Constanza Weather in September
Constanza in September sees high temperatures, with highs around 26°C (79°F) and overnight lows of 17°C (63°F). Rainfall is fairly high at around 200 mm (7.9 in) on average, so pack waterproofs just in case.
Rainfall in Constanza in September
Typically around 17 days of rainfall are expected, averaging 200 mm (7.9 in) for the month. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.
Temperature in Constanza in September
September in Constanza sees highs of 26°C (79°F) and lows of 17°C (63°F) overnight. This kind of day-to-night contrast is typical for this time of year. With overnight lows of 17°C (63°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Constanza in September
With approximately 211 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Constanza. 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 Constanza's climate page.
Constanza Temperature in September
Min Temperature
17°C (63°F)
Max Temperature
26°C (79°F)
Chance of Rain
57%
Precipitation
200 mm (7.9 in)
Rainy days
17 days
Humidity
70% *
Sunshine
211 hours *
Percentage Sunshine
*
Daily Historical Temperatures
45-year average (1976-2025)
Based on our historical records, temperatures in Constanza typically stay consistent throughout September, with daily highs averaging around 26°C (79°F). Nights are warm, with lows around 23°C (73°F).
Average temperatures in September
Daily Historical Precipitation
45-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 Constanza in September
Browse day-by-day weather records for Constanza spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Constanza historical weather extremes in September
Our historical data for Constanza spans 2014 to 2025, revealing these weather extremes.
- The warmest day in September was on September 2, 2025, with a maximum of 37°C (99°F).
- Constanza experienced its chilliest September day on September 19, 2022, reaching only 24°C (75°F).
- The lowest overnight temperature recorded in September was 16°C (61°F) (September 25, 2025).
- The wettest September day on record brought 95 mm (3.7 in) of precipitation to Constanza (September 21, 2017).
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 Constanza in September
Warm but pleasant conditions in Constanza 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 Constanza 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 Constanza's climate page.
Temperature Rainfall Sunshine Humidity
See the full Constanza climate overview or explore weather in the Dominican Republic.
