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September Weather in Mossendjo, Congo

Last updated: August 23, 2025

In September, the average temperature in Mossendjo, Congo hovers around 24°C (76°F), making it a pleasantly warm time of year. Expect minimums of 19°C (67°F) and highs peaking at 32°C (89°F). While enjoying the warm weather, be prepared for 62 mm (2.4 in) of rain spread over 17 days, resulting in an average humidity of 87%.

September Temperature in Mossendjo

In September in Mossendjo, the average temperature is 24°C (76°F). The maximum can reach 32°C (89°F), and the 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 Mossendjo: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Mossendjo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mossendjo, September typically has an average temperature of 24°C (76°F), with highs reaching up to 32°C (89°F) and lows dropping to around 19°C (67°F).
JanFebMarAprMayJunJulAugSepOctNovDec777778787775727375767776
Data source: Temperature data for Mossendjo 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 Mossendjo

In Mossendjo in September, the precipitation amount is 62 mm (2.4 in) over the course of 17 days.

September Precipitation Trends in Mossendjo

The chart displays monthly precipitation patterns in Mossendjo, 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 Mossendjo, September typically receives around 62 mm (2.4 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec21128217023815232162062255313322
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mossendjo

In Mossendjo in September, humidity is 87%. With an average temperature of 24°C (76°F), this humidity feels like a warm, clingy blanket enveloping you, making travel feel sluggish and sticky as you navigate the air thick with moisture.

September Average Humidity in Mossendjo

This chart illustrates the average monthly humidity levels in Mossendjo, 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 Mossendjo is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%85%88%90%88%88%87%87%91%93%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Mossendjo

In Mossendjo 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 Mossendjo.

Maximum UV Index Levels in Mossendjo for September

The chart shows the monthly maximum UV Index (UVI) for Mossendjo 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 Mossendjo typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1313141413991112131312
Data source: Mossendjo 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 Mossendjo Compares to Other Months

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

This table compares monthly weather conditions in Mossendjo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)211 mm (8.3 inches)88%extreme
February Weather25°C (78°F)282 mm (11.1 inches)88%extreme
March Weather25°C (78°F)170 mm (6.7 inches)85%extreme
April Weather25°C (78°F)238 mm (9.4 inches)88%extreme
May Weather25°C (78°F)152 mm (6.0 inches)90%extreme
June Weather24°C (75°F)32 mm (1.3 inches)88%very high
July Weather22°C (72°F)16 mm (0.6 inches)88%very high
August Weather23°C (74°F)20 mm (0.8 inches)87%extreme
September Weather24°C (76°F)62 mm (2.4 inches)87%extreme
October Weather25°C (77°F)255 mm (10.1 inches)91%extreme
November Weather25°C (77°F)313 mm (12.3 inches)93%extreme
December Weather25°C (77°F)321 mm (12.7 inches)91%extreme

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