Last updated: August 21, 2025
In Ouidah, Benin, the weather in September is marked by a warm climate characterized by a maximum temperature of 30°C (87°F) and an average of 26°C (79°F). Nighttime brings a mild minimum temperature of 23°C (74°F), providing some relief in the evenings. However, this month also witnesses significant precipitation, with 174 mm (6.8 in) of rain spread across 24 days, contributing to a high humidity level of 91%. Visitors can expect a tropical atmosphere, where the interplay of heat and moisture creates a vibrant yet damp environment perfect for exploring the rich culture of this coastal town.
In September, Ouidah, Benin experiences a gentle transition in its climate, characterized by mild temperatures and a notable drop in heat. The month brings a minimum temperature of around 23°C (74°F) and a comfortable average of 26°C (79°F), peaking at a pleasant 30°C (87°F). This marks a subtle cooling from the highs of the previous months, creating an inviting atmosphere for locals and visitors alike. As the city whispers of the approaching dry season, September's weather is perfect for exploration, encouraging outdoor activities under the softening sun. Overall, it’s a time when Ouidah begins to shake off the summer’s heat, offering a refreshing respite before the cooler months ahead.
In September, Ouidah, Benin, experiences a significant uptick in precipitation, with an impressive 174 mm (6.8 in) of rainfall spread over 24 days. This substantial increase continues the wet trend established during the previous months, notably peaking after the comparatively drier summer months of July and August. The rise in rainfall not only underscores the shift into the heart of the rainy season but also highlights September as a crucial month for replenishing local ecosystems and agriculture. As the final vestiges of the dry season fade, the consistent moisture transforms the landscape, setting the stage for lush growth and vibrant surroundings.
September in Ouidah, Benin, marks a peak in humidity, reaching a notable 91%. This month follows a steady climb throughout the summer, with humidity levels building from 83% in May to a sweltering 90% in August. As the wet season progresses, the air becomes increasingly saturated, creating a dense, tropical atmosphere that characterizes the region. Following September, humidity starts to gently decline, hinting at a transition towards the drier months ahead. It's during this late-summer phase that Ouidah's unique climate truly showcases its lush and vibrant character.
In September, Ouidah, Benin continues to experience a strikingly high UV Index of 12, categorized as extreme, meaning that unprotected skin can burn in just 10 minutes. This month marks the sixth consecutive month of extreme UV levels, reflecting a consistent trend that started in April with a peak in May at 14. Though September's UV index slightly dips from the peak, it remains critical for residents and visitors to prioritize sun protection. With similarly high readings extending into the following months, safeguarding against UV exposure is essential throughout the year. For more details on UV indices in Ouidah, explore the Ouidah UV Index.
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September in Ouidah, Benin, welcomes visitors with 304 hours of radiant sunshine, comfortably nestled between the summer highs of August's 326 hours and the more moderate days of October's 319 hours. This month is part of a delightful ascent in daylight hours that begins in the early months of the year, peaking noticeably in the vibrant springtime of May with an impressive 329 hours. While sunshine levels fluctuate throughout the year, September’s generous sunlight offers a harmonious balance, making it an ideal time for outdoor exploration and cultural festivities. As days shorten into October, the lingering warmth of September serves as a gentle reminder of the tropical charm that defines Ouidah, setting a picturesque backdrop for all who visit.
As summer transitions into autumn in Ouidah, Benin, September brings with it a notable dip in sunny weather, with a mere 18% chance of clear skies. This marks a significant decline from the sunnier months of January and February, both boasting a robust 55% likelihood of sunny days, and it stands in stark contrast to the peak of rainy season that characterizes the mid-year months. The trend indicates a gradual decrease in sunny days through the summer, reaching a low point in September before slowly rising again in October. For those planning a visit or outdoor activities, it's wise to prepare for overcast conditions and occasional rain as the region transitions into its wetter season.
