Fort-de-France Weather in September

Martinique · September climate averages and travel tips

Avg high29°C (85°F)
Avg low28°C (83°F)
Rainfall134 mm (5.3 in)
RatingPoor 4.2/10

In September, Fort-de-France has average highs of 29°C (85°F) and lows of 28°C (83°F). The month is wet, with about 134 mm (5.3 in) of rain spread over 20 days. Humidity averages 78%, so it feels sticky and hotter than the thermometer suggests. You get roughly 12.1 hours of daylight and a mix of sun and cloud.

Is September a good time to visit Fort-de-France?

September is not the best time to visit Fort-de-France (4.2/10) mainly because of the rain. The weather is much better in February to April.

Visiting Fort-de-France in September

September: warm and wet

September feels hot and sticky, with little relief after sunset. The high is 29°C and the low is 28°C. Rain falls on 20 days, but you'll still get around six hours of sun a day.

Plan for showers to interrupt outdoor plans. Visit Fort Saint-Louis or browse the covered Grand Marché between downpours. For a longer outing, the ferry to Les Trois-Îlets gives you a change of scene, but rough weather can disrupt boat trips. Save a flexible indoor option, such as the Schoelcher Library, for a rainy spell.

Events and quiet streets

The European Heritage Days fall in September. When local sites take part, you may find historic buildings open for visits. Fort-de-France's heritage sights are a good fit for a cloudy day.

If you hate crowds, September is a quieter time to explore the waterfront and downtown shops. It's low season, so hotels and flights are often cheaper than in the busy winter months. Some businesses may have reduced hours, and the weather can make travel less predictable. September sits within the Atlantic hurricane season, so keep an eye on official alerts.

Local tips for Fort-de-France

This isn't the month for a packed schedule of beach days or long hikes. Choose short city outings, then take a break when the heat and rain build. The Jardin de Balata, outside the centre, can still be lovely in wet weather, but paths may be slippery.

Travelling with kids? Keep the Schoelcher Library in mind for a calm indoor stop near the waterfront.

For a local pause, head to the Grand Marché and try accras, crisp salt-cod fritters. Its covered stalls make it useful when a shower rolls through, and you can sample Martinican food without committing to a long outdoor meal.

September weather at a glance

Average high29°C (85°F)
Average low28°C (83°F)
Daily mean29°C (84°F)
Rainfall134 mm (5.3 in)
Rainy days (1 mm+)20
Humidity78%
Cloud cover53%
Daylight12.1 hours
Est. sunshine6.3 hours/day
Wind16.8 km/h
vs AugustAbout as warm as August, with 20 mm less rain.

What to pack for Fort-de-France in September

Fort-de-France weather in other months

Jan27°C / 26°C65 mmGoodFeb27°C / 26°C47 mmExcellentMar27°C / 26°C44 mmExcellentApr28°C / 26°C75 mmGoodMay28°C / 27°C88 mmGoodJun29°C / 28°C121 mmFairJul29°C / 28°C127 mmPoorAug29°C / 28°C154 mmPoorSep29°C / 28°C134 mmPoorOct29°C / 28°C170 mmPoorNov28°C / 27°C145 mmFairDec28°C / 27°C85 mmGood

← AugustBest time to visit Fort-de-FranceOctober →

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