September Weather in Bumpe, Sierra Leone

Last updated: August 31, 2025

In September, the average temperature in Bumpe, Sierra Leone reaches a pleasant 25°C (77°F). Expect a minimum of 22°C (71°F) and a maximum of 33°C (92°F). Prepare for some rain, as precipitation totals 527 mm (20.8 in) over 29 days, accompanied by a high average humidity of 94%. Whether you’re planning outdoor activities or cozy indoor relaxation, this tropical climate sets the perfect backdrop!

September Temperature in Bumpe

In September in Bumpe, the average temperature is 25°C (77°F), with maximums reaching 33°C (92°F) and minimums dropping as low as 22°C (71°F). This mild and warm climate makes it an ideal time for outdoor activities and exploration.

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

The chart illustrates September temperature patterns in Bumpe, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Bumpe, September typically has an average temperature of 25°C (77°F), with highs reaching up to 33°C (92°F) and lows dropping to around 22°C (71°F).

Data source: Temperature data for Bumpe generated using information from the Copernicus Climate Change Service.

September Precipitation in Bumpe

In Bumpe in September, the total precipitation amount reaches 527 mm (20.8 in) over a span of 29 days.

September Precipitation Trends in Bumpe

The chart displays monthly precipitation patterns in Bumpe, 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 Bumpe, September typically receives around 527 mm (20.8 inches) of precipitation spread over approximately 29 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Bumpe

In Bumpe 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 Bumpe

This chart illustrates the average monthly humidity levels in Bumpe, 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 Bumpe is approximately 94%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Bumpe

In Bumpe 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 Bumpe.

Maximum UV Index Levels in Bumpe for September

The chart shows the monthly maximum UV Index (UVI) for Bumpe 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 Bumpe typically reaches 13, which falls under the extreme exposure category.

Data source: Bumpe 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 Bumpe Compares to Other Months

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

This table compares monthly weather conditions in Bumpe, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	27°C (82°F)	11 mm (0.4 inches)	71%	very high
February Weather	28°C (83°F)	32 mm (1.3 inches)	76%	extreme
March Weather	28°C (83°F)	63 mm (2.5 inches)	79%	extreme
April Weather	28°C (82°F)	139 mm (5.5 inches)	83%	extreme
May Weather	27°C (80°F)	249 mm (9.8 inches)	84%	extreme
June Weather	26°C (78°F)	433 mm (17.1 inches)	88%	extreme
July Weather	25°C (77°F)	499 mm (19.6 inches)	89%	extreme
August Weather	25°C (77°F)	609 mm (24.0 inches)	93%	extreme
September Weather	25°C (77°F)	527 mm (20.8 inches)	94%	extreme
October Weather	26°C (78°F)	279 mm (11.0 inches)	91%	extreme
November Weather	26°C (79°F)	125 mm (4.9 inches)	83%	very high
December Weather	26°C (80°F)	37 mm (1.5 inches)	77%	very high