Last updated: August 27, 2025
September in Ibadan, Nigeria, offers a tropical experience marked by high humidity levels around 91%. The average temperature hovers around 25°C (77°F), while daily maximums can reach 32°C (90°F), providing a warm, albeit humid, atmosphere. This month is characterized by considerable precipitation, with 201 mm (7.9 in) accumulated over 26 rainy days, making it one of the wettest periods of the year. As the lush landscapes thrive, the vibrant rhythm of life in Ibadan reflects the dynamic interplay of warmth and moisture throughout September.
In September, Ibadan, Nigeria, experiences a slight shift in temperatures that heralds the arrival of the wet season. With minimums averaging around 21°C (70°F) and maximums reaching up to 32°C (90°F), the climate remains comfortably warm but begins to cool slightly compared to the peak heat of earlier months. The average temperature drops to 25°C (77°F), making this month unique as it marks the transition into a more temperate period. This trend of gradually decreasing temperatures from the sweltering highs of the previous summer months suggests a refreshing change, perfect for enjoying the vibrant surroundings of the city as it fully embraces the lush greenery brought on by the rains.
In September, Ibadan, Nigeria, experiences a significant deluge as the rainfall reaches 201 mm (7.9 in), making it one of the wettest months of the year. This precipitation occurs over 26 days, underscoring the persistent nature of the rains, which have been steadily increasing since the start of the wet season in June. Following the peak months of July and August, which saw similar levels of rainfall, September maintains this high average, albeit with a slight decrease. This trend highlights the region's characteristic pattern of heavy rainfall during the heart of the rainy season, providing essential moisture for agriculture and replenishing local water sources as it transitions into October, when rainfall begins to taper off. Overall, September exemplifies the lush, vibrant climate of Ibadan, marked by consistent showers that invigorate the landscape.
In Ibadan, Nigeria, September marks the peak of humidity, reaching a notable 91%. This sweltering month continues the trend observed throughout the year, where humidity steadily increases from a comfortable 37% in January to the sultry heights of late summer. Notably, the humidity begins its ascent as early as March, crossing the 60% threshold, and sees a dramatic rise from 82% in May to a staggering 90% by August. As September unfolds, residents experience the fullest brunt of this moisture-laden air, setting the stage for the gradual decline that follows in October. The cycle of humidity not only reflects Ibadan's tropical climate but also highlights the region's transition from the dry, cooler months to the lush, moist conditions characteristic of its rainy season.
In September, Ibadan experiences a UV Index of 13, placing it within the extreme exposure category with a burn time of just 10 minutes. This marks a slight increase from the previous months where the UV Index consistently held at 12. The trend throughout the year showcases a pattern of high to extreme UV levels, particularly from February to August, with the peak occurring in April at a staggering 14. As we transition into September, the UV intensity remains formidable, reminding residents and visitors alike to prioritize sun safety measures. For more insights on UV levels throughout the year, check the detailed guide at Ibadan UV Index.
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As September unfolds in Ibadan, Nigeria, residents experience a shift in their sunlight hours, basking in 244 hours of sunshine. While this marks a decrease from the peak summer months, notably May's vibrant 304 hours and March's generous 297 hours, it still reflects a steady rhythm in the yearly solar cycle. This dip is part of a broader trend, as each late-summer month witnesses a gradual decline in sunlight, with August already showing a reduction to 257 hours. Yet, with the city’s sunshine levels remaining robust compared to the cooler months ahead, September’s golden light continues to nurture the local flora and sustain the spirit of the Ibadan community before transitioning into the heart of the rainy season.
In Ibadan, Nigeria, the likelihood of sunny weather in September is quite low, at just 12%. This marks a significant decline following the already diminished sunshine seen in the preceding months of July and August, where the chances drop to 18% and 8% respectively. As the rainy season progresses, September emerges as one of the cloudiest months, creating a stark contrast to the more favorable conditions found in December, when the probability of sun rises to 52%. Observing these trends, it becomes evident that those seeking sunny days may want to plan their activities outside of September to better savor the brighter months that follow.
