Last updated: August 27, 2025
September weather on Lagos Island, Nigeria is characterized by a tropical climate, with peak temperatures reaching a comfortable 29°C (85°F) and an average of 26°C (79°F). Nights bring a mild respite with lows around 23°C (74°F). This month is marked by significant rainfall, with a total of 218 mm (8.6 in) spread over 28 days, resulting in high humidity levels of 91%. The vibrant atmosphere, bolstered by lush greenery from the frequent showers, makes September a lively yet humid month on the island.
September on Lagos Island presents a subtle shift in temperatures as the city transitions toward the end of the wet season. With minimum temperatures gently resting at 23°C (74°F) and maximums peaking at 29°C (85°F), there's a slight reprieve from the more oppressive summer heat. The average temperature hovers around 26°C (79°F), reflecting a cooler, more comfortable climate compared to the sweltering months of July and August. As rains begin to taper off, residents and visitors can enjoy milder days and refreshing evenings, making September an excellent time to explore the vibrant culture and stunning landscapes of this dynamic metropolis.
In September, Lagos Island experiences a notable increase in precipitation, continuing the trend of the rainy season. With 218 mm (8.6 in) of rain measured over 28 days, the month stands out as a key player in the region's wettest season. This follows the dense rainfall of August, hinting at a transitional phase where heavy showers become slightly less frequent yet still substantial. The steady precipitation from June to September, which peaks in June, showcases the region's vulnerability to tropical downpours, while also reflecting the importance of this month for replenishing local water supplies and supporting agriculture. As October approaches, the rainfall remains significant, indicating that the rainy season continues to hold sway on the island.
September marks a peak in humidity levels on Lagos Island, Nigeria, reaching an impressive 91%. This month continues the trend of rising moisture that begins in the earlier months, with figures steadily climbing from 37% in January to 90% by August. The progression highlights the shift from the drier early months to the intensely humid late summer, culminating in September. As the year winds down, humidity gradually tapers off, signaling the onset of a more comfortable atmosphere in the following months of October and November. This seasonal rhythm not only defines the climate but also influences the lifestyle of residents, making September a notably sultry time on the island.
In September, Lagos Island experiences an UV Index of 12, placing it in the extreme exposure category with a burn time of just 10 minutes. This marks a continuation of the high UV levels observed throughout the summer months, with values consistently peaking between 11 and 13 from March through September. As the region transitions into the latter part of the year, the UV Index begins to taper off, but September's readings suggest that protective measures against sun exposure remain crucial. Whether lounging on the beach or exploring the vibrant city, residents and visitors should stay informed on sun safety by checking resources like Lagos Island UV Index.
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As September rolls in on Lagos Island, it brings with it 284 hours of sunshine, marking a slight dip from the vibrant summer months of August and May, which boast one of the highest sunshine totals at 309 and 320 hours, respectively. Despite this decrease, September's sunshine still outshines the slightly cloudier months preceding it, like June with its 285 hours and January with its 260 hours. The trend reveals a pattern of consistent brightness throughout the year, peaking in the spring and summer before settling into a manageable warmth as the year transitions into autumn. This makes September a lovely time for outdoor activities, even if the sun takes a brief pause compared to its summer highs.
In September, Lagos Island experiences a notable decline in the likelihood of sunny weather, with only a 14% chance of sunshine. This trend follows a steady decrease throughout the rainy season, starting from 20% in July and plummeting to its lowest point in August at just 10%. As the dry season approaches, the chance of sun begins to recover mildly in October, rising to 26%. This suggests that while September is not the most favorable month for sun-seekers, the weather begins to shift as the year progresses, offering a glimmer of hope for brighter days ahead.
In Lagos Island, Nigeria, September marks a continuation of the consistently abundant 12 hours of daylight that has characterized the months from March through August. This stable daylight duration during the heart of the wet season creates a vibrant atmosphere, perfect for outdoor activities and exploration. As the year transitions into October, daylight begins to taper off, returning to an 11-hour cycle, reminiscent of the earlier months in the year. This seasonal rhythm highlights the unique climatic patterns of the region, where longer days foster energy and growth before the gradual shift into shorter daylight hours as the year winds down.
As September rolls in on Lagos Island, the winds tend to take a gentle turn, with an average speed of 2.8 m/s (6 mph). This marks a notable drop compared to the bustling breezes of July, which reach an energetic 4.0 m/s (9 mph), suggesting a shift towards a more tranquil atmosphere. Following the peak summer winds, September’s light breeze can evoke a sense of calm, perfect for leisurely strolls along the vibrant coastline. Interestingly, this slower pace continues into October and November, maintaining a cozy, serene vibe as the year's end approaches. Overall, September reflects the gradual transition from the invigorating summer winds to the softer, more subdued breezes of the latter months, inviting residents and visitors alike to savor the slower pace of island life.
Weather in Lagos Island varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Lagos Island, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present contrasting weather patterns in Lagos. In September, the temperatures range from a minimum of 23°C (74°F) to a maximum of 29°C (85°F), with an average of 26°C (79°F). This month experiences significant rainfall, with 218 mm (8.6 in) spread over 28 days and a high humidity level of 91%. In stark contrast, January boasts warmer temperatures, with a minimum of 22°C (71°F) and a maximum reaching 32°C (91°F), averaging 28°C (82°F). Additionally, January is much drier, with only 24 mm (1.0 in) of rain over just 7 days and a humidity level of 37%. For more detailed information about January weather in this region, visit Lagos Island weather in January.
