Last updated: August 27, 2025
In September, Port Harcourt, Nigeria experiences a tropical climate characterized by warm temperatures and high humidity levels. The maximum temperature reaches an enjoyable 32°C (89°F), while the average temperature settles around 26°C (79°F), providing a consistently warm atmosphere. However, the city experiences significant rainfall, with a staggering 374 mm (14.7 in) of precipitation over the course of the month, resulting in 30 days of rainfall. The humidity remains high at 91%, contributing to the tropical ambience and lush landscape of this vibrant city.
In September, Port Harcourt experiences a subtle transition in temperatures, maintaining a warm atmosphere typical of the region. The minimum temperature rises slightly to 23°C (73°F), while the average hovers around a comfortable 26°C (79°F). With a maximum reaching 32°C (89°F), September retains the summer warmth, echoing July and August's climate. This month is characterized by a gentle humidity that continues from the rainy season, making it ideal for enjoying lush landscapes that thrive in the wet conditions. Overall, while September carries the lingering warmth of summer, it also hints at the approaching change, as temperatures remain relatively stable and inviting.
In September, Port Harcourt experiences its peak rainfall, with an impressive 374 mm (14.7 in) of precipitation over the course of the entire month. Notably, this month marks the culmination of a wet season characterized by nearly 30 rainy days, reflecting the region's tropical climate. Following the substantial downpours from August, September continues the trend of heavy rainfall—a pattern that starts intensifying from March and reaches its zenith during this time. The consistent precipitation not only sustains the lush greenery that Port Harcourt is known for but also underscores the city's status as one of Nigeria's wettest locales, leading seamlessly into a similarly wet October. As the rainfall begins to taper off in the following months, September stands out as a defining month in the annual precipitation cycle.
As the humid months progress in Port Harcourt, September stands out with an impressive 91% humidity, marking it as the peak of the year. Following a steady incline from 67% in January to a notable 84% in July, the moisture-laden air becomes even more palpable, reaching its zenith just before a slight decline in October. The transition from August's 89% to September's levels reveals a continued trend of rising humidity, which falls in line with the region's rainy season. This consistent increase throughout the summer highlights Port Harcourt’s tropical climate, creating a sticky atmosphere that can be both invigorating and oppressive.
In September, Port Harcourt experiences a UV Index of 12, continuing its trend of extreme exposure established earlier in the year. With a consistent burn time of just 10 minutes, the risks associated with sun exposure remain significant. This month fits well within the pattern observed from February through August, where indices remained predominantly between 11 and 14, emphasizing the need for vigilance against UV radiation. As we transition into October, the UV Index stays steady at 12, highlighting a persistent challenge for sun safety. For more details on the UV Index throughout the year, visit Port Harcourt UV Index.
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As September wraps up summer in Port Harcourt, Nigeria, the city experiences a slight dip in sunshine, with 241 hours of bright days. This decline marks a continuation of the trend begun in June and July, where the city consistently recorded fewer sunny hours, landing last month below the seasonal average. Despite this decrease, the cumulative sunshine hours from January to September still showcase a vibrant year overall, with months like March and April brightening the outlook with total hours exceeding 270. As autumn approaches, September's sunlit hours remind residents of the warm, sunny days that have characterized much of the year, blending warmth with a hint of the changing seasons ahead.
In September, the likelihood of enjoying sunny weather in Port Harcourt, Nigeria drops to a mere 9%, marking it as one of the cloudiest months of the year. This trend starkly contrasts with the more vibrant months of January and February, which feature sunny probabilities of 44% and 37%, respectively. As the year progresses into the middle and later months, there's a noticeable decline in sunshine, reaching a low in August before slightly recovering in October. September serves as a transition into the rainy season, where the overcast skies dominate, making sunny days a rare treat amidst the prevalent humidity and rainfall.
