or air conditioning can make a big difference.
Sunshine in Grand-Bourg in September
With approximately 212 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.If you're looking for dry conditions and comfortable temperatures, September may not be the ideal month to visit Grand-Bourg. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Guadeloupe, check out our Grand-Bourg's climate page.
Grand-Bourg Temperature in September
Min Temperature
26°C (79°F)
Max Temperature
29°C (84°F)
Chance of Rain
67%
Precipitation
155 mm (6.1 in)
Rainy days
20 days
Humidity
72% *
Sunshine
212 hours *
Percentage Sunshine
*
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Grand-Bourg typically stay consistent throughout September, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in September
Historical weather for Grand-Bourg in September
Browse day-by-day weather records for Grand-Bourg spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Grand-Bourg historical weather extremes in September
Our historical data for Grand-Bourg spans 1990 to 2025, revealing these weather extremes.
- On September 1, 2005, temperatures climbed to 34°C (93°F), marking the warmest September day on record.
- Grand-Bourg experienced its chilliest September day on September 14, 2004, reaching only 25°C (77°F).
- The lowest overnight temperature recorded in September was 10°C (50°F) (September 8, 2023).
Best Places in Guadeloupe in September
Find out more about the weather in Guadeloupe and which places have the best travel conditions in this month. See all of Guadeloupe in September →
perfect weather
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tolerable
unpleasant
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What to Wear in Grand-Bourg in September
Warm but pleasant conditions in Grand-Bourg in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Grand-Bourg in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Guadeloupe, check out our Grand-Bourg's climate page.
Temperature Rainfall Sunshine Humidity
See the full Grand-Bourg climate overview or explore weather in Guadeloupe.
