September Weather in Constanza, Dominican Republic

Last updated: August 23, 2025

In September, the average temperature in Constanza, Dominican Republic is a pleasant 20°C (69°F). Expect a minimum of around 15°C (59°F) and a maximum of 27°C (80°F), making it an ideal time for outdoor activities. However, with an average precipitation of 224 mm (8.8 in) over 24 days, it's wise to pack an umbrella! Additionally, the air carries a notable 73% humidity, providing a subtropical feel.

September Temperature in Constanza

In September in Constanza, the average temperature is 20°C (69°F). Maximum temperatures can reach 27°C (80°F), while minimums can dip as low as 15°C (59°F). This makes it an ideal time for travelers to explore the outdoors while enjoying pleasant weather.

September Weather in Constanza: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Constanza, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Constanza, September typically has an average temperature of 20°C (69°F), with highs reaching up to 27°C (80°F) and lows dropping to around 15°C (59°F).

Data source: Temperature data for Constanza generated using information from the Copernicus Climate Change Service.

September Precipitation in Constanza

In Constanza in September, the total precipitation amount is 224 mm (8.8 in) distributed over 24 days.

September Precipitation Trends in Constanza

The chart displays monthly precipitation patterns in Constanza, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Constanza, September typically receives around 224 mm (8.8 inches) of precipitation spread over approximately 24 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Constanza

In Constanza in September humidity is 73%. With an average temperature of 20°C (69°F), this humidity feels like a warm embrace, making travel slightly sticky but ultimately comfortable as long as you stay hydrated and take breaks in the shade.

September Average Humidity in Constanza

This chart illustrates the average monthly humidity levels in Constanza, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Constanza is approximately 73%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Constanza

In Constanza in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Constanza.

Maximum UV Index Levels in Constanza for September

The chart shows the monthly maximum UV Index (UVI) for Constanza in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Constanza typically reaches 13, which falls under the extreme exposure category.

Data source: Constanza September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How September Weather in Constanza Compares to Other Months

Weather in Constanza varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Constanza, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Constanza, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	17°C (63°F)	61 mm (2.4 inches)	65%	very high
February Weather	17°C (63°F)	46 mm (1.8 inches)	63%	extreme
March Weather	18°C (64°F)	161 mm (6.3 inches)	59%	extreme
April Weather	19°C (66°F)	159 mm (6.3 inches)	58%	extreme
May Weather	20°C (68°F)	196 mm (7.7 inches)	57%	extreme
June Weather	20°C (69°F)	145 mm (5.7 inches)	57%	extreme
July Weather	20°C (69°F)	126 mm (5.0 inches)	63%	extreme
August Weather	21°C (69°F)	148 mm (5.8 inches)	71%	extreme
September Weather	20°C (69°F)	224 mm (8.8 inches)	73%	extreme
October Weather	20°C (68°F)	179 mm (7.1 inches)	72%	extreme
November Weather	19°C (66°F)	109 mm (4.3 inches)	72%	very high
December Weather	18°C (64°F)	37 mm (1.5 inches)	69%	very high