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September Weather in Gressier, Haiti

Last updated: August 23, 2025

In Gressier, Haiti, the average temperature in September is a warm 26°C (79°F). You'll experience a minimum temperature of 23°C (73°F) and can expect highs reaching up to 31°C (88°F). With an average humidity of 76%, this month brings about 172 mm (6.8 in) of precipitation over 24 days.

September Temperature in Gressier

In September in Gressier, the average temperature is 26°C (79°F). Maximums can reach 31°C (88°F), while minimums can be as low as 23°C (73°F). This pleasant weather makes Gressier an ideal destination for travelers seeking warmth and comfort during their visit.

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

The chart illustrates September temperature patterns in Gressier, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gressier, September typically has an average temperature of 26°C (79°F), with highs reaching up to 31°C (88°F) and lows dropping to around 23°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec747575767879798079787675
Data source: Temperature data for Gressier 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 Gressier

In Gressier in September, the precipitation amount is 172 mm (6.8 in) over the course of 24 days.

September Precipitation Trends in Gressier

The chart displays monthly precipitation patterns in Gressier, 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 Gressier, September typically receives around 172 mm (6.8 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec25248914312711611816017216013232
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Gressier

In Gressier in September humidity is 76%. With an average temperature of 26°C (79°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities challenging and requiring frequent breaks to hydrate and cool down during your travels.

September Average Humidity in Gressier

This chart illustrates the average monthly humidity levels in Gressier, 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 Gressier is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%63%62%62%60%62%70%76%76%76%76%71%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Gressier

In Gressier in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Gressier.

Maximum UV Index Levels in Gressier for September

The chart shows the monthly maximum UV Index (UVI) for Gressier 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 Gressier typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec810121313131213121198
Data source: Gressier 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 Gressier Compares to Other Months

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

This table compares monthly weather conditions in Gressier, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (74°F)25 mm (1.0 inches)65%very high
February Weather24°C (75°F)24 mm (0.9 inches)63%very high
March Weather24°C (75°F)89 mm (3.5 inches)62%extreme
April Weather24°C (76°F)143 mm (5.6 inches)62%extreme
May Weather25°C (78°F)127 mm (5.0 inches)60%extreme
June Weather26°C (79°F)116 mm (4.5 inches)61%extreme
July Weather26°C (80°F)117 mm (4.6 inches)70%extreme
August Weather26°C (80°F)160 mm (6.3 inches)76%extreme
September Weather26°C (79°F)172 mm (6.8 inches)76%extreme
October Weather25°C (78°F)160 mm (6.3 inches)76%extreme
November Weather25°C (77°F)132 mm (5.2 inches)76%very high
December Weather24°C (75°F)32 mm (1.3 inches)71%very high

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