Santa Cruz de Barahona Weather in September

In Santa Cruz de Barahona, September brings very high daytime temperatures around 31°C (88°F), with nights cooling to 24°C (75°F). Expect quite a bit of rainfall this month.

Rainfall in Santa Cruz de Barahona in September

This month experiences about 14 days of rain according to historical data, averaging 115 mm (4.5 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Santa Cruz de Barahona in September

Santa Cruz de Barahona in September gets highs of 31°C (88°F) during the day and drops to 24°C (75°F) at night. The hottest part of the day is usually in the afternoon, so lighter clothing can help you stay comfortable. With overnight lows of 24°C (75°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably.

Sunshine in Santa Cruz de Barahona in September

Expect a lot of sunshine this month, with about 245 hours of sun. These sunny conditions add to the overall experience.

Wind Speed in Santa Cruz de Barahona in September

September has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.

September in Santa Cruz de Barahona has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.

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 the Dominican Republic, check out our Santa Cruz de Barahona's climate page.

Santa Cruz de Barahona Temperature in September

Min Temperature 24°C (75°F)  

Max Temperature 31°C (88°F)  

Chance of Rain 46%  

Precipitation 115 mm (4.5 in)  

Rainy days 14 days  

Humidity 76% *  

Windspeed 3 m/s (6 knots) *  

Sunshine 245 hours *  

Percentage Sunshine *  

* Data from: Barahona, the Dominican Republic (3 KM, 2 Miles).

Daily Historical Temperatures

41-year average (1976-2025)

Based on our historical records, temperatures in Santa Cruz de Barahona typically stay consistent throughout September, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 25°C (77°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 ›

Daily Historical Precipitation

41-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation 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 Santa Cruz de Barahona in September

Browse day-by-day weather records for Santa Cruz de Barahona 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 ›

Santa Cruz de Barahona historical weather extremes in September

Based on 26 years of weather observations in Santa Cruz de Barahona between 1999 and 2025, these are the recorded extremes.

• The hottest September day on record in Santa Cruz de Barahona reached 37°C (99°F) (September 6, 2017).
• On September 18, 2000, Santa Cruz de Barahona saw its coldest September day with temperatures maxing out at 26°C (79°F).
• The coldest night in September in Santa Cruz de Barahona was on September 30, 2022, with a minimum of 21°C (70°F).

What to Wear in Santa Cruz de Barahona 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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Santa Cruz de Barahona 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

6/10

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 the Dominican Republic, check out our Santa Cruz de Barahona's climate page.

More climate data for Santa Cruz de Barahona

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Santa Cruz de Barahona climate overview or explore weather in the Dominican Republic.