September Weather in Aba, Nigeria

Last updated: August 27, 2025

In September, Aba, Nigeria experiences a warm and humid climate, with maximum temperatures reaching up to 32°C (91°F) and an average of 25°C (78°F). The month is characterized by significant rainfall, totaling 429 mm (16.9 in) over 30 days, resulting in a high humidity level of 91%. This combination of heat and frequent precipitation creates a lush environment, typical of the region's rainy season, making September a unique time for both residents and visitors to experience the vibrant character of Aba.

September Temperature in Aba

In Aba, Nigeria, the temperatures in September bring a subtle transition as the region begins to shift from the cooler months. With a minimum temperature of 22°C (72°F) and an average of 25°C (78°F), the month maintains a comfortable warmth, peaking at a maximum of 32°C (91°F). This aligns closely with the trends seen in August, where temperatures were similarly mild and inviting. Notably, as September unfolds, the heat of the earlier months begins to ease slightly, hinting at the approaching dry season. This gentle climate makes September an ideal time for outdoor activities as the humidity remains manageable, creating a pleasant atmosphere for both residents and visitors alike.

September Weather in Aba: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Aba, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Aba, September typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec818382818078777777787981
Data source: Temperature data for Aba generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Aba

September in Aba, Nigeria, is characterized by a dramatic increase in precipitation, with an impressive 429 mm (16.9 in) of rainfall over 30 days, making it the wettest month of the year. This surge marks a peak in the rainy season, following the substantial rains of July and August, which themselves recorded 370 mm (14.6 in) and 286 mm (11.3 in), respectively. The relentless downpours in September set the stage for vibrant, lush landscapes, as the region experiences its highest number of rainy days. This trend highlights the significant moisture that nourishes the local ecosystem, establishing September as a crucial month for both agriculture and biodiversity in the area.

September Precipitation Trends in Aba

The chart displays monthly precipitation patterns in Aba, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Aba, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec335416127328832937028642933320144
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Aba

In September, Aba, Nigeria, experiences a notable peak in humidity, reaching a significant 91%. This increase continues the trend observed throughout the rainy season, where humidity gradually rises from 67% in January to August's 89%. The soaring levels in September highlight the city’s transition into its wettest period, characterized by an oppressive yet familiar dampness that envelops the area. As the year progresses, humidity begins to wane slightly in October to 90%, followed by a more substantial reduction towards the end of the year. This pattern underscores the consistent moisture that shapes Aba’s climate, particularly during the late summer months, creating a hallmark of the region's tropical landscape.

September Average Humidity in Aba

This chart illustrates the average monthly humidity levels in Aba, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Aba is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec67%65%72%78%82%83%84%89%91%90%84%77%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Aba

In September, Aba, Nigeria experiences a UV Index of 12, falling into the extreme exposure category, which means that unprotected skin can burn in just 10 minutes. This level of UV radiation continues the trend established in the preceding months of the year, with February through August consistently showing similar extreme indices of 11 or higher. As we transition into October, the UV Index remains at 12, suggesting that the sunny conditions persist, emphasizing the importance of sun protection during these critical months. With such high UV levels prevalent from February to October, residents and visitors should remain vigilant about sun safety. For more details, visit Aba UV Index.

Maximum UV Index Levels in Aba for September

The chart shows the monthly maximum UV Index (UVI) for Aba in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Aba typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10111114121111111212109
Data source: Aba September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Aba

As September unfolds in Aba, Nigeria, the city experiences a gentle decline in sunshine hours, averaging 215 hours this month. This dip marks a noticeable drop compared to the bustling brightness of March, which boasts the highest sunshine at 269 hours. Following the vibrant summer months, which showcased ample sunshine, September's shorter days hint at the impending transition into the cooler, cloudier months ahead. The trend of decreasing sunlight—falling from 256 hours in April to September's count—signals the shifting seasons, yet the city's warm ambiance remains a constant delight. Even as the sunshine wanes, this period invites a unique charm, blending the last rays of summer with the promise of autumn's cozy embrace.

Monthly Sunshine Duration in Aba: September Highlighted

The September sunshine duration represents the total number of hours Aba experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec248h265h269h256h251h243h229h244h215h221h254h303h
Data source: Aba September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Aba During September

As summer fades into autumn, the likelihood of sunny weather in Aba, Nigeria, takes a noticeable dip. September, with only a 7% chance of sunshine, marks one of the lowest points in the year for bright days. This trend is part of a larger seasonal pattern, where the sunniest months, like January and December, boast probabilities over 40%, while the peak of the rainy season from June through August sees a steady decline in sunshine. With September firmly in the clutches of the wet season, residents can expect more cloud cover and less opportunity for sun-soaked outings, as the sun's presence takes a back seat until the brighter days of fall emerge.

