Quarter of Orleans Weather in September

September in Quarter of Orleans sees daytime temperatures around 30°C (86°F) and lows of 27°C (81°F) at night. With around 134 mm (5.3 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Quarter of Orleans in September

Rain is expected on roughly 19 days, totalling around 134 mm (5.3 in) for the month. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.

Temperature in Quarter of Orleans in September

September in Quarter of Orleans brings high temperatures, with highs of 30°C (86°F) and nights around 27°C (81°F). This kind of day-to-night contrast is typical for this time of year. Nights are warm at 27°C (81°F), which can make sleeping uncomfortable. Keeping windows open or using a fan can help. A cold shower before bed is also a good way to cool down.

Sunshine in Quarter of Orleans in September

The city usually sees around 232 hours of sunlight, indicating many sunny days — a great month for sightseeing.

Wind Speed in Quarter of Orleans in September

Average wind conditions reach 5 m/s (10 knots) in September. This creates lively weather with fresh winds that make small trees sway noticeably. Remember this is an average: some days are less windy while others have particularly active windy conditions.

Average water temperature in September

With water at 29°C (84°F), conditions are warm and calm. Perfect for those who like tropical water temperatures, though it won't cool you down much.

If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Quarter of Orleans. Our weather planner can help you explore destinations with more pleasant weather conditions.

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For a detailed overview over the year and the best time to visit Saint Martin, check out our Quarter of Orleans's climate page.

Quarter of Orleans Temperature in September

Min Temperature 27°C (81°F)  

Max Temperature 30°C (86°F)  

Water Temperature 29°C (84°F) *  

Chance of Rain 62%  

Precipitation 134 mm (5.3 in)  

Rainy days 19 days  

Humidity 78% *  

Windspeed 5 m/s (10 knots) *  

Sunshine 232 hours *  

Percentage Sunshine 61% *  

* Data from: Sint Maarten, Sint Maarten (9 KM, 5 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Quarter of Orleans typically stay consistent throughout September, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 27°C (81°F).

Average temperatures in September

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Historical weather for Quarter of Orleans in September

Browse day-by-day weather records for Quarter of Orleans spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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Quarter of Orleans historical weather extremes in September

According to our 35 years of weather records for Quarter of Orleans, the following extremes were recorded between 1990 and 2025.

• The hottest September day on record in Quarter of Orleans reached 36°C (97°F) (September 3, 1992).
• Quarter of Orleans experienced its chilliest September day on September 4, 2009, reaching only 27°C (81°F).
• The coldest night in September in Quarter of Orleans was on September 30, 2017, with a minimum of 22°C (72°F).

What to Wear in Quarter of Orleans in September

Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Prepare for significant rainfall with proper waterproof clothing and shoes. 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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Quarter of Orleans in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

7/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Saint Martin, check out our Quarter of Orleans's climate page.

More climate data for Quarter of Orleans

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Quarter of Orleans climate overview or explore weather in Saint Martin.