September Weather in Barma, Sierra Leone

Last updated: August 31, 2025

In September, the average temperature in Barma, Sierra Leone hovers around 24°C (76°F), with a comfortable minimum of 20°C (68°F) and occasional peaks reaching up to 32°C (89°F). Expect a significant amount of precipitation during this time, with 445 mm (17.5 in) spread over 28 days, contributing to an average humidity of 92%. This combination creates a lush and vibrant atmosphere perfect for exploring the beauty of the region.

September Temperature in Barma

In September in Barma, the average temperature is 24°C (76°F). Maximums can reach 32°C (89°F), while minimums can drop to as low as 20°C (68°F). This pleasant climate makes Barma an ideal destination for travelers seeking comfortable weather and a chance to explore the local attractions.

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

The chart illustrates September temperature patterns in Barma, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Barma, 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 20°C (68°F).
JanFebMarAprMayJunJulAugSepOctNovDec818383817977757576777878
Data source: Temperature data for Barma 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 Barma

In Barma in September, the total precipitation amount reaches 445 mm (17.5 in) over a span of 28 days.

September Precipitation Trends in Barma

The chart displays monthly precipitation patterns in Barma, 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 Barma, September typically receives around 445 mm (17.5 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec6265711820634140847844524010618
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Barma

In Barma in September humidity is 92%. With average temperature 24°C (76°F), this humidity feels like a wall of heat that envelops you, making every step feel heavy and sweat trickle relentlessly down your back, turning what should be a pleasant stroll into a sticky challenge for any traveler.

September Average Humidity in Barma

This chart illustrates the average monthly humidity levels in Barma, 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 Barma is approximately 92%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec52%62%68%78%82%90%89%93%92%90%82%65%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Barma

In Barma in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Barma, you can check here.

Maximum UV Index Levels in Barma for September

The chart shows the monthly maximum UV Index (UVI) for Barma 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 Barma typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111112131312131314121010
Data source: Barma 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 Barma Compares to Other Months

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

This table compares monthly weather conditions in Barma, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)6 mm (0.2 inches)51%extreme
February Weather28°C (83°F)26 mm (1.0 inches)62%extreme
March Weather28°C (83°F)57 mm (2.3 inches)68%extreme
April Weather27°C (81°F)118 mm (4.6 inches)78%extreme
May Weather26°C (79°F)206 mm (8.1 inches)82%extreme
June Weather25°C (77°F)341 mm (13.4 inches)90%extreme
July Weather24°C (75°F)408 mm (16.1 inches)89%extreme
August Weather24°C (75°F)478 mm (18.8 inches)93%extreme
September Weather24°C (76°F)445 mm (17.5 inches)92%extreme
October Weather25°C (77°F)240 mm (9.5 inches)90%extreme
November Weather25°C (78°F)106 mm (4.2 inches)82%very high
December Weather26°C (79°F)18 mm (0.7 inches)65%very high

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