Last updated: August 21, 2025
Kumasi, Ghana, experiences a warm and humid September, characterized by maximum temperatures reaching 33°C (91°F) and an average of 25°C (78°F). The month is marked by a high humidity level of 92%, creating a notably steamy atmosphere. Rainfall is significant, with 211 mm (8.3 in) of precipitation spread over 26 days, making it one of the wetter months. Visitors should be prepared for occasional downpours while enjoying the lush, vibrant landscapes that thrive under such conditions.
In September, Kumasi experiences a subtle transition in temperatures, with minimums averaging around 21°C (71°F) and maximums peaking at 33°C (91°F). This month maintains a consistent average temperature of 25°C (78°F), similar to the cooler months of July and August. As the rainy season begins to taper off, the slight increase in highs offers a hint of warmth, while the evenings remain pleasantly mild. Overall, September strikes a balance, providing comfortable weather that embodies the gentle shift towards the hotter months ahead, making it a delightful time to explore the rich culture and scenery of Kumasi.
In September, Kumasi experiences a significant uptick in precipitation, recording an impressive 211 mm (8.3 in) over 26 days, making it one of the wettest months of the year. This surge stands in stark contrast to the drier months at the beginning of the year, where precipitation barely registers. The rainy season reaches its peak, highlighting a trend of increasing rainfall from May through September. As the city transitions into October, precipitation remains substantial but begins to taper off, suggesting a gradual shift towards drier conditions. The regularity of rain in September not only underscores the city's tropical climate but also sets the stage for the vibrant greenery that characterizes the landscape during this time.
In Kumasi, Ghana, September marks a peak in humidity, hitting an impressive 92%. This month signifies the culmination of the rainy season, with moisture levels steadily rising from a modest 42% in January to the sweltering heights seen in late summer. The transition from August's already high 90% humidity to September's peak reflects the region's characteristic tropical climate, where humidity remains a constant companion. Following September, humidity begins a gradual decline, dropping to 90% in October and further decreasing as the year progresses. Overall, the trend highlights a clear pattern of increasing humidity through the year, underscoring the lush, vibrant environment that defines Kumasi.
In September, Kumasi, Ghana experiences a UV Index of 13, categorizing it as extreme, with a burn time of just 10 minutes. This high level of UV exposure follows a trend seen throughout the earlier months of the year, where UV indices remain consistently elevated, peaking in April at 14. The gradual shift from summer to fall sees September maintaining significant UV levels, echoing the extreme conditions of July and August. As the humidity and heat linger, it's crucial for residents and visitors to stay vigilant about sun protection during these intense conditions. For more detailed information on daily UV levels, explore the Kumasi UV Index.
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As the year transitions into September in Kumasi, Ghana, the daylight begins to wane slightly, offering 228 hours of sunshine compared to the blooming peak of 296 hours experienced in May. This gradual decline marks the start of a seasonal shift, where the vibrant green landscapes slowly yield to the colorful hues of autumn. After enjoying consistent hours of sunshine throughout the earlier months, September sets a contrasting tone as it dips, yet the warmth of the sun remains inviting. Looking ahead to October, the city receives a rejuvenated boost with 260 hours of sunlight, reaffirming the dynamic nature of Kumasi's tropical climate as it embraces the forthcoming dry season.
In Kumasi, Ghana, the likelihood of sunny weather in September takes a dip, with only a 13% chance of clear skies. This trend reflects a marked decline from the preceding months, where the chances of sun dwindled dramatically from the 17% in July and August. As the wet season progresses, weather patterns indicate that sunshine becomes increasingly elusive, making September one of the cloudier months. This shift creates a striking contrast with the sunnier period of the year, particularly from December to February, where chances often exceed 50%. Thus, visitors to Kumasi in September should prepare for a more overcast experience, as the region braces for its peak rainy season.
In Kumasi, Ghana, the daylight duration in September remains consistent with the earlier months of the year, boasting 12 hours of daylight. This trend reflects a stable pattern that emerges as the region transitions from the slight variations of January and February, where daylight lasts for 11 hours, to a steady 12 hours from March through September. Following this peak, daylight begins to fade slightly in October and continues to shorten as the year draws to a close. This rhythm of day length not only underscores the equatorial climate of Kumasi but also provides a reliable backdrop for both daily life and agricultural practices throughout the year.