In September, Ouidah, Benin enjoys a consistent 12 hours of daylight, maintaining the trend set in the preceding months from April through August. This spell of steady daylight signifies a harmonious blend of warmth and light, perfect for exploring the vibrant tapestry of life in this coastal town. As the year progresses, daylight begins to taper off slightly in October, dropping to 11 hours, mirroring the transition towards the cooler months ahead. Overall, the pattern of daylight duration reflects the region's unique climate, highlighting the enchanting rhythm of the seasons in West Africa.
As summer fades into autumn in Ouidah, September brings a gentle breeze with an average wind speed of 3.3 m/s (7 mph), marking a slight decline from the summer's invigorating gusts. This month typically witnesses a softening in the winds, as July and August boasted higher velocities of 4.4 m/s (10 mph) and 4.1 m/s (9 mph), respectively. The overall trend reveals a gradual decrease in wind speed approaching the end of the year, with October and November following closely behind at 3.0 m/s and 2.9 m/s. This shift creates a calming atmosphere over Ouidah, perfectly embodying the serene transition from the vibrant energy of summer to the tranquil days of fall.
Weather in Ouidah varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Ouidah, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present notable contrasts in weather. In September, temperatures typically range from a minimum of 23°C (74°F) to a maximum of 30°C (87°F), with an average of 26°C (79°F). This month experiences significant rainfall, accumulating around 174 mm (6.8 in) over 24 days, and humidity is quite high at 91%. In contrast, January offers warmer temperatures, with a minimum of 21°C (71°F) and a maximum of 33°C (91°F), averaging at 28°C (83°F). This month is characterized by much less precipitation, totaling just 14 mm (0.6 in) over 4 days, and the humidity drops significantly to 36%. For a detailed look at weather conditions, visit Ouidah weather in January.
In September, the weather is characterized by a warm climate with average temperatures of 26°C (79°F) and high humidity levels at 91%. With a significant amount of rainfall totaling 174 mm (6.8 in) over 24 days, September tends to be quite wet. In contrast, February presents a drier and hotter atmosphere, featuring warmer average temperatures of 29°C (84°F) and maximum highs reaching up to 33°C (92°F). The precipitation decreases dramatically to only 37 mm (1.5 in) over 12 days, alongside a much lower humidity level of 45%. For more details, you can check this link: Ouidah weather in February.
In September, the weather tends to be quite humid with an average temperature of 26°C (79°F), but it can reach highs of 30°C (87°F). The month is characterized by significant rainfall, with about 174 mm (6.8 in) spread over 24 days, leading to a sticky climate with 91% humidity. In contrast, March offers a warmer and more stable environment, featuring an average temperature of 29°C (84°F) and maximums reaching 33°C (92°F). Precipitation is much lower in March, only 43 mm (1.7 in) over 12 days, and the humidity drops to a more comfortable 60%. For more details on the weather in March, you can check Ouidah weather in March.
September and April present distinct weather characteristics. In September, temperatures range from a minimum of 23°C (74°F) to a maximum of 30°C (87°F), with an average of 26°C (79°F). This month sees significant precipitation, totaling 174 mm (6.8 in) over 24 days, coupled with high humidity levels at 91%. In contrast, April enjoys warmer temperatures, with a minimum of 22°C (73°F) and a maximum reaching 33°C (92°F), averaging 29°C (84°F). Precipitation in April is notably lower, at 49 mm (1.9 in) over just 12 days, and humidity is more comfortable at 75%. For more insights, you can check Ouidah weather in April.
In comparing the weather of September to that of May, we observe notable differences. September tends to have slightly cooler temperatures with a minimum of 23°C (74°F) and an average of 26°C (79°F), while May experiences a higher minimum of 24°C (75°F) and an average temperature of 28°C (83°F). Additionally, May can reach a maximum of 33°C (92°F), compared to September's maximum of 30°C (87°F). Precipitation is also higher in September, with 174 mm (6.8 in) spread over 24 days, compared to May's 117 mm (4.6 in) over 21 days. Furthermore, September's humidity is notably higher at 91%, compared to May's 83%. For more specifics on May's weather, you can refer to Ouidah weather in May.
