Last updated: August 27, 2025
September in Owerri, Nigeria, brings a tropical ambiance characterized by warm temperatures and high humidity. With a maximum temperature peaking at 34°C (94°F) and an average of around 25°C (78°F), locals experience a blend of heat and mildness, frequently complemented by cooler evenings. The minimum temperature hovers at 22°C (71°F). Rainfall is a prominent feature, with precipitation accumulating to 370 mm (14.6 in) over the month, spanning 29 rainy days. The humidity level remains elevated at an impressive 91%, creating a lush environment but making the air feel muggy. Overall, September's weather in Owerri combines the intensity of the rainy season with a warm, humid climate, typical of this vibrant region.
In September, temperatures in Owerri, Nigeria begin to show comforting consistency as the rainy season transitions towards its end. The average temperature hovers at a mild 25°C (78°F), with minimums rarely dropping below 22°C (71°F) and maximums reaching around 34°C (94°F). This trend reflects a slight warming in comparison to the preceding months, contributing to a more humid atmosphere. The temperatures remain relatively moderate, making September a pleasant time for outdoor activities while enjoying the lush greenery brought about by the rains. Overall, the month strikes a delightful balance between warmth and comfort, inviting residents and visitors alike to experience the vibrant essence of Owerri.
September marks a peak in precipitation for Owerri, Nigeria, as the region experiences 370 mm (14.6 in) of rain over an impressive 29 days. This surge is a continuation of the wet season, reflecting a noticeable trend where rainfall steadily increases from the early months of the year, culminating in September's heavy downpour. The preceding months, particularly May and June, set the stage with substantial totals of 248 mm (9.8 in) and 304 mm (12.0 in), respectively. However, September surpasses them all, underscoring the intense moisture that characterizes this period. The substantial rainfall not only nourishes the lush greenery that Owerri is known for but also indicates a critical phase in the local climate, preparing the region for a gradual transition into the drier months ahead.
In Owerri, Nigeria, September marks a peak in humidity, reaching an impressive 91%. This rise is a continuation of the trend observed through the wet months, with each preceding month leading up to September's heightened levels. Starting with a more moderate 67% in January, the humidity escalates gradually, with noticeable increases especially from April onward. As the region transitions from the drier early months into the lush greenery of the rainy season, the humidity swells to its climax in September, before beginning its descent in October. This pattern underscores the tropical climate's characteristic high moisture, heavily influencing the atmosphere and lifestyle in Owerri.
In September, Owerri experiences a UV Index of 12, categorizing it as extreme with a burn time of just 10 minutes. This trend continues the pattern established over the previous months, reflecting a sustained level of sun intensity that requires precaution. From January through September, the UV levels hover in the extreme category, with only slight fluctuations, indicating that effective sun protection is crucial during this time. As you enjoy the vibrant locale of Owerri, remember to stay shielded from the sun's powerful rays. For more detailed information, you can visit Owerri UV Index.
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September in Owerri, Nigeria, marks a transition into the heart of the rainy season, where sunshine hours dip to 235 hours. This decrease follows a summer peak, with August averaging 258 hours of radiant sunlight. Notably, as we move from the vibrant months of February to April, sunshine hours tend to rise, peaking in March at 279 hours. However, the waning days of the dry season give way to increasingly overcast skies, with a gradual decline evident as the year progresses into the wet months. Despite the diminished sunlight, the warmth of September provides a cozy embrace before the year edges toward its sunniest climax in December, where Owerri basks in an impressive 305 hours of sunshine.
In Owerri, Nigeria, the likelihood of sunny weather takes a noticeable dip as September rolls in, with only an 8% chance of sunshine. This trend marks a gradual decline from the peak sunny months of December and January at 45%, showcasing how the rainy season casts its shadow over late summer. Throughout the year, weather patterns reveal a stark contrast; while the early months promise brighter skies, by September, the sun is often obscured, leaving a sense of anticipation for the more favorable conditions that return later in the year. The transition into autumn reflects a cooling atmosphere where cloud cover becomes increasingly prevalent, signifying the shift from vibrant summer days to a more subdued weather landscape.
