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September Weather in Mounana, Gabon

Last updated: August 23, 2025

In Mounana, Gabon, the average temperature in September hovers around 25°C (78°F), with a comfortable minimum of 20°C (69°F) and a warm maximum of 33°C (91°F). Expect 127 mm (5.0 in) of precipitation spread over 25 days, contributing to an average humidity level of 89%. Stay prepared for a blend of warm weather and frequent showers!

September Temperature in Mounana

In September in Mounana, the average temperature is 25°C (78°F), with maximums reaching 33°C (91°F) and minimums dropping to as low as 20°C (69°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy outdoor activities.

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

The chart illustrates September temperature patterns in Mounana, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mounana, September typically has an average temperature of 25°C (78°F), with highs reaching up to 33°C (91°F) and lows dropping to around 20°C (69°F).
JanFebMarAprMayJunJulAugSepOctNovDec787979797877757677777777
Data source: Temperature data for Mounana 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 Mounana

In Mounana in September, the precipitation amount is 127 mm (5.0 in) over the course of 25 days.

September Precipitation Trends in Mounana

The chart displays monthly precipitation patterns in Mounana, 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 Mounana, September typically receives around 127 mm (5.0 inches) of precipitation spread over approximately 25 days.
JanFebMarAprMayJunJulAugSepOctNovDec110124144158154413461127226189158
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mounana

In Mounana in September, humidity is 89%. With an average temperature of 25°C (78°F), this humidity feels like a warm, dense blanket enveloping you, making travel slightly uncomfortable as you sweat and struggle to keep cool while exploring the local sights.

September Average Humidity in Mounana

This chart illustrates the average monthly humidity levels in Mounana, 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 Mounana 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 Mounana

In Mounana 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 Mounana.

Maximum UV Index Levels in Mounana for September

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

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

This table compares monthly weather conditions in Mounana, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (78°F)110 mm (4.3 inches)88%extreme
February Weather26°C (79°F)124 mm (4.9 inches)87%extreme
March Weather26°C (79°F)144 mm (5.7 inches)85%extreme
April Weather26°C (79°F)158 mm (6.2 inches)87%extreme
May Weather25°C (78°F)154 mm (6.1 inches)90%extreme
June Weather25°C (77°F)41 mm (1.6 inches)88%very high
July Weather24°C (76°F)34 mm (1.3 inches)87%very high
August Weather25°C (77°F)61 mm (2.4 inches)88%extreme
September Weather25°C (78°F)127 mm (5.0 inches)89%extreme
October Weather25°C (78°F)226 mm (8.9 inches)91%extreme
November Weather25°C (78°F)189 mm (7.4 inches)92%extreme
December Weather25°C (78°F)158 mm (6.2 inches)88%extreme

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