Baní Weather in September
September in Baní brings very high temperatures around 30°C (86°F) during the day, dropping to 25°C (77°F) at night, with the most rainfall of the year.
Rainfall in Baní in September
Since this month has the highest rainfall, keep an umbrella with you to handle sudden showers. Rain is expected on roughly 14 days, totalling around 114 mm (4.5 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Baní in September
In September, expect very high temperatures in Baní, with highs of 30°C (86°F) and lows of 25°C (77°F) at night. For most visitors, the main thing to prepare for is the heat during the day. Nights are warm at 25°C (77°F). It's worth making sure your accommodation has decent ventilation or air conditioning.
Sunshine in Baní in September
Expect sunny days throughout the month, with an estimated 218 hours of sunshine. This makes it a pleasant time to visit Baní.September in Baní can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.
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 Baní's climate page.
Baní Temperature in September
Min Temperature
25°C (77°F)
Max Temperature
30°C (86°F)
Chance of Rain
47%
Precipitation
114 mm (4.5 in)
Rainy days
14 days
Humidity
85% *
Sunshine
218 hours *
Percentage Sunshine
*
Daily Historical Temperatures
47-year average (1976-2025)
Based on our historical records, temperatures in Baní 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 Baní in September
Browse day-by-day weather records for Baní spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Baní historical weather extremes in September
Based on 26 years of weather observations (1999-2025), these are the most extreme conditions recorded in Baní.
- The hottest September day on record in Baní reached 36°C (97°F) (September 3, 2012).
- The lowest daytime temperature in September was 25°C (77°F), recorded on September 16, 2004.
- The lowest overnight temperature recorded in September was 21°C (70°F) (September 28, 2024).
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 →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Baní in September
Warm but pleasant conditions in Baní 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. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Baní 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 Baní's climate page.
Temperature Rainfall Sunshine Humidity
See the full Baní climate overview or explore weather in the Dominican Republic.
