Morne-à-lʼEau Weather in September
During September, Morne-à-lʼEau experiences high daytime temperatures of 29°C (84°F) and cooler nights around 26°C (79°F). Expect quite a bit of rainfall. Around 152 mm (6 in) is typical.
Rainfall in Morne-à-lʼEau in September
Rain is expected on roughly 18 days, totalling around 152 mm (6 in) for the month. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.
Temperature in Morne-à-lʼEau in September
In September, expect high temperatures in Morne-à-lʼEau, with highs of 29°C (84°F) and lows of 26°C (79°F) at night. Overall, the month follows a fairly predictable daily temperature pattern. With overnight lows of 26°C (79°F), nights stay very warm. Air conditioning makes a real difference if you're sensitive to heat. A cold shower before bed can also help you get to sleep more comfortably.
Sunshine in Morne-à-lʼEau in September
Expect a lot of sunshine this month, with about 218 hours of sun. These sunny conditions add to the overall experience.
Wind Speed in Morne-à-lʼEau in September
Average wind speeds reach 3 m/s (6 knots) in September, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.
Average water temperature in September
The water reaches 29°C (84°F) this month. It's on the warm side, which suits people who prefer that, but don't expect a cooling dip if the air temperature is also high.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, May, June and December typically offer the best weather for Morne-à-lʼEau.
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 Morne-à-lʼEau's climate page.
Morne-à-lʼEau Temperature in September
Min Temperature
26°C (79°F)
Max Temperature
29°C (84°F)
Water Temperature
29°C (84°F) *
Chance of Rain
59%
Precipitation
152 mm (6 in)
Rainy days
18 days
Humidity
82% *
Windspeed
3 m/s (6 knots) *
Sunshine
218 hours *
Percentage Sunshine
*
Daily Historical Temperatures
47-year average (1976-2025)
Based on our historical records, temperatures in Morne-à-lʼEau 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 Morne-à-lʼEau in September
Browse day-by-day weather records for Morne-à-lʼEau spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Morne-à-lʼEau historical weather extremes in September
Based on 24 years of weather observations in Morne-à-lʼEau between 2001 and 2025, these are the recorded extremes.
- The hottest September day on record in Morne-à-lʼEau reached 34°C (93°F) (September 8, 2001).
- The coldest September day was on September 26, 2024, with a maximum of 26°C (79°F).
- Morne-à-lʼEau registered its coldest September night on September 6, 2013, with temperatures dropping to 20°C (68°F).
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 →
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What to Wear in Morne-à-lʼEau in September
Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Also bring a poncho, it will rain a lot! Waterproof everything you can. Expect water temperatures of around 29°C (84°F), which is ideal for taking a refreshing dip. Bring swimwear and consider packing a towel for drying off. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Morne-à-lʼEau 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 Morne-à-lʼEau's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Morne-à-lʼEau climate overview or explore weather in Guadeloupe.
