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September Weather in French Harbor, Honduras

Last updated: August 23, 2025

In French Harbor, Honduras, the average temperature in September hovers around 28°C (83°F), with a comfortable range between a minimum of 26°C (78°F) and a maximum of 31°C (87°F). Expect about 81 mm (3.2 in) of rainfall spread over 16 days, contributing to an average humidity of 79%. Whether you're soaking in the sun or enjoying the refreshing showers, this month offers a warm and tropical experience!

September Temperature in French Harbor

In September in French Harbor, the average temperature is 28°C (83°F). The maximum can reach 31°C (87°F) and the minimum can be as low as 26°C (78°F). It's an ideal time for travelers seeking warm weather and outdoor activities.

September Weather in French Harbor: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in French Harbor, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In French Harbor, September typically has an average temperature of 28°C (83°F), with highs reaching up to 31°C (87°F) and lows dropping to around 26°C (78°F).
JanFebMarAprMayJunJulAugSepOctNovDec777879818282828283817978
Data source: Temperature data for French Harbor 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 French Harbor

In French Harbor in September, the precipitation amount is 81 mm (3.2 in), falling over the course of 16 days.

September Precipitation Trends in French Harbor

The chart displays monthly precipitation patterns in French Harbor, 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 French Harbor, September typically receives around 81 mm (3.2 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec1446362502642596781308352191
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in French Harbor

In French Harbor in September humidity is 79%. With an average temperature of 28°C (83°F), this humidity feels like a thick blanket wrapping around you, making outdoor activities a challenge but also adding a certain tropical charm to your travel experience.

September Average Humidity in French Harbor

This chart illustrates the average monthly humidity levels in French Harbor, 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 French Harbor is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%82%81%82%82%84%84%82%79%78%80%81%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in French Harbor

In French Harbor 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 French Harbor.

Maximum UV Index Levels in French Harbor for September

The chart shows the monthly maximum UV Index (UVI) for French Harbor 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 French Harbor typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1011131413131313131298
Data source: French Harbor 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 French Harbor Compares to Other Months

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

This table compares monthly weather conditions in French Harbor, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (78°F)144 mm (5.7 inches)81%very high
February Weather26°C (78°F)63 mm (2.5 inches)82%extreme
March Weather26°C (79°F)62 mm (2.4 inches)81%extreme
April Weather27°C (81°F)50 mm (2.0 inches)82%extreme
May Weather28°C (82°F)26 mm (1.0 inches)82%extreme
June Weather28°C (83°F)42 mm (1.6 inches)84%extreme
July Weather28°C (82°F)59 mm (2.3 inches)84%extreme
August Weather28°C (83°F)67 mm (2.6 inches)82%extreme
September Weather28°C (83°F)81 mm (3.2 inches)79%extreme
October Weather27°C (82°F)307 mm (12.1 inches)78%extreme
November Weather26°C (79°F)352 mm (13.8 inches)80%very high
December Weather26°C (78°F)191 mm (7.5 inches)81%very high

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