In Port Harcourt, Nigeria, September marks the continuation of a consistent trend in daylight duration, featuring 12 hours of daylight that persists from March through September. This steady period of sunlight highlights the region's relatively stable climate, where the days remain long and bright during most of the year. Following September, daylight tapers to 11 hours in October, ushering in a slight reduction as the year draws to a close. The overall pattern of abundant light from March to September showcases the region's vibrant atmosphere, making it an ideal time for outdoor activities and fostering a sense of connection with nature.
In September, Port Harcourt experiences a gentle breeze with an average wind speed of 1.8 m/s (4 mph), a slight drop from the peak winds of earlier months. This tends to reflect a transition as the city approaches the end of the rainy season, evidenced by a steady decline from the more robust winds of July and August. Interestingly, while September's winds are softer, they still hover around the lower end of the average range seen throughout the year. As the city gears up for October, the overall trend shows a gradual easing of wind speeds, settling into a calm that characterizes the later months of the year. This serene shift invites both residents and visitors to enjoy the outdoor beauty and vibrant life of Port Harcourt.
Weather in Port Harcourt varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Port Harcourt, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, Port Harcourt experiences warm temperatures with a minimum of 23°C (73°F) and an average of 26°C (79°F), peaking at 32°C (89°F). The month is marked by significant rainfall, totaling 374 mm (14.7 in) over 30 days, contributing to a high humidity level of 91%. In contrast, January presents a different climate with a minimum temperature of 18°C (65°F) and an average of 27°C (82°F), reaching up to 36°C (97°F) at times. Rainfall decreases considerably to 43 mm (1.7 in) across just 12 days, accompanied by a lower humidity level of 67%. This stark contrast reflects the transition from the wet season in September to the relatively drier conditions of January. For more details, you can check Port Harcourt weather in January.
In September, the weather is characterized by warm temperatures with a minimum of 23°C (73°F) and an average of 26°C (79°F), reaching highs of 32°C (89°F). However, this month also experiences significant rainfall, with a total precipitation of 374 mm (14.7 in) spread over 30 days, leading to high humidity levels of 91%. In contrast, February offers a slightly warmer minimum temperature of 21°C (70°F) and an average of 28°C (83°F), with a maximum soaring to 37°C (99°F). Unlike September, February sees much less precipitation at 69 mm (2.7 in) over 14 days, along with lower humidity at 65%. For more detailed information on the conditions during this month, check out Port Harcourt weather in February.
In September, the weather in Port Harcourt is characterized by high humidity at 91% and significant rainfall, with an average precipitation of 374 mm over 30 days. The temperatures range from a minimum of 23°C (73°F) to a maximum of 32°C (89°F), creating a warm but often damp environment. In contrast, March sees a slight increase in average temperatures, with highs reaching up to 35°C (95°F) and an average of 28°C (83°F). Notably, March experiences considerably less rainfall, totaling 186 mm over 27 days, and lower humidity at 72%, resulting in a drier and warmer climate. For more details, check out Port Harcourt weather in March.
In comparing the weather of September and April, both months exhibit warm temperatures, with September showing a minimum of 23°C (73°F) and an average of 26°C (79°F), while April sees slightly higher values with a minimum of 23°C (74°F) and an average of 28°C (82°F). The peak temperatures in April can reach up to 34°C (93°F), which is higher than September's maximum of 32°C (89°F). However, September experiences significantly more rainfall, with 374 mm (14.7 in) over 30 days, compared to April's 241 mm (9.5 in) over just 25 days. Furthermore, humidity levels are noticeably higher in September at 91%, compared to April's 78%. For more detailed information about the weather in April, you can check Port Harcourt weather in April.
In September, temperatures in Port Harcourt range from a minimum of 23°C (73°F) to a maximum of 32°C (89°F), with an average of 26°C (79°F). The weather is characterized by significant rainfall, totaling 374 mm (14.7 in) over 30 days, and a high humidity level of 91%. In contrast, May experiences slightly warmer conditions, with temperatures averaging 27°C (81°F) and peaking at 34°C (93°F). Precipitation in May is also lower, at 284 mm (11.2 in) across 28 days, along with a reduced humidity level of 82%. For more detailed weather information, you can visit Port Harcourt weather in May.