In Owerri, Nigeria, the month of September continues the pleasant trend of consistent daylight, offering about 12 hours of sunlight each day. This duration remains stable, reflecting the region's transition from the longer days of the rainy season in August to the shorter days that will emerge in October. The pattern of daylight duration throughout the year shows a fascinating rhythm: from January to February, daylight remains at 11 hours before gradually increasing in March and peaking at 12 hours from March through September. As the year draws to a close, daylight tapers back to 11 hours in October and continues at that duration through December. This predictable cycle of sunlight not only shapes daily life in Owerri, but also enhances the vibrant atmosphere of the city, making each evening a chance to embrace the beautiful twilight that follows the day's warmth.
As September unfolds in Owerri, Nigeria, the average wind speed gently dips to 1.4 m/s (3 mph), reflecting a calm transition into the heart of the rainy season. This marks a continuation of the subtle downward trend observed since the peak winds of April. In the preceding months, wind speeds have shown variations, with April boasting the highest average at 1.8 m/s (4 mph) before gradually tapering off. The consistent whisper of the September wind creates a serene atmosphere as the city prepares for October's even calmer breezes, reminding us of the cyclical nature of the seasons and the gentle shifts that define life in Owerri.
Weather in Owerri varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Owerri, focusing on differences in temperature, rainfall, humidity, and UV levels.
September weather is characterized by high humidity levels at 91% and significant rainfall, with an average precipitation of 370 mm over 29 days, making it one of the wettest months. Temperatures range from a minimum of 22°C (71°F) to a maximum of 34°C (94°F), creating a warm and muggy atmosphere. In contrast, January experiences lower humidity at 67% and minimal rainfall, only 18 mm over 4 days, resulting in a dryer climate. The temperatures in January are generally warmer on average, ranging from a minimum of 14°C (57°F) to a maximum of 38°C (101°F). For a detailed look at what to expect, check Owerri weather in January.
September and February showcase contrasting weather patterns. In September, the average temperature hovers around 25°C (78°F), with highs reaching up to 34°C (94°F), while the humidity remains high at 91%. This month is also characterized by significant rainfall, with 370 mm (14.6 in) of precipitation spread over 29 days, making it quite wet. In stark contrast, February experiences a warmer average temperature of 29°C (84°F), with maximums soaring up to 41°C (107°F). Precipitation drops dramatically to just 41 mm (1.6 in) over 7 days, resulting in a much drier atmosphere and lower humidity at 65%. For a more detailed look, you can check Owerri weather in February.
In comparing the weather of September and March, we notice distinct differences in temperature and humidity. September presents a tropical climate with a minimum temperature of 22°C (71°F) and an average of 25°C (78°F), peaking at a maximum of 34°C (94°F). During this month, rainfall is significant, with 370 mm (14.6 in) spread over 29 days, resulting in high humidity at 91%. In contrast, March sees slightly cooler minimum temperatures at 21°C (71°F) but boasts a higher average temperature of 28°C (83°F) and can reach a scorching maximum of 39°C (103°F). Rainfall drops considerably to 132 mm (5.2 in) over just 21 days, contributing to a lower humidity level of 72%. For more details, check Owerri weather in March.
In comparing the weather of September and April, we see distinct differences. September features a milder average temperature of 25°C (78°F), with highs reaching up to 34°C (94°F), but it's also characterized by heavy rainfall totaling 370 mm (14.6 in) across 29 rainy days and high humidity at 91%. In contrast, April tends to be warmer with an average temperature of 27°C (82°F) and maximum temperatures soaring to 38°C (101°F), while experiencing significantly less precipitation of 196 mm (7.7 in) over 22 days, accompanied by lower humidity levels at 78%. For more detailed information on April weather, check out Owerri weather in April.
September and May exhibit distinct weather patterns, with September generally characterized by slightly cooler average temperatures but higher humidity and precipitation. In September, temperatures range from a minimum of 22°C (71°F) to a maximum of 34°C (94°F), accompanied by significant rainfall of 370 mm (14.6 in) over 29 days, leading to a humidity level of 91%. In contrast, May experiences warmer conditions with an average temperature of 27°C (80°F), peaking at 36°C (97°F), and a total precipitation of 248 mm (9.8 in) across 26 days, resulting in a more comfortable humidity level of 82%. For a closer look at what to expect, you can check Owerri weather in May.
