Kumasi weather in September

September in Kumasi: hot, soaked, with clean air — fine if you can take 24 rainy days.

Updated September 2026 · climate normals from ERA5 reanalysis

Kumasi🇬🇭 Ghana · Gulf of Guinea · City65
  1. 75Jan
  2. 68Feb
  3. 66Mar
  4. 68Apr
  5. 67May
  6. 67Jun
  7. 72Jul
  8. 72Aug
  9. 65Sep
  10. 66Oct
  11. 74Nov
  12. 75Dec

#12 of 12 months in Kumasi · #1045 of 1413 destinations to visit in September · comfort 65/100 (tier C)

Days
28°C
Nights
22°C
Wet days
24
Sun
7.3 h
Humidity
84%
Daylight
12 h
Kumasi, Ghana
Photo: Critical Smith · Pexels

Traveller notes on Kumasi in September

Other months in Kumasi

Forum posters describe July as one of the cooler months to visit Ghana overall, with temperatures around 70-80F rather than the 90s typical elsewhere in the calendar, even though it falls within the country's rainy season. Posters specifically describe Kumasi as hotter and drier than coastal Accra, recommending the July-October stretch there specifically for a combination of cooler temperatures and comparatively lower rain chances relative to Ghana's coast. Posters do warn the rainy season generally can bring heavy overcast skies, high humidity and slippery roads, recommending a raincoat, hat or poncho, a sturdy umbrella and rain boots as sensible packing regardless of exact timing. Posters generally rate July as a relatively favorable, cooler pick for Kumasi within Ghana's rainy season, genuinely milder and somewhat drier than the coast.
Tripadvisor community · July · 1 month ago · Read more on Tripadvisor ↗
Forum posters name December-February as harmattan's peak, and January sits right in the middle of it - dry, dusty, hazy air blowing down from the Sahara, with effects felt across southern Ghana including Kumasi. Posters describe Kumasi as hotter and drier than Accra during this stretch, and while it's called a fine city to visit essentially year-round, several posters actually steer visitors toward July-October instead, when temperatures moderate and rain odds are genuinely lower than the popular assumption might suggest. For a January visit specifically, the standard harmattan coping advice comes up often: oil-based body creams to manage the dry air, alongside general dust and haze tolerance.
Tripadvisor community · January · 1 month ago · Read more on Tripadvisor ↗

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Kumasi climate normals — September

Daytime high28°C / 83°F🥵 hot
Nighttime low22°C / 72°F
Feels like (high)33°C / 91°F
Rainfall172 mm / 6.8 in⛈ soaked
Rainy days24 days
Humidity84%💦 very humid
Dew point22°C / 71°F
Sunshine7.3 h/day
Daylight12.2 h
Wind11 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 Kumasi 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.

Quietschool holidays in 2 of the markets that fill it, one of its worst months for weather(estimated)

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Peak crowdsBusyShoulder seasonQuiet

Best months for Kumasi'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 weatherKumasi's weather doesn't swing hard through the year — comfort stays fairly steady in every month.

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What's on in Kumasi in September

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

  • Festival

    Akwasidae at Manhyia

    1 Jan – 31 Dec · usuallyMajor festival

    Every forty to forty-two days the Asantehene holds court at Manhyia Palace: horns, drummers, chiefs in kente and a queue of subjects. It falls on a Sunday nine times a year, so any month has one, but the date is fixed by the Akan calendar rather than ours. Source ↗

What's on around the world in September →

Where is Kumasi?

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Kumasi in September — FAQ

Is September a good time to visit Kumasi?
September in Kumasi: hot, soaked, with clean air — fine if you can take 24 rainy days. It ranks #12 of 12 months for Kumasi on SeasonMap's comfort score (65/100).
What is the weather like in Kumasi in September?
In September, Kumasi averages a daily high of 28.4°C and a low of 22.3°C, with about 171.7 mm of rain over roughly 24.1 rainy days.
What is the air quality in Kumasi in September?
Kumasi has a mean US Air Quality Index of about 38 in September.