Bamako weather in September

September in Bamako: sweltering, soaked, with clean air — a gamble, with 19 rainy days.

Updated September 2026 · climate normals from ERA5 reanalysis

Bamako🇲🇱 Mali · Sahel & Cabo Verde · City62
  1. 84Jan
  2. 69Feb
  3. 50Mar
  4. 42Apr
  5. 46May
  6. 59Jun
  7. 55Jul
  8. 51Aug
  9. 62Sep
  10. 64Oct
  11. 71Nov
  12. 83Dec

#6 of 12 months in Bamako · #1089 of 1413 destinations to visit in September · comfort 62/100 (tier C)

Days
33°C
Nights
23°C
Wet days
19
Sun
9.7 h
Humidity
84%
Daylight
12 h
Bamako, Mali
Photo: Rgaudin · Public domain

Traveller notes on Bamako in September

Other months in Bamako

Detailed July-specific weather trip reports for Bamako are essentially absent from the forum, with what discussion exists focused mainly on safety and current travel conditions rather than granular climate detail. Given the limited destination-specific coverage, this note is grounded in the well-established regional pattern for this part of the Sahel: July sits within Mali's rainy season, bringing hot, humid conditions with genuine afternoon rain on top of persistent heat, a real change from the drier, dustier stretch that dominates most of the rest of the year. Posters generally emphasize checking current safety guidance as the more pressing concern for a Bamako visit than the specific month chosen.
Tripadvisor community · July · 1 month ago · Read more on Tripadvisor ↗
Forum posters describe January as sitting within Mali's dry season, with one visitor on a January work trip describing the sun as genuinely intense and the heat as hard to escape during the day - bug repellent and sunscreen are both standard packing advice from posters regardless of the dry conditions. Posters don't report meaningful rain risk this time of year, consistent with January being one of the driest months on the calendar here, but heat rather than rain is the real factor to plan around, with the sun's intensity during midday hours a recurring theme across multiple posters' accounts. Posters generally recommend lightweight, sun-protective clothing and staying hydrated over worrying about rain gear for a January visit.
Tripadvisor community · January · 1 month ago · Read more on Tripadvisor ↗

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Bamako climate normals — September

Daytime high33°C / 91°F🔥 sweltering
Nighttime low23°C / 73°F
Feels like (high)39°C / 102°F
Rainfall163 mm / 6.4 in⛈ soaked
Rainy days19 days
Humidity84%💦 very humid
Dew point23°C / 74°F
Sunshine9.7 h/day
Daylight12.2 h
Wind12 km/h / 7 mph
Air quality (US AQI)38🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in Bamako in September

How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.

BusyIndependence Day, school holidays in 2 of the markets that fill it(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Bamako's weather

Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).

Fair weatherBamako's weather peaks November–January.

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Best weatherFair weatherToughest weather

What's on in Bamako in September

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Holiday

    Independence Day

    22 SepNational holidayClosures

    Mali marks independence from France on 22 September. Ministries, banks and schools shut for the day and the state ceremony takes over the centre; the markets reopen the morning after as if nothing happened. Source ↗

What's on around the world in September →

Where is Bamako?

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Bamako in September — FAQ

Is September a good time to visit Bamako?
September in Bamako: sweltering, soaked, with clean air — a gamble, with 19 rainy days. It ranks #6 of 12 months for Bamako on SeasonMap's comfort score (62/100).
What is the weather like in Bamako in September?
In September, Bamako averages a daily high of 32.9°C and a low of 22.5°C, with about 162.9 mm of rain over roughly 18.8 rainy days.
What is the air quality in Bamako in September?
Bamako has a mean US Air Quality Index of about 38 in September.