September Weather in Boulsa, Burkina Faso

Last updated: August 22, 2025

In September, the average temperature in Boulsa, Burkina Faso is a warm 28°C (83°F). Expect lows around 20°C (68°F) and highs soaring to 36°C (98°F). With 84 mm (3.3 in) of rain spread over approximately 13 days, you might want to carry an umbrella. Plus, the air will feel quite humid, hovering around an average of 81%. Stay cool and enjoy your time!

September Temperature in Boulsa

In September in Boulsa, the average temperature is 28°C (83°F). Maximums can reach 36°C (98°F), while minimums can drop to as low as 20°C (68°F). This pleasant climate makes it an ideal time for outdoor adventures and exploration.

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

The chart illustrates September temperature patterns in Boulsa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Boulsa, September typically has an average temperature of 28°C (83°F), with highs reaching up to 36°C (98°F) and lows dropping to around 20°C (68°F).
JanFebMarAprMayJunJulAugSepOctNovDec778290939287838182858379
Data source: Temperature data for Boulsa 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 Boulsa

In Boulsa in September, the precipitation amount is 84 mm (3.3 in) during 13 days, indicating a relatively wet period for that time of year.

September Precipitation Trends in Boulsa

The chart displays monthly precipitation patterns in Boulsa, 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 Boulsa, September typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec0112184888192842500
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Boulsa

In Boulsa in September, humidity is 81%. With an average temperature of 28°C (83°F), this humidity feels like walking through a warm, damp blanket, making travel feel both stifling and exhausting.

September Average Humidity in Boulsa

This chart illustrates the average monthly humidity levels in Boulsa, 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 Boulsa is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec10%8%10%27%52%73%75%82%82%75%33%13%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Boulsa

In Boulsa 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 Boulsa.

Maximum UV Index Levels in Boulsa for September

The chart shows the monthly maximum UV Index (UVI) for Boulsa 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 Boulsa typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1011121312131314131199
Data source: Boulsa 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 Boulsa Compares to Other Months

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

This table compares monthly weather conditions in Boulsa, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)0 mm (0.0 inches)9%very high
February Weather28°C (82°F)1 mm (0.0 inches)8%extreme
March Weather32°C (90°F)1 mm (0.0 inches)10%extreme
April Weather34°C (94°F)2 mm (0.1 inches)27%extreme
May Weather33°C (92°F)18 mm (0.7 inches)52%extreme
June Weather31°C (87°F)48 mm (1.9 inches)73%extreme
July Weather28°C (83°F)87 mm (3.4 inches)75%extreme
August Weather27°C (81°F)192 mm (7.6 inches)82%extreme
September Weather28°C (83°F)84 mm (3.3 inches)81%extreme
October Weather30°C (85°F)25 mm (1.0 inches)75%extreme
November Weather28°C (84°F)0 mm (0.0 inches)33%very high
December Weather26°C (79°F)0 mm (0.0 inches)13%very high

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