Both September and June exhibit warm temperatures, with September seeing an average of 25°C (78°F) compared to June's average of 26°C (79°F). The maximum temperatures in both months peak at 34°C (94°F), ensuring that warm days are a common feature. However, September is characterized by notably heavier rainfall, with a substantial 370 mm (14.6 in) of precipitation across 29 days, compared to June’s 304 mm (12.0 in) over 27 days. Additionally, September experiences higher humidity at 91%, while June has a more moderate humidity level of 83%. For more specific details on June weather, you can visit Owerri weather in June.
In comparing the weather of September and July, both months experience similar minimum and average temperatures, hovering around 22°C (71°F) and 25°C (78°F). However, September tends to be hotter on average, with a maximum temperature reaching 34°C (94°F) compared to July's peak of 32°C (91°F). Additionally, September is characterized by significantly higher precipitation levels, with 370 mm (14.6 in) falling over 29 days, while July sees 303 mm (11.9 in) over 27 days. The humidity also rises in September to 91%, compared to July's 84%, making it feel noticeably more humid during the former month. For more detailed insights on July weather, you can visit Owerri weather in July.
In comparing the weather between August and September, we can see that September maintains a slightly higher temperature range, with a minimum of 22°C and a maximum of 34°C, compared to August's 21°C minimum and 33°C maximum. Both months average the same temperature of 25°C (78°F); however, September experiences significantly more rainfall, with 370 mm of precipitation over 29 days, while August records 256 mm over 25 days. Additionally, humidity rises slightly in September to 91%, up from August's 89%. For those interested in more details about August's weather, you can find additional information here: Owerri weather in August.
In September, the weather features average temperatures ranging from a minimum of 22°C (71°F) to a maximum of 34°C (94°F), with an average of 25°C (78°F). The month is characterized by significant rainfall, totaling 370 mm (14.6 in) over 29 days and high humidity levels of 91%. In contrast, October maintains a similar temperature range, with a minimum of 22°C (71°F), an average of 26°C (79°F), and a maximum of 34°C (94°F). However, the precipitation decreases to 292 mm (11.5 in) while still occurring over the same number of days, and humidity slightly drops to 90%. Overall, October experiences slightly warmer average temperatures and less rain compared to September. For more detailed information, visit Owerri weather in October.
September and November offer distinct weather patterns in terms of temperature, precipitation, and humidity. In September, temperatures are slightly lower, with a minimum of 22°C (71°F) and an average of 25°C (78°F), peaking at 34°C (94°F). However, it experiences significantly higher rainfall, totaling 370 mm (14.6 in) over 29 days, accompanied by very high humidity at 91%. In contrast, November features a similar temperature range, with a minimum of 21°C (70°F) and an average of 26°C (80°F), but it reaches a slightly higher maximum of 35°C (95°F). The month is much drier, with only 122 mm (4.8 in) of precipitation over 21 days and a lower humidity level of 84%. For a closer look, you can check Owerri weather in November.
In September, the weather is characterized by higher humidity and significant rainfall, with temperatures ranging from a minimum of 22°C (71°F) to a maximum of 34°C (94°F) and an average of 25°C (78°F). Precipitation is heavy, totaling 370 mm (14.6 in) over 29 days, leading to a very damp environment with 91% humidity. In contrast, December experiences a drier climate, with considerably less precipitation at just 21 mm (0.8 in) over 6 days. The temperatures also shift slightly, with a minimum of 18°C (65°F), an average of 27°C (81°F), and a maximum reaching 36°C (97°F), all while maintaining a lower humidity of 77%. For more detailed information, you can refer to Owerri weather in December.
In September, Owerri experiences a unique blend of high humidity and significant precipitation, setting it apart from other months. With an average temperature around 25°C (78°F), the weather is notably warmer, though the frequent rain—spanning nearly the entire month—creates a refreshing contrast to the heat. The 29 days of rainfall contribute to a lush landscape, making September a vibrant and dynamic time in Owerri. For more insights into the climate of this region, explore Owerri Climate.