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September Weather in Mongomo, Equatorial Guinea

Last updated: August 23, 2025

In September, the average temperature in Mongomo, Equatorial Guinea hovers around 24°C (75°F). Expect a comfortable range where the minimum can dip to 19°C (67°F) and the maximum peaks at 32°C (90°F). However, be prepared for some rain, as the area receives an average precipitation of 225 mm (8.8 in) spread over 28 days. With an average humidity of 92%, the air is crisp, contributing to a uniquely vibrant atmosphere.

September Temperature in Mongomo

In September in Mongomo, the average temperature is 24°C (75°F). Maximums can reach 32°C (90°F), while minimums can be as low as 19°C (67°F). This pleasant weather makes it an ideal time for travel and outdoor activities.

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

The chart illustrates September temperature patterns in Mongomo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mongomo, September typically has an average temperature of 24°C (75°F), with highs reaching up to 32°C (90°F) and lows dropping to around 19°C (67°F).
JanFebMarAprMayJunJulAugSepOctNovDec777777767675747475757576
Data source: Temperature data for Mongomo 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 Mongomo

In Mongomo in September, the precipitation amount is 225 mm (8.8 in) spread over a period of 28 days.

September Precipitation Trends in Mongomo

The chart displays monthly precipitation patterns in Mongomo, 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 Mongomo, September typically receives around 225 mm (8.8 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec66104204210215158123131225263214102
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mongomo

In Mongomo 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 Mongomo

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

In Mongomo 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 Mongomo.

Maximum UV Index Levels in Mongomo for September

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

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

This table compares monthly weather conditions in Mongomo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)66 mm (2.6 inches)85%extreme
February Weather25°C (77°F)103 mm (4.1 inches)83%extreme
March Weather25°C (77°F)204 mm (8.0 inches)85%extreme
April Weather25°C (77°F)210 mm (8.3 inches)87%extreme
May Weather24°C (76°F)215 mm (8.5 inches)88%extreme
June Weather24°C (75°F)158 mm (6.2 inches)89%extreme
July Weather23°C (75°F)123 mm (4.9 inches)88%extreme
August Weather23°C (75°F)131 mm (5.1 inches)90%extreme
September Weather24°C (75°F)225 mm (8.8 inches)92%extreme
October Weather24°C (75°F)263 mm (10.4 inches)92%extreme
November Weather24°C (75°F)214 mm (8.4 inches)91%extreme
December Weather25°C (77°F)102 mm (4.0 inches)87%extreme

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