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September Weather in Mayumba, Gabon

Last updated: August 23, 2025

The average temperature in Mayumba, Gabon during September is a pleasant 24°C (75°F). You'll find that temperatures can dip to a minimum of 21°C (71°F) and reach up to a cozy 26°C (80°F). Be prepared for some rain, as the area sees about 40 mm (1.6 in) of precipitation over 15 days. Plus, with an average humidity of 89%, it's a great month to enjoy the lush surroundings!

September Temperature in Mayumba

In September in Mayumba, the average temperature is 24°C (75°F), with maximums reaching 26°C (80°F) and minimums dipping to as low as 21°C (71°F). This mild and pleasant climate makes it an ideal time for traveling and exploring the beauty of Mayumba.

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

The chart illustrates September temperature patterns in Mayumba, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mayumba, September typically has an average temperature of 24°C (75°F), with highs reaching up to 26°C (80°F) and lows dropping to around 21°C (71°F).
JanFebMarAprMayJunJulAugSepOctNovDec798081807975727375777879
Data source: Temperature data for Mayumba 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 Mayumba

In Mayumba in September, the total precipitation amount is 40 mm (1.6 in) spread over 15 days.

September Precipitation Trends in Mayumba

The chart displays monthly precipitation patterns in Mayumba, 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 Mayumba, September typically receives around 40 mm (1.6 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec2062011581638117111940164237275
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mayumba

In Mayumba in September humidity is 89%. With average temperature 24°C (75°F), this humidity feels like a heavy, damp blanket enveloping you, making travel feel sluggish and sticky as you navigate the sultry air.

September Average Humidity in Mayumba

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

September UV Index in Mayumba

In Mayumba 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 Mayumba.

Maximum UV Index Levels in Mayumba for September

The chart shows the monthly maximum UV Index (UVI) for Mayumba 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 Mayumba typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1314131313991012131313
Data source: Mayumba 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 Mayumba Compares to Other Months

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

This table compares monthly weather conditions in Mayumba, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)206 mm (8.1 inches)88%extreme
February Weather27°C (80°F)201 mm (7.9 inches)88%extreme
March Weather27°C (81°F)158 mm (6.2 inches)87%extreme
April Weather27°C (80°F)163 mm (6.4 inches)88%extreme
May Weather26°C (79°F)81 mm (3.2 inches)89%extreme
June Weather24°C (75°F)17 mm (0.7 inches)88%very high
July Weather22°C (72°F)11 mm (0.4 inches)88%very high
August Weather23°C (73°F)19 mm (0.8 inches)90%very high
September Weather24°C (75°F)40 mm (1.6 inches)89%extreme
October Weather25°C (78°F)164 mm (6.5 inches)90%extreme
November Weather26°C (79°F)237 mm (9.3 inches)92%extreme
December Weather26°C (79°F)275 mm (10.8 inches)91%extreme

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