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September Weather in Franceville, Gabon

Last updated: August 23, 2025

In September, the average temperature in Franceville, Gabon is a pleasant 25°C (77°F). Expect temperatures to range from a minimum of 20°C (68°F) to a maximum of 33°C (91°F). During this month, you'll encounter approximately 126 mm (5.0 in) of precipitation spread over 24 days, contributing to an average humidity of around 89%. Stay prepared for a warm and humid climate!

September Temperature in Franceville

In September in Franceville, the average temperature is 25°C (77°F). Maximums can reach 33°C (91°F) while minimums can be as low as 20°C (68°F). This comfortable climate makes Franceville a delightful destination for travelers seeking warm weather during this time of year.

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

The chart illustrates September temperature patterns in Franceville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Franceville, September typically has an average temperature of 25°C (77°F), with highs reaching up to 33°C (91°F) and lows dropping to around 20°C (68°F).
JanFebMarAprMayJunJulAugSepOctNovDec787979797877757677777777
Data source: Temperature data for Franceville 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 Franceville

In Franceville in September, the precipitation amount is 126 mm (5.0 in) over the course of 24 days.

September Precipitation Trends in Franceville

The chart displays monthly precipitation patterns in Franceville, 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 Franceville, September typically receives around 126 mm (5.0 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec112132167175172373159126219201181
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Franceville

In Franceville in September humidity is 89%. With an average temperature of 25°C (77°F), this humidity feels like a heavy blanket that clings to your skin, making even short walks feel like a test of endurance for travelers.

September Average Humidity in Franceville

This chart illustrates the average monthly humidity levels in Franceville, 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 Franceville is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%85%87%90%88%87%88%89%91%92%88%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Franceville

In Franceville 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 Franceville.

Maximum UV Index Levels in Franceville for September

The chart shows the monthly maximum UV Index (UVI) for Franceville 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 Franceville typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec13131414139101112131312
Data source: Franceville 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 Franceville Compares to Other Months

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

This table compares monthly weather conditions in Franceville, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (78°F)112 mm (4.4 inches)88%extreme
February Weather26°C (79°F)132 mm (5.2 inches)87%extreme
March Weather26°C (79°F)167 mm (6.6 inches)85%extreme
April Weather26°C (79°F)175 mm (6.9 inches)87%extreme
May Weather25°C (78°F)172 mm (6.8 inches)90%extreme
June Weather25°C (77°F)36 mm (1.4 inches)88%very high
July Weather24°C (75°F)31 mm (1.2 inches)87%very high
August Weather24°C (76°F)59 mm (2.3 inches)88%extreme
September Weather25°C (77°F)126 mm (5.0 inches)89%extreme
October Weather25°C (77°F)219 mm (8.6 inches)91%extreme
November Weather25°C (77°F)201 mm (7.9 inches)92%extreme
December Weather25°C (78°F)181 mm (7.1 inches)88%extreme

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