In September, the weather in Port Harcourt tends to be quite humid, with an average temperature of 26°C (79°F) and a maximum reaching up to 32°C (89°F). The month experiences significant rainfall, with a total precipitation of 374 mm (14.7 in) over 30 days, making it one of the wettest months of the year. In contrast, June has a similar temperature range, also averaging 26°C (80°F) and peaking at 32°C (91°F), but it experiences slightly less precipitation at 362 mm (14.2 in) over 28 days. Additionally, June has a lower humidity level of 83%, making it feel a bit less oppressive than September. For more detailed information on June weather, you can visit Port Harcourt weather in June.
In comparing the weather of September and July, we notice that both months exhibit similar temperature ranges, with September averaging slightly warmer at 26°C (79°F) compared to July's average of 26°C (78°F). However, September experiences more substantial rainfall, totaling 374 mm (14.7 in) over 30 days, slightly exceeding July's 360 mm (14.2 in) across 29 days. Additionally, the humidity in September is higher at 91%, making it feel muggier than July, which has a lower humidity level of 84%. For more specific insights, you can check out the detailed information on Port Harcourt weather in July.
In comparing the weather between August and September, we see some notable differences. September experiences slightly warmer temperatures, with averages around 26°C (79°F), compared to August's similar average of 26°C (78°F). However, September sees a higher maximum temperature of 32°C (89°F) versus August's 31°C (88°F).
Rainfall is significantly more abundant in September, with precipitation totaling 374 mm (14.7 in) over 30 days, compared to 302 mm (11.9 in) over 28 days in August. The humidity is also marginally higher in September at 91%, compared to 89% in August. For a detailed look at August's weather patterns, you can visit Port Harcourt weather in August.
In comparing the weather between September and October, both months exhibit similar temperature ranges, with minimums around 23°C (73°F), averages of 26°C (79°F), and maximums touching 32°C (89°F in September and 90°F in October). While September experiences slightly higher precipitation at 374 mm (14.7 in) compared to October's 343 mm (13.5 in), the overall humidity remains relatively high and stable, at 91% in September and 90% in October. Thus, while the temperatures are consistent, October offers a marginally drier experience. For more details, check out Port Harcourt weather in October.
In September, the weather is typically warm and humid, with minimum temperatures around 23°C (73°F) and average highs reaching 32°C (89°F). The month experiences significant rainfall, totaling 374 mm (14.7 in) over 30 days, resulting in a high humidity level of 91%. In contrast, November offers slightly elevated temperatures, with an average of 27°C (81°F) and maximum highs of 33°C (92°F). However, it experiences much less rainfall, accumulating only 199 mm (7.8 in) across 28 days and a noticeable decrease in humidity to 84%. For more detailed weather information, you can check the Port Harcourt weather in November.
In September, the weather is characterized by higher humidity and significant rainfall, with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 32°C (89°F) and an average of 26°C (79°F). The month experiences considerable precipitation of 374 mm (14.7 in) spread over 30 days, leading to a humid environment with a humidity level of 91%.
In contrast, December brings a slight decrease in humidity to 77% and a notable reduction in rainfall, with only 52 mm (2.1 in) over 16 days. The temperatures in December range from a minimum of 21°C (70°F) to a maximum of 34°C (94°F), with an average of 27°C (81°F). This shift results in generally drier and more comfortable conditions compared to September. For further details, you can check Port Harcourt weather in December.
As September unfolds in Port Harcourt, the weather presents a distinct contrast to the drier months preceding it. With average temperatures hovering around 26°C (79°F), this month is marked by a high humidity level of 91%, creating a sultry atmosphere. The city experiences a substantial rainfall of 374 mm (14.7 in) over 30 days, making it the wettest month of the year. This significant precipitation not only refreshes the lush environment but also contributes to a vibrant landscape that showcases Port Harcourt's natural beauty. For more insights on how seasonal changes impact the region's climate, explore Port Harcourt Climate.