As September settles in Kumasi, Ghana, a gentle shift in the breezes becomes apparent, with the average wind speed dropping to 1.9 m/s (4 mph). After a series of months characterized by slightly stronger gusts, September's winds whisper a quieter tone, reminiscent of the calm that often accompanies the onset of the dry season. This gradual decline in wind speed is notable, as it marks a transition from the moderately breezy July and August, which averaged around 2.4 to 2.7 m/s (5 to 6 mph). As the year progresses towards October, we see a continued softening of the wind, hinting at the lull before the year draws to a close. The seasonal rhythm of Kumasi's winds invites both respite and reflection, reminding us of the beautiful ebbs and flows of nature.
Weather in Kumasi varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Kumasi, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather tends to be quite humid and rainy, with temperatures ranging from a minimum of 21°C (71°F) to a maximum of 33°C (91°F). The month is characterized by high precipitation, receiving about 211 mm (8.3 in) over approximately 26 days, resulting in a sticky atmosphere with a humidity level of 92%.
In contrast, January presents a drier climate with significantly lower precipitation at just 9 mm (0.3 in) over only 1 day. The temperatures during this month range from a minimum of 19°C (67°F) to a maximum of 37°C (99°F), and the humidity drops to a much more comfortable 42%. For more details on the weather patterns during this month, you can check Kumasi weather in January.
In September, the weather tends to be more humid and rainy, with average temperatures ranging from a minimum of 21°C (71°F) to a maximum of 33°C (91°F). The region experiences significant precipitation, with about 211 mm (8.3 in) over 26 days, resulting in a muggy atmosphere with humidity levels around 92%. In contrast, February offers a drier and hotter climate, where temperatures reach a minimum of 21°C (70°F) and soar to a maximum of 38°C (101°F). With only 41 mm (1.6 in) of rain over just 7 days and humidity dropping to 51%, February presents a more arid and sweltering experience. For more detailed information, visit Kumasi weather in February.
In September, Kumasi experiences a tropical climate characterized by a mild temperature range, with minimums averaging 21°C (71°F) and maximums reaching up to 33°C (91°F). High humidity at 92% and significant rainfall of 211 mm (8.3 in) across 26 days contribute to a relatively damp atmosphere. In contrast, March sees slightly higher temperatures, with minimums around 22°C (71°F) and maximums soaring up to 38°C (101°F), leading to an average temperature of 28°C (83°F). Additionally, March is drier, with only 99 mm (3.9 in) of precipitation over 18 days and humidity dropping to 66%. For a more detailed look at March weather in Kumasi, visit Kumasi weather in March.
In September, the weather in Kumasi is characterized by a cooler average temperature of 25°C (78°F), with maximum highs reaching 33°C (91°F). This month experiences significant rainfall, totaling 211 mm (8.3 in) across 26 days, accompanied by high humidity at 92%. In contrast, April is notably warmer, with average temperatures rising to 28°C (82°F) and maximum temperatures peaking at 36°C (97°F). Additionally, April sees much less precipitation, with only 96 mm (3.8 in) over 17 days and a lower humidity level of 76%. For a detailed look at the weather specifics, check out Kumasi weather in April.
September and May present distinct weather patterns in terms of temperature, precipitation, and humidity. In September, the average temperature ranges from a minimum of 21°C (71°F) to a maximum of 33°C (91°F), with a high humidity level of 92% contributing to a muggy atmosphere. Rainfall is substantial, averaging 211 mm (8.3 in) over 26 days, making it one of the wetter months.
In contrast, May features slightly higher average temperatures, with a minimum of 21°C (70°F) and a maximum of 35°C (95°F). Despite the warmer temperatures, rainfall is less frequent in May, totaling 139 mm (5.5 in) over 18 days, and humidity is lower at 81%. For more details on the weather conditions in May, you can visit Kumasi weather in May.
