Boca Chica Weather in September
In Boca Chica, September brings very high daytime temperatures around 30°C (86°F), with nights cooling to 26°C (79°F). It is the wettest month of the year, so expect more rainfall than usual.
Rainfall in Boca Chica in September
This month marks the year's heaviest rainfall, with frequent intense showers. It's advisable to be prepared with appropriate rain gear to stay dry. Based on our climate data of the past 30 years, about 15 days of rain are anticipated, with 164 mm (6.5 in) on average. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Boca Chica in September
Daytime highs in Boca Chica in September reach 30°C (86°F), with nights around 26°C (79°F). If you're spending a lot of time outdoors, it helps to plan around the warmer part of the day. Nights stay warm at around 26°C (79°F), so light bedding and good ventilation are worth thinking about.
Sunshine in Boca Chica in September
There are approximately 218 hours of sunshine this month, resulting in mostly clear days.If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Boca Chica. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the Dominican Republic, check out our Boca Chica's climate page.
Boca Chica Temperature in September
Min Temperature
26°C (79°F)
Max Temperature
30°C (86°F)
Chance of Rain
48%
Precipitation
164 mm (6.5 in)
Rainy days
15 days
Humidity
85% *
Sunshine
218 hours *
Percentage Sunshine
*
Daily Historical Temperatures
47-year average (1976-2025)
Based on our historical records, temperatures in Boca Chica typically stay consistent throughout September, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in September
Daily Historical Precipitation
47-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Boca Chica in September
Browse day-by-day weather records for Boca Chica spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Boca Chica historical weather extremes in September
Our historical data for Boca Chica spans 1999 to 2025, revealing these weather extremes.
- The hottest September day on record in Boca Chica reached 36°C (97°F) (September 27, 2008).
- Boca Chica experienced its chilliest September day on September 26, 2025, reaching only 25°C (77°F).
- The coldest night in September in Boca Chica was on September 28, 2024, with a minimum of 21°C (70°F).
Best Places in the Dominican Republic in September
Find out more about the weather in the Dominican Republic and which places have the best travel conditions in this month. See all of the Dominican Republic in September →
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What to Wear in Boca Chica in September
Warm but pleasant conditions in Boca Chica 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. It's going to pour! Pack a good poncho and prepare for very wet conditions. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Boca Chica in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the Dominican Republic, check out our Boca Chica's climate page.
Temperature Rainfall Sunshine Humidity
See the full Boca Chica climate overview or explore weather in the Dominican Republic.
