Maho Reef
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Maho Reef Weather in September

Maho Reef in September sees high temperatures, with highs around 30°C (86°F) and overnight lows of 27°C (81°F). Rainfall is fairly high at around 134 mm (5.3 in) on average, so pack waterproofs just in case.

Rainfall in Maho Reef in September

Typically, about 19 days will experience rainfall, with an average of 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 Maho Reef in September

Maho Reef in September gets highs of 30°C (86°F) during the day and drops to 27°C (81°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights remain warm at around 27°C (81°F). For a more comfortable sleep, a cold shower before bed and a fan or air conditioning can make a big difference.

Sunshine in Maho Reef in September

Expect a lot of sunshine this month, with about 232 hours of sun. These sunny conditions add to the overall experience.

Wind Speed in Maho Reef 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.

September in Maho Reef has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.

Maho Reef 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% *

Maho Reef Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Maho Reef - and find the best time to visit.

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Maho Reef 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

Historical weather records for Maho Reef in September

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

Maho Reef historical weather extremes in September

Based on 36 years of weather observations in Maho Reef between 1990 and 2026, these are the recorded extremes.

  • Maho Reef recorded its highest September temperature of 37°C (99°F) on September 3, 1992.
  • The lowest daytime temperature in September was 27°C (81°F), recorded on September 4, 2009.
  • The coldest night in September in Maho Reef was on September 29, 2017, with a minimum of 21°C (70°F).

Best Places in Sint Maarten in September

Find out more about the weather in Sint Maarten and which places have the best travel conditions in this month. See all of Sint Maarten in September →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Maho Reef 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). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. 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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Maho Reef 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

Maho Reef 3-Day Forecast

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Where to go in September - average daytime high across popular destinations.

Bucket list

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