Curaçao Weather in September

September in Curaçao brings high temperatures, with highs of 30°C (86°F) and nights dropping to 27°C (81°F). Rainfall is on the higher side this month, averaging around 88 mm (3.5 in), so keep a rain jacket handy.

Rainfall in Curaçao in September

Typically around 6 days of rainfall are expected, averaging 88 mm (3.5 in) for the month. The rain this month typically falls in concentrated bursts rather than all-day showers. Expect a few heavier spells rather than constant grey skies.

Temperature in Curaçao in September

Daytime temperatures in Curaçao reach 30°C (86°F) in September, dropping to 27°C (81°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. With lows of 27°C (81°F), it stays warm throughout the night. A cold shower before going to sleep is one of the easiest ways to cool down before bed.

Sunshine in Curaçao in September

Enjoy a sunny month with about 260 hours of sunshine, the clear skies make Curaçao even more beautiful.

Wind Speed in Curaçao 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

The water temperature is 28°C (82°F), which most people find very comfortable. A good month for swimming and water sports.

If your ideal day consists of dry skies and pleasant temperatures, January, February, March, April, May, June, July, August and December typically offer the best circumstances for Curaçao.

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 Curaçao's climate page.

Curaçao 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  

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Curaçao 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

‹ Select year to compare to 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 1976 ›

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

‹ January February March April May June July August September October November December ›

Historical weather for Curaçao in September

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

Historical weather Temperatures Precipitation

‹ 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2003 2002 2001 2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977 ›

‹ January February March April May June July August September October November December ›

Curaçao historical weather extremes in September

Based on 30 years of weather observations (1995-2025), these are the most extreme conditions recorded in Curaçao.

• The warmest day in September was on September 11, 1996, with a maximum of 38°C (100°F).
• On September 8, 2004, Curaçao saw its coldest September day with temperatures maxing out at 27°C (81°F).
• The lowest overnight temperature recorded in September was 20°C (68°F) (September 11, 2011).

What to Wear in Curaçao in September

Warm but pleasant conditions in Curaçao in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. 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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Curaçao 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 Curaçao's climate page.

More climate data for Curaçao

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

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