In comparing the weather of September and June, both months exhibit warm temperatures, with September showing a minimum of 23°C (74°F), averaging 26°C (79°F) and reaching a maximum of 30°C (87°F). June is slightly warmer, with similar minimum temperatures of 23°C (74°F), an average of 27°C (81°F), and a peak at 31°C (89°F). However, June has higher precipitation levels, totaling 234 mm (9.2 in) over 25 days, compared to September's 174 mm (6.8 in) across 24 days. Additionally, September experiences higher humidity at 91%, while June's humidity stands at a slightly lower 86%. For a detailed look at June weather, refer to Ouidah weather in June.
September weather displays slightly warmer minimum and maximum temperatures compared to July, with averages remaining consistent at around 26°C (79°F). In September, the humidity is higher at 91%, contributing to a more oppressive feel, whereas July has a lower humidity level of 87%. Additionally, September experiences significantly more rainfall, with 174 mm (6.8 in) over 24 days compared to July's 117 mm (4.6 in) across 23 days. For further insights, check out Ouidah weather in July.
In comparing the weather between September and August, both months exhibit similar temperature ranges, with minimum temperatures around 23°C (74°F), average temperatures at approximately 26°C (79°F), and maximum temperatures reaching 30°C (87°F) in September and 30°C (85°F) in August. However, September is notably wetter, receiving 174 mm (6.8 in) of precipitation over 24 days, compared to August's 92 mm (3.6 in) over 17 days. Humidity also slightly increases in September, averaging 91%, compared to August's 90%. For more detailed information, you can visit Ouidah weather in August.
September and October show a subtle progression in weather patterns, with October experiencing slightly warmer temperatures overall. In September, the minimum temperature hovers around 23°C (74°F) and peaks at 30°C (87°F), while October starts off with a minimum of 24°C (75°F) and reaches a maximum of 31°C (88°F). Both months feature similar high levels of humidity, but October's average humidity is slightly lower at 89% compared to September's 91%. Precipitation increases in October to 196 mm (7.7 in) over 24 days, while September records 174 mm (6.8 in) during the same number of days. For an in-depth look at the weather conditions, check out Ouidah weather in October.
In September, the weather tends to be warm and humid, with average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 30°C (87°F). This month experiences significant rainfall, totaling 174 mm (6.8 in) over approximately 24 days, contributing to a high humidity level of 91%. In contrast, November sees slightly warmer conditions, with temperatures between 24°C (75°F) and 32°C (91°F), and an average of 28°C (82°F). The precipitation significantly decreases to 85 mm (3.3 in) across about 21 days, resulting in a lower humidity of 82%. For more detailed insights on the weather during November, visit Ouidah weather in November.
In September, the weather is characterized by warm temperatures, with a minimum of 23°C (74°F) and an average of 26°C (79°F), peaking at a maximum of 30°C (87°F). This month sees quite a bit of rain, with total precipitation reaching 174 mm (6.8 in) over 24 days, contributing to a high humidity level of 91%. In contrast, December enjoys slightly higher average temperatures, with a minimum of 23°C (74°F) and a maximum of 33°C (92°F), resulting in a comfortable average of 28°C (83°F). Rainfall decreases significantly to 34 mm (1.4 in) over just 9 days, leading to a more pleasant humidity level of 68%. For more detailed information, you can check Ouidah weather in December.
September in Ouidah brings a unique blend of warmth and humidity, creating a tropical atmosphere that sets it apart from other months. With an average temperature hovering around 26°C (79°F), this period stands out due to its significantly high humidity levels of 91%, making the air feel notably heavier. Rainfall is also prominent, with 24 days of precipitation contributing to a total of 174 mm (6.8 in) throughout the month. This contrasts sharply with the drier, sunnier conditions found during the drier months, offering a lush, verdant landscape but also a challenge for outdoor activities. To delve deeper into Ouidah's climate variations, visit Ouidah Climate.