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September Weather in Ketou, Benin

Last updated: August 22, 2025

In Ketou, Benin, the average temperature in September hovers around 26°C (80°F), with a comfortable minimum of 22°C (72°F) and a warm maximum reaching 33°C (92°F). Expect approximately 169 mm (6.6 in) of precipitation over 23 days, coupled with a high average humidity of 91%. Enjoy the vibrant atmosphere, but be prepared for occasional rain!

September Temperature in Ketou

In September in Ketou, the average temperature is 26°C (80°F). Maximum can reach 33°C (92°F) and minimum can be as low as 22°C (72°F). This pleasant weather makes it an ideal time for travelers to enjoy outdoor activities and explore the local attractions.

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

The chart illustrates September temperature patterns in Ketou, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ketou, September typically has an average temperature of 26°C (80°F), with highs reaching up to 33°C (92°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec858786848381797979808284
Data source: Temperature data for Ketou 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 Ketou

In Ketou in September, the total precipitation amount reaches 169 mm (6.6 in), occurring over the course of 23 days.

September Precipitation Trends in Ketou

The chart displays monthly precipitation patterns in Ketou, 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 Ketou, September typically receives around 169 mm (6.6 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec6255363109136167164169138288
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ketou

In Ketou in September, humidity is 91%. With an average temperature of 26°C (80°F), this humidity feels like a thick, heavy blanket wrapping around you, making travel feel sluggish and uncomfortable as you sweat with every step.

September Average Humidity in Ketou

This chart illustrates the average monthly humidity levels in Ketou, 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 Ketou is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec36%45%60%75%83%86%87%90%91%89%82%68%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ketou

In Ketou 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 Ketou.

Maximum UV Index Levels in Ketou for September

The chart shows the monthly maximum UV Index (UVI) for Ketou 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 Ketou typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1111121412121212131199
Data source: Ketou 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 Ketou Compares to Other Months

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

This table compares monthly weather conditions in Ketou, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather29°C (85°F)6 mm (0.2 inches)36%extreme
February Weather30°C (87°F)25 mm (1.0 inches)45%extreme
March Weather30°C (86°F)53 mm (2.1 inches)60%extreme
April Weather29°C (85°F)63 mm (2.5 inches)75%extreme
May Weather28°C (83°F)109 mm (4.3 inches)83%extreme
June Weather27°C (81°F)136 mm (5.4 inches)86%extreme
July Weather26°C (80°F)167 mm (6.6 inches)87%extreme
August Weather26°C (79°F)164 mm (6.5 inches)90%extreme
September Weather26°C (80°F)169 mm (6.6 inches)91%extreme
October Weather27°C (81°F)138 mm (5.4 inches)89%extreme
November Weather28°C (83°F)28 mm (1.1 inches)82%very high
December Weather29°C (84°F)8 mm (0.3 inches)68%very high

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