In comparing the weather of September and June, both months experience similar minimum temperatures, with September slightly warmer on average. September averages around 25°C (78°F) with a peak temperature of 33°C (91°F), while June has an average of 26°C (79°F) and a maximum of 34°C (94°F). Notably, September receives significantly more precipitation, totaling 211 mm (8.3 in) over 26 days compared to June's 137 mm (5.4 in) over 23 days. Additionally, humidity levels are higher in September at 92%, compared to June's 85%. For a more detailed look at June's climate specifics, you can refer to Kumasi weather in June.
In comparing the weather of September and July, we see some notable similarities and differences. Both months have a minimum temperature of around 21°C (70-21°C) and an average temperature of 25°C (78°F), providing warm conditions throughout. However, September tends to be slightly hotter with a maximum temperature reaching 33°C (91°F) compared to July's peak of 32°C (89°F).
Rainfall is more abundant in September, with 211 mm (8.3 in) of precipitation occurring over 26 days, contrasting with July's 151 mm (5.9 in) over 24 days. This results in September having higher humidity levels at 92%, compared to July's 87%. Overall, September proves to be wetter and more humid than July, making it a more challenging month in terms of precipitation. For additional insights on July weather, you can visit Kumasi weather in July.
In comparing the weather of September to August, we see slight variations in temperature and precipitation patterns. September experiences a minimum temperature of 21°C (71°F), with maximums reaching up to 33°C (91°F), slightly warmer than August's range, which starts at 20°C (68°F) and peaks at 32°C (90°F). Notably, September is much wetter, receiving 211 mm (8.3 in) of rain over 26 days, compared to August's 102 mm (4.0 in) over 18 days. Additionally, September's humidity is higher at 92%, while August sits at a more comfortable 90%. Overall, September is characterized by more rainfall and slightly warmer temperatures, making it a distinctly wetter month than August. For more details, see Kumasi weather in August.
September and October in Kumasi showcase a transition in weather patterns. While both months have a similar minimum temperature of 21°C (71°F), October sees a slight increase in the average temperature to 26°C (79°F), compared to September's 25°C (78°F). The maximum temperature remains steady at 33°C (91°F) for both months. Precipitation decreases significantly in October, with 159 mm (6.3 in) compared to September's 211 mm (8.3 in), and the number of rainy days is slightly lower at 25 in October versus 26 in September. Humidity also shows a minor decline from 92% in September to 90% in October. For more details on October’s climate, you can visit Kumasi weather in October.
In September, the weather in Kumasi is characterized by warm temperatures, with a minimum of 21°C (71°F) and an average of 25°C (78°F), peaking at a maximum of 33°C (91°F). However, it also experiences significant rainfall, totaling 211 mm (8.3 in) over 26 days, contributing to high humidity levels of 92%. In contrast, November sees somewhat higher average temperatures, with a minimum of 21°C (70°F) and a maximum of 34°C (94°F); however, rainfall decreases significantly to 80 mm (3.2 in) spread over 15 days, resulting in a lower humidity of 82%. These changes create a transition from the wet conditions of September to the drier, yet still warm, climate experienced in November. For more detailed information, you can visit Kumasi weather in November.
September weather tends to be quite humid and wet, with average temperatures around 25°C (78°F) and a maximum reaching up to 33°C (91°F). The month sees significant rainfall, with 211 mm (8.3 inches) over 26 days, contributing to a high humidity level of 92%. In contrast, December offers a warmer and drier climate, featuring an average temperature of 27°C (81°F) and highs of up to 36°C (96°F). Precipitation drops dramatically to just 24 mm (0.9 inches) over only 4 days, resulting in lower humidity at 69%. For more details on the climate specifics, you can check Kumasi weather in December.
As September unfolds in Kumasi, it brings a notable shift in weather, characterized by increased humidity and significant precipitation. Unlike the drier months, the capital of the Ashanti Region experiences an average temperature that remains pleasantly warm, yet the almost daily rains contribute to a lush, green landscape. With around 26 days of rainfall, the atmosphere feels more tropical, inviting nature lovers to soak in the vibrant scenery. This blend of warmth and moisture distinguishes September, making it a unique month for both residents and visitors alike. For a deeper understanding of what to expect throughout the year, check out Kumasi Climate.