In September, Ibadan enjoys a consistent 12 hours of daylight, mirroring the length of light observed throughout the preceding months of April to August. This period of equal daylight hours reflects a stable pattern typical of the region, where the transition from the longer days of the rainy season begins to shift. As the year progresses into October, daylight shortens again to 11 hours, indicating a gradual approach toward the end of the calendar year. This rhythmic variation highlights the climatic stability that characterizes Ibadan’s environment, making September an ideal month to appreciate the balance of day and night.
As September rolls into Ibadan, the city's atmosphere is gently caressed by a soft breeze with an average wind speed of 1.5 m/s (3 mph), mirroring the more subdued conditions of January. This month typically marks a transition, where the winds begin to settle after the slightly more energetic gusts experienced in the preceding summer months. Notably, from April to July, average wind speeds hovered around 2.3 m/s (5 mph), infusing the air with a lively vibrance conducive to outdoor activities. However, as September arrives, the gentle winds serve as a reminder of the seasonal shift, gradually easing into more stable patterns that will persist in the coming months. The trend highlights a cyclical nature, where the winds seem to ebb and flow, fostering a comforting ambiance in the heart of Nigeria.
Weather in Ibadan varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Ibadan, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present notably different weather conditions. In September, temperatures range from a minimum of 21°C (70°F) to a maximum of 32°C (90°F), with an average temperature of 25°C (77°F). The month is characterized by high humidity at 91% and significant precipitation, averaging 201 mm (7.9 in) over 26 days. In contrast, January experiences a broader temperature range, with minimums of 16°C (61°F) and maximums reaching 37°C (99°F), averaging 28°C (83°F). Precipitation drops dramatically to just 8 mm (0.3 in) over only 2 days, and humidity decreases to a comfortable 37%. For more details, you can check Ibadan weather in January.
In September, the weather in Ibadan is characterized by warm temperatures, with minimums around 21°C (70°F) and averages reaching 25°C (77°F). It experiences significant rainfall, with 201 mm (7.9 in) typically falling over 26 days, resulting in high humidity levels of 91%. In contrast, February offers a much warmer climate, with average temperatures climbing to 29°C (85°F) and maximums peaking at an impressive 39°C (102°F). Rainfall is minimal in February, with only 25 mm (1.0 in) falling across just 5 days, and the humidity drops notably to 44%. For more detailed insights, check out Ibadan weather in February.
In September, the weather tends to be quite warm, with minimum temperatures around 21°C (70°F) and average highs reaching 32°C (90°F). The month also experiences significant rainfall, with about 201 mm (7.9 in) spread over 26 days, contributing to a high humidity level of 91%. In contrast, March is slightly warmer, with minimum temperatures of 22°C (71°F) and maximum highs soaring to 38°C (101°F). The precipitation is notably lower, totaling 73 mm (2.9 in) over 17 days, and the humidity decreases to 61%. Thus, while both months are warm, March offers a drier and hotter climate compared to the wetter and more humid September. For a detailed look at the climate specifics, you can check out Ibadan weather in March.
When comparing the weather in September and April, notable differences emerge. September typically has a lower average temperature of 25°C (77°F), with maximums reaching only 32°C (90°F), while April experiences a higher average temperature of 28°C (82°F) and can soar to maximums of 37°C (98°F). In terms of precipitation, September is much wetter, with 201 mm (7.9 in) falling over 26 days, compared to April's 85 mm (3.4 in) over 19 days. Furthermore, September's humidity is markedly higher at 91%, while April’s humidity averages around 72%. For more specific details, you can check Ibadan weather in April.
September and May both showcase warm temperatures, but May tends to be slightly hotter, with average highs reaching 35°C (95°F) compared to September's maximum of 32°C (90°F). The minimal temperatures are similar, with September averaging 21°C (70°F) and May averaging 22°C (71°F). Precipitation is notably higher in September, with 201 mm (7.9 in) falling over 26 days, while May experiences less rain, totaling 142 mm (5.6 in) over 22 days. Additionally, the humidity in September is higher at 91%, compared to 82% in May, contributing to a muggy atmosphere. For more details, you can check Ibadan weather in May.
