Fontein Weather in September

Fontein in September averages 30°C (86°F) during the day and 27°C (81°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Fontein in September

You can expect rain on roughly 6 days based on historical data, averaging 88 mm (3.5 in) for the month. Although rain is not especially frequent, individual showers can still be quite heavy.

Temperature in Fontein in September

If you're visiting Fontein in September, expect highs of 30°C (86°F) and overnight lows around 27°C (81°F). This kind of day-to-night contrast is typical for this time of year. 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 Fontein in September

The days are predominantly sunny, with an estimated total of around 260 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

Wind Speed in Fontein in September

Average wind conditions reach 7 m/s (14 knots) in September. This indicates a windy month with strong breezes dominating the weather pattern. Remember this is an average: while most days are notably windy, some calmer periods occur alongside more stormy conditions.

Average water temperature in September

At 28°C (82°F), the water is warm and comfortable for swimming. Most people find this temperature ideal for spending longer periods in the water.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, May, June, July, August and December typically offer the best weather for Fontein.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
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• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Curaçao, check out our Fontein's climate page.

Fontein Temperature in September

Min Temperature 27°C (81°F)  

Max Temperature 30°C (86°F)  

Water Temperature 28°C (82°F) *  

Chance of Rain 21%  

Precipitation 88 mm (3.5 in)  

Rainy days 6 days  

Humidity 78% *  

Windspeed 7 m/s (14 knots) *  

Sunshine 260 hours *  

Percentage Sunshine *  

* Data from: Curaçao, Curaçao (10 KM, 6 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Fontein 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 Fontein in September

Browse day-by-day weather records for Fontein 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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‹ January February March April May June July August September October November December ›

Fontein historical weather extremes in September

Based on weather observations in Fontein between 1995 and 2025, these are the recorded extremes during September.

• The hottest September day on record in Fontein reached 38°C (100°F) (September 11, 1996).
• The coldest September day was on September 8, 2004, with a maximum of 27°C (81°F).
• Nighttime temperatures dropped to 20°C (68°F) on September 23, 2025, marking the coldest September night on record.

What to Wear in Fontein 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 28°C (82°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 Fontein 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 Curaçao, check out our Fontein's climate page.

More climate data for Fontein

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Fontein climate overview or explore weather in Curaçao.