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September Weather in Oyem, Gabon

Last updated: August 23, 2025

In September, the average temperature in Oyem, Gabon is a pleasant 24°C (75°F), with a minimum of 19°C (67°F) and a maximum reaching 32°C (89°F). However, be prepared for some rain, as the region experiences an average precipitation of 245 mm (9.6 in) over 28 days. With an average humidity of 92%, it’s advisable to stay hydrated and enjoy the lush surroundings!

September Temperature in Oyem

In September in Oyem, the average temperature is 24°C (75°F). Maximum can reach 32°C (89°F) and minimum can be as low as 19°C (67°F). This pleasant climate makes it an ideal time for travelers to explore the outdoors and enjoy various activities.

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

The chart illustrates September temperature patterns in Oyem, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oyem, September typically has an average temperature of 24°C (75°F), with highs reaching up to 32°C (89°F) and lows dropping to around 19°C (67°F).
JanFebMarAprMayJunJulAugSepOctNovDec767776767675747474747576
Data source: Temperature data for Oyem 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 Oyem

In Oyem in September, the total precipitation amount is 245 mm (9.6 in) spread over a duration of 28 days.

September Precipitation Trends in Oyem

The chart displays monthly precipitation patterns in Oyem, 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 Oyem, September typically receives around 245 mm (9.6 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec78124227249224158141136245292276134
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Oyem

In Oyem in September humidity is 92%. With an average temperature of 24°C (75°F), this humidity feels like a warm blanket enveloping you, making travel sticky and uncomfortable, and each step feels heavier as the air clings to your skin.

September Average Humidity in Oyem

This chart illustrates the average monthly humidity levels in Oyem, 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 Oyem is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%83%85%87%89%89%88%90%92%93%91%87%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Oyem

In Oyem 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 Oyem.

Maximum UV Index Levels in Oyem for September

The chart shows the monthly maximum UV Index (UVI) for Oyem 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 Oyem typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121214151311111213141211
Data source: Oyem 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 Oyem Compares to Other Months

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

This table compares monthly weather conditions in Oyem, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)78 mm (3.1 inches)85%extreme
February Weather25°C (77°F)124 mm (4.9 inches)83%extreme
March Weather25°C (76°F)227 mm (8.9 inches)85%extreme
April Weather25°C (76°F)249 mm (9.8 inches)87%extreme
May Weather24°C (76°F)224 mm (8.8 inches)88%extreme
June Weather24°C (75°F)158 mm (6.2 inches)89%extreme
July Weather23°C (74°F)141 mm (5.6 inches)88%extreme
August Weather23°C (74°F)136 mm (5.3 inches)90%extreme
September Weather24°C (75°F)245 mm (9.6 inches)92%extreme
October Weather24°C (75°F)292 mm (11.5 inches)92%extreme
November Weather24°C (75°F)276 mm (10.9 inches)91%extreme
December Weather24°C (76°F)134 mm (5.3 inches)87%extreme

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