Percentage of Sunny Days in September in Aba

The chart illustrates the percentage of sunny days in Aba throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Aba experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec43%37%21%18%14%15%11%8%7%11%26%41%
Data source: Aba September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Aba in September

Throughout the year in Aba, Nigeria, daylight duration exhibits a rhythmic pattern, peaking in the transition months. In September, the trend continues as the city enjoys a robust 12 hours of daylight, mirroring the previous several months. From March to August, residents bask in this extended sunlight, creating a vibrant atmosphere, while October signals a gradual return to shorter days, dropping back to 11 hours. This annual cycle not only shapes daily activities but also influences the local ecosystem, promoting a rich variety of flora and fauna that thrive under the warm embrace of the sun. As the days grow shorter towards the end of the year, the shift adds a subtle charm to the ambiance, heralding the onset of the cooler months.

Average Daylight Hours in Aba for September

The chart illustrates the variation in daylight duration in Aba throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 51m11h 57m12h 4m12h 12m12h 19m12h 23m12h 21m12h 15m12h 7m11h 59m11h 53m11h 50m
Data source: Aba daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Aba

As September unfurls in Aba, Nigeria, the wind whispers at an average speed of 1.4 m/s (3 mph), reflecting a gentle decline from the earlier months of summer. This month marks a subtle transition where the ebb in wind speed hints at the waning of the warm season. With July and August boasting slightly stronger breezes, September's calming winds evoke a serene atmosphere, encouraging leisurely strolls under a softening sky. Following this trend, the upcoming months show a consistent breeze, remaining steady at 1.4 m/s, which further accentuates the tranquil charm of the region as it gracefully shifts toward the cooler end of the year.

Average September Wind Speed in Aba

The chart displays monthly wind speed patterns in Aba, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.61.71.81.71.51.41.71.61.4 m/s1.41.41.5
Data source: Aba September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Aba Compares to Other Months

Weather in Aba varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Aba, focusing on differences in temperature, rainfall, humidity, and UV levels.

September and January present contrasting weather patterns. In September, temperatures range from a minimum of 22°C (72°F) to a maximum of 32°C (91°F), with an average of 25°C (78°F). The month is characterized by heavy rainfall, totaling 429 mm (16.9 in) over 30 days and high humidity levels at 91%. In contrast, January experiences milder temperatures, with a minimum of 16°C (60°F) and a maximum reaching 37°C (99°F), averaging 27°C (82°F). Precipitation drops significantly to just 33 mm (1.3 in) over 8 days, accompanied by lower humidity levels of 67%. For detailed weather insights, you can visit Aba weather in January.

September and February present significantly different weather patterns. In September, temperatures range from a mild 22°C (72°F) to a maximum of 32°C (91°F), accompanied by high humidity levels of 91% and substantial precipitation averaging 429 mm (16.9 in) over 30 days. In contrast, February is generally warmer, with temperatures varying from 18°C (65°F) in the early mornings to a scorching 38°C (102°F) during the day. February experiences much less rainfall, with only 54 mm (2.1 in) spread over 10 days, and a lower humidity level of 65%. For a more detailed look at the weather in February, check out Aba weather in February.

In September, the weather is characterized by a more humid atmosphere, with an average temperature of 25°C (78°F) and high humidity levels reaching 91%. The month sees considerable rainfall, totaling 429 mm (16.9 inches) over 30 days. In contrast, March experiences warmer conditions, with an average temperature of 28°C (82°F) and maximums soaring up to 37°C (100°F). Precipitation is significantly less during this month, at 161 mm (6.3 inches) over 26 days, and the humidity drops to a more comfortable 72%. For more detailed information, you can explore Aba weather in March.

When comparing the weather in September and April, both months feature a minimum temperature of around 22°C (72°F), indicating a mild start to the day. However, April tends to be warmer overall, with an average temperature of 27°C (81°F) and a maximum reaching 36°C (96°F). In contrast, September has a slightly lower average of 25°C (78°F) and peaks at 32°C (91°F). While September experiences significantly higher precipitation at 429 mm (16.9 in) over 30 days, April's rainfall is notably less at 273 mm (10.8 in) across 25 days. Additionally, humidity levels are higher in September at 91%, compared to April's more comfortable 78%. For a closer look at April's weather specifics, you can visit Aba weather in April.

