September Weather in Zwedru, Liberia

Last updated: August 23, 2025

In September, the average temperature in Zwedru, Liberia hovers around 25°C (77°F). Expect a comfortable minimum of 21°C (70°F), with highs reaching up to 32°C (90°F). However, be prepared for considerable rainfall, with 293 mm (11.5 in) expected over 28 days. The air will feel quite humid, with average humidity levels around 94%.

September Temperature in Zwedru

In September in Zwedru, the average temperature is 25°C (77°F). The maximum can reach 32°C (90°F), and the minimum can be as low as 21°C (70°F). It's a great time to explore and enjoy outdoor activities, as the weather is warm and pleasant.

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

The chart illustrates September temperature patterns in Zwedru, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Zwedru, September typically has an average temperature of 25°C (77°F), with highs reaching up to 32°C (90°F) and lows dropping to around 21°C (70°F).
JanFebMarAprMayJunJulAugSepOctNovDec798080807977777677787978
Data source: Temperature data for Zwedru 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 Zwedru

In Zwedru in September, the precipitation amount is 293 mm (11.5 in) over the course of 28 days.

September Precipitation Trends in Zwedru

The chart displays monthly precipitation patterns in Zwedru, 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 Zwedru, September typically receives around 293 mm (11.5 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec387913514122024814216829320611045
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Zwedru

In Zwedru in September, humidity is 94%. With an average temperature of 25°C (77°F), this humidity feels like a warm, heavy blanket enveloping you, making outdoor activities challenging and requiring frequent breaks to stay hydrated.

September Average Humidity in Zwedru

This chart illustrates the average monthly humidity levels in Zwedru, 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 Zwedru is approximately 94%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%77%80%81%84%88%89%94%94%92%82%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Zwedru

In Zwedru 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 Zwedru.

Maximum UV Index Levels in Zwedru for September

The chart shows the monthly maximum UV Index (UVI) for Zwedru 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 Zwedru typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111213141312121212121110
Data source: Zwedru 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 Zwedru Compares to Other Months

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

This table compares monthly weather conditions in Zwedru, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)38 mm (1.5 inches)74%extreme
February Weather27°C (81°F)79 mm (3.1 inches)77%extreme
March Weather27°C (80°F)135 mm (5.3 inches)79%extreme
April Weather26°C (80°F)141 mm (5.5 inches)81%extreme
May Weather26°C (79°F)220 mm (8.7 inches)84%extreme
June Weather25°C (78°F)248 mm (9.8 inches)88%extreme
July Weather25°C (77°F)141 mm (5.6 inches)89%extreme
August Weather25°C (77°F)168 mm (6.6 inches)93%extreme
September Weather25°C (77°F)293 mm (11.5 inches)94%extreme
October Weather26°C (78°F)206 mm (8.1 inches)92%extreme
November Weather26°C (79°F)110 mm (4.3 inches)82%extreme
December Weather26°C (78°F)45 mm (1.8 inches)79%very high

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