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September Weather in San Cristobal, Dominican Republic

Last updated: August 23, 2025

In September, the average temperature in San Cristobal, Dominican Republic is a warm 27°C (81°F), with lows dipping to 22°C (72°F) and highs reaching up to 35°C (95°F). This month brings a total precipitation of 107 mm (4.2 in) spread over 21 days, contributing to an average humidity of 73%. Whether you're exploring or relaxing, be prepared for a mix of warmth and occasional showers!

September Temperature in San Cristobal

In September in San Cristobal, the average temperature is 27°C (81°F). Maximums can reach 35°C (95°F) and minimums can drop to 22°C (72°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy outdoor activities in San Cristobal.

September Weather in San Cristobal: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Cristobal, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Cristobal, September typically has an average temperature of 27°C (81°F), with highs reaching up to 35°C (95°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec757576777980818180797876
Data source: Temperature data for San Cristobal generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in San Cristobal

In San Cristobal in September, the precipitation amount is 107 mm (4.2 in) spread over 21 days.

September Precipitation Trends in San Cristobal

The chart displays monthly precipitation patterns in San Cristobal, 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 San Cristobal, September typically receives around 107 mm (4.2 inches) of precipitation spread over approximately 21 days.
JanFebMarAprMayJunJulAugSepOctNovDec374952761088810715010712311345
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Cristobal

In San Cristobal in September, humidity is 73%. With an average temperature of 27°C (81°F), this humidity feels like a warm blanket enveloping you, making outdoor activities feel sticky and heavy, while also requiring frequent hydration breaks to stay comfortable during your travels.

September Average Humidity in San Cristobal

This chart illustrates the average monthly humidity levels in San Cristobal, 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 San Cristobal is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%63%59%58%57%57%63%71%73%72%72%69%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Cristobal

In San Cristobal 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 San Cristobal.

Maximum UV Index Levels in San Cristobal for September

The chart shows the monthly maximum UV Index (UVI) for San Cristobal 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 San Cristobal typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131313121313131198
Data source: San Cristobal 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 San Cristobal Compares to Other Months

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

This table compares monthly weather conditions in San Cristobal, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (75°F)36 mm (1.4 inches)65%very high
February Weather24°C (76°F)49 mm (1.9 inches)63%extreme
March Weather24°C (76°F)52 mm (2.1 inches)59%extreme
April Weather25°C (78°F)76 mm (3.0 inches)58%extreme
May Weather26°C (79°F)108 mm (4.3 inches)57%extreme
June Weather27°C (80°F)87 mm (3.4 inches)57%extreme
July Weather27°C (81°F)107 mm (4.2 inches)63%extreme
August Weather27°C (81°F)150 mm (5.9 inches)71%extreme
September Weather27°C (81°F)107 mm (4.2 inches)73%extreme
October Weather26°C (79°F)123 mm (4.9 inches)72%extreme
November Weather25°C (78°F)113 mm (4.4 inches)72%very high
December Weather25°C (77°F)45 mm (1.8 inches)69%very high

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