In comparing the weather between September and May, both months experience warm temperatures, with September averaging around 25°C (78°F) and May slightly warmer at 27°C (80°F). However, May sees higher maximum temperatures, reaching up to 35°C (95°F), while September's maximum is 32°C (91°F). Precipitation is more significant in September, with a total of 429 mm (16.9 in) over 30 days, contrasting with May's 288 mm (11.3 in) over 28 days. Additionally, humidity levels are higher in September at 91%, compared to 82% in May, making September feel more oppressive despite similar minimums of 22°C (72°F) in both months. For more detailed weather information, you can check Aba weather in May.

In September, the weather remains quite warm, with average temperatures ranging from a minimum of 22°C (72°F) to a maximum of 32°C (91°F). The month is marked by significant precipitation, totaling 429 mm (16.9 in) over 30 days, contributing to a high humidity level of 91%. In comparison, June presents slightly cooler temperatures, with an average ranging from 21°C (71°F) to 33°C (91°F). Although June experiences slightly less rainfall at 329 mm (12.9 in) over 28 days, humidity is still high at 83%. For more detailed weather insights, you can visit Aba weather in June.

In comparing the weather of September and July, both months feature similar temperature profiles, with minimums at 22°C (72°F), average temperatures around 25°C (78°F), and maximums reaching 32°C (91°F) in September and 32°C (89°F) in July. However, September experiences slightly more rainfall, totaling 429 mm (16.9 in) across 30 days, compared to July's 370 mm (14.6 in) over 29 days. Additionally, September has a higher humidity level at 91%, while July's humidity is comparatively lower at 84%. For more detailed weather information specific to July, you can check Aba weather in July.

In comparing the weather of September to that of August, both months show similar average temperatures, with September slightly warmer, featuring a minimum of 22°C (72°F) and a maximum of 32°C (91°F) compared to August's range of 21°C (71°F) to 31°C (89°F). However, September stands out with significantly higher precipitation, receiving 429 mm (16.9 in) over 30 days, whereas August experienced only 286 mm (11.3 in) across 27 days. Humidity levels are also higher in September at 91%, compared to August's 89%. For a more detailed overview of August's climate, you can refer to Aba weather in August.

September and October present a gradual transition in weather patterns. In September, temperatures range from a minimum of 22°C (72°F) to a maximum of 32°C (91°F), with an average of 25°C (78°F). The month is marked by high humidity at 91% and significant rainfall, totaling 429 mm (16.9 in) over the 30 days. Conversely, October experiences slightly warmer temperatures, with a minimum of 22°C (72°F), an average of 26°C (79°F), and a maximum of 33°C (92°F). Rainfall decreases to 333 mm (13.1 in) for the month while humidity remains relatively stable at 90%. For a detailed overview of the weather during this time, visit Aba weather in October.

In comparing the weather between September and November, we see some notable differences. September typically features a minimum temperature of 22°C (72°F) and averages around 25°C (78°F), reaching a maximum of 32°C (91°F). However, it also experiences heavy precipitation, with 429 mm (16.9 in) over 30 days and high humidity at 91%. In contrast, November has a slightly warmer average temperature of 26°C (80°F) with highs reaching 34°C (93°F), but it sees significantly less rain at 201 mm (7.9 in) over 26 days, and humidity drops to 84%. For more detailed insights, you can explore Aba weather in November.

In September, the weather is marked by higher humidity and substantial rainfall, with an average temperature of 25°C (78°F) and maximums reaching up to 32°C (91°F). The month sees approximately 429 mm of precipitation over 30 days, resulting in a humid 91% humidity level. In contrast, December presents a warmer atmosphere with a slightly lower minimum temperature of 20°C (68°F) and higher maximums of 36°C (96°F). The rainfall significantly decreases to just 44 mm over 12 days, leading to a more comfortable humidity level of 77%. For more detailed information about December weather, you can visit Aba weather in December.

Compare Aba's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Aba

In September, Aba experiences a notably humid and wet climate, characterized by continuous rainfall throughout the month. While the temperatures remain relatively warm, this month's combination of high humidity and abundant precipitation sets it apart from the drier and less saturated months of the year. Those seeking to understand the unique climatic conditions of Aba should explore more on the Aba Climate page for a deeper insight into how September's weather profoundly influences the region's landscape and lifestyle.