In comparing the weather of September to that of June, both months display warm temperatures, but September tends to be slightly more humid and wetter. September's average temperature is 25°C (77°F), with a maximum of 32°C (90°F) and a high humidity level of 91%. In contrast, June has a marginally higher average temperature of 26°C (78°F), peaking at 34°C (93°F), but it features slightly less humidity at 86%. Additionally, September experiences more precipitation, with 201 mm (7.9 in) over 26 days, while June has 193 mm (7.6 in) spread over 25 days. For more detailed information, check out Ibadan weather in June.
In comparing the weather between September and July, both months exhibit similar average temperatures, hovering around 25°C (77°F). However, September tends to be slightly warmer, with maximum temperatures reaching up to 32°C (90°F) compared to July's 31°C (88°F). Precipitation levels are also comparable, with September receiving 201 mm (7.9 in) over 26 days, while July sees a bit more rain at 207 mm (8.1 in) across 27 days. Furthermore, September experiences higher humidity at 91%, compared to July's 87%. For more details on July's weather, you can visit Ibadan weather in July.
In comparing the weather of September and August, both months display similar temperature ranges, with September recording a minimum of 21°C (70°F) and a maximum of 32°C (90°F), while August has slightly cooler temperatures with a minimum of 19°C (67°F) and a maximum of 31°C (89°F). The average temperatures remain consistent, at 25°C (77°F) for both months. However, September experiences slightly more precipitation, totaling 201 mm (7.9 in) compared to August's 208 mm (8.2 in), both occurring over 26 days. Humidity levels are also comparable, with September slightly more humid at 91% compared to August's 90%. For a more detailed overview, you can check out Ibadan weather in August.
In September, the weather is characterized by warm temperatures, with daily averages around 25°C (77°F) and highs reaching up to 32°C (90°F). However, it also experiences significant rainfall, totaling 201 mm (7.9 in) over 26 days, coupled with high humidity levels of 91%. In contrast, October sees a slight increase in the average temperature to 26°C (78°F) and a marginal rise in maximum temperatures, peaking at 33°C (92°F). While precipitation decreases somewhat to 178 mm (7.0 in) over 24 days, the humidity remains fairly consistent at 90%. For more details on the October weather, you can check Ibadan weather in October.
In September, the weather is characterized by warm temperatures, with a minimum of 21°C (70°F) and an average of 25°C (77°F), reaching a maximum of 32°C (90°F). However, it is also quite rainy, with 201 mm (7.9 in) of precipitation spread over 26 days, coupled with high humidity levels of 91%. In contrast, November brings slightly warmer conditions, with a minimum of 22°C (71°F) and an average of 27°C (81°F), peaking at a hotter 35°C (96°F). Notably, November experiences significantly less rainfall, totaling only 32 mm (1.3 in) over just 9 days, and the humidity decreases to 82%. For a more detailed look at November weather in Ibadan, you can visit Ibadan weather in November.
In September, the weather is characterized by warm temperatures ranging from a minimum of 21°C (70°F) to a maximum of 32°C (90°F), with an average of 25°C (77°F). This month sees significant precipitation, totaling 201 mm (7.9 in) across 26 days, resulting in high humidity levels at 91%. In contrast, December offers a hotter climate, with temperatures varying from a minimum of 18°C (65°F) to a maximum of 36°C (98°F) and an average of 28°C (82°F). Notably, December experiences drastically lower precipitation, with only 6 mm (0.2 in) recorded over just 1 day, leading to a significantly lower humidity of 63%. For more details, check out the full report on Ibadan weather in December.
As September unfolds in Ibadan, the weather brings a distinct shift characterized by high humidity and considerable precipitation, setting it apart from the drier months. With temperatures averaging around 25°C (77°F), residents experience a welcome respite from the heat, though the increased rain—often falling on 26 days—adds a layer of complexity to daily life. This month is marked by lush landscapes and vibrant greenery, a testament to the rain that contributes to the region’s vitality. For a deeper dive into the year-round climate nuances of this bustling city, visit Ibadan Climate.