September Weather in Mansoa, Guinea-Bissau

Last updated: August 23, 2025

In September, the average temperature in Mansoa, Guinea-Bissau is a warm 27°C (81°F), with minimums dipping to 23°C (73°F) and maximums soaring to 35°C (95°F). Expect a bustling month, as precipitation averages 344 mm (13.5 in) over 26 days, resulting in an average humidity of 84%. Perfect for those who love a tropical vibe!

September Temperature in Mansoa

In September in Mansoa, the average temperature is 27°C (81°F), with a maximum that can reach 35°C (95°F) and a minimum that can drop to 23°C (73°F). This pleasant weather makes it an ideal time for outdoor activities and sightseeing.

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

The chart illustrates September temperature patterns in Mansoa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mansoa, September typically has an average temperature of 27°C (81°F), with highs reaching up to 35°C (95°F) and lows dropping to around 23°C (73°F).

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

September Precipitation in Mansoa

In Mansoa in September, the total precipitation amount is 344 mm (13.5 in) spread over 26 days.

September Precipitation Trends in Mansoa

The chart displays monthly precipitation patterns in Mansoa, 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 Mansoa, September typically receives around 344 mm (13.5 inches) of precipitation spread over approximately 26 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 Mansoa

In Mansoa in September humidity is 84%. With an average temperature of 27°C (81°F), this humidity feels like walking through a warm, moist blanket, making travel uncomfortable and sticky, as every step seems to weigh you down with the heavy air.

September Average Humidity in Mansoa

This chart illustrates the average monthly humidity levels in Mansoa, 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 Mansoa is approximately 84%, 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 Mansoa

In Mansoa 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 Mansoa, you can check here.

Maximum UV Index Levels in Mansoa for September

The chart shows the monthly maximum UV Index (UVI) for Mansoa 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 Mansoa typically reaches 14, which falls under the extreme exposure category.

Data source: Mansoa 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 Mansoa Compares to Other Months

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

This table compares monthly weather conditions in Mansoa, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	26°C (79°F)	0 mm (0.0 inches)	57%	very high
February Weather	28°C (82°F)	0 mm (0.0 inches)	64%	very high
March Weather	29°C (85°F)	0 mm (0.0 inches)	64%	extreme
April Weather	30°C (86°F)	0 mm (0.0 inches)	73%	extreme
May Weather	30°C (86°F)	2 mm (0.1 inches)	76%	extreme
June Weather	29°C (84°F)	56 mm (2.2 inches)	80%	extreme
July Weather	27°C (81°F)	389 mm (15.3 inches)	81%	extreme
August Weather	27°C (80°F)	510 mm (20.1 inches)	86%	extreme
September Weather	27°C (81°F)	344 mm (13.5 inches)	84%	extreme
October Weather	28°C (83°F)	110 mm (4.3 inches)	80%	extreme
November Weather	28°C (83°F)	16 mm (0.6 inches)	73%	very high
December Weather	27°C (80°F)	0 mm (0.0 inches)	65%	very high