September and February offer contrasting weather conditions. In September, temperatures range from a minimum of 23°C (74°F) to a maximum of 29°C (85°F), with an average of 26°C (79°F). This month is characterized by high humidity at 91% and significant precipitation totaling 218 mm (8.6 in) over 28 days. In contrast, February presents warmer temperatures, with a minimum of 22°C (72°F) and a maximum reaching 33°C (92°F), and an average of 28°C (83°F). Precipitation drops to 58 mm (2.3 in) over 15 days, and humidity levels decrease to 44%. The stark difference in humidity and rainfall makes February a more stable and drier month compared to the wet, humid conditions of September. For more details, check out Lagos Island weather in February.
In September, the weather is characterized by warm temperatures ranging from a minimum of 23°C (74°F) to a maximum of 29°C (85°F), with an average of 26°C (79°F). This month sees significant rainfall, with 218 mm (8.6 in) of precipitation occurring over 28 days and high humidity levels at 91%. In contrast, March tends to be slightly warmer, with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 32°C (90°F), averaging 28°C (83°F). Precipitation in March is considerably lower at 107 mm (4.2 in) distributed over 23 days, and humidity drops to a more comfortable 61%. For more detailed insights about the weather in March, check out Lagos Island weather in March.
When comparing the weather in September and April, September tends to be slightly cooler with average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 29°C (85°F), whereas April is warmer, featuring average temperatures from 24°C (76°F) to a high of 32°C (89°F). In terms of precipitation, September experiences significantly more rainfall at 218 mm (8.6 in) over 28 days, compared to April's 100 mm (3.9 in) over 21 days. Additionally, the humidity is higher in September at 91%, while April has a more comfortable humidity level of 72%. For more detailed weather insights, you can visit Lagos Island weather in April.
In comparing the weather of September and May, we see both similarities and differences. September tends to be slightly cooler, with average temperatures ranging from a minimum of 23°C (74°F) to a maximum of 29°C (85°F), while May features warmer averages, with temperatures ranging from 24°C (76°F) to as high as 32°C (89°F). Precipitation levels are higher in September, totaling 218 mm (8.6 in) over 28 days, compared to May’s 179 mm (7.1 in) across 26 days. Additionally, September exhibits higher humidity at 91%, while May's humidity is somewhat lower at 82%. For more detailed information on May weather, you can check Lagos Island weather in May.
When comparing the weather in September and June, both months exhibit warm temperatures, with September averaging 26°C (79°F) and June slightly higher at 27°C (80°F). Both months share a similar minimum temperature of around 23°C (74°F) to 23°C (73°F). However, June tends to have more precipitation, with 304 mm (12.0 in) falling over 27 days, compared to September, which sees 218 mm (8.6 in) over 28 days. Humidity levels are also slightly higher in September at 91%, compared to June's 86%. For more detailed information about the weather in June, you can check this link: Lagos Island weather in June.
When comparing the weather in July and September, both months exhibit similar average temperatures, with a minimum of around 23-24°C (74-75°F) and a maximum reaching up to 29°C (84-85°F). However, September experiences slightly higher humidity at 91%, compared to July's 87%. In terms of precipitation, July is notably wetter, receiving 258 mm (10.1 in) over 29 days, while September sees a decrease to 218 mm (8.6 in) over 28 days. For a more detailed look at July's weather patterns, you can visit Lagos Island weather in July.
In comparing the weather of September and August, September tends to be slightly wetter and more humid. While both months share similar minimum and maximum temperatures, September's average temperature is marginally higher at 26°C (79°F) compared to August's 25°C (78°F). Additionally, September experiences increased precipitation, with 218 mm (8.6 in) over 28 days, while August sees 178 mm (7.0 in) over 24 days. The humidity is also slightly elevated in September at 91%, compared to 90% in August. For more details on August weather specifically, you can check Lagos Island weather in August.
In September, the weather typically features a minimum temperature of 23°C (74°F) and an average of 26°C (79°F), with maximums reaching 29°C (85°F). This month experiences significant rainfall, with a total precipitation of 218 mm (8.6 in) spread over 28 days and high humidity levels of 91%. In contrast, October sees a slight increase in temperature with a minimum of 24°C (75°F) and an average of 27°C (80°F), peaking at 30°C (87°F). However, precipitation also rises to 240 mm (9.5 in), still over 28 days, contributing to a humidity level of 90%. Overall, while both months are characterized by warm temperatures and high humidity, October brings slightly warmer temperatures and more rainfall. For more detailed weather patterns, you can check out the Lagos Island weather in October.
September and November exhibit noticeable differences in weather patterns. In September, temperatures range from a minimum of 23°C (74°F) to a maximum of 29°C (85°F), with an average of 26°C (79°F). The month is characterized by high humidity at 91% and significant rainfall, accumulating 218 mm (8.6 in) over 28 days. In contrast, November sees slightly warmer temperatures, with a minimum of 24°C (76°F) and a maximum of 31°C (88°F), averaging 28°C (82°F). Precipitation drops significantly to 95 mm (3.7 in) over just 24 days, and humidity decreases to 82%. For more detailed information about the weather in November, you can visit Lagos Island 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), reaching a maximum of 29°C (85°F). This month also sees substantial rainfall, recording 218 mm (8.6 in) over 28 days, resulting in high humidity levels at 91%. In contrast, December experiences slightly warmer temperatures, with minimums at 23°C (75°F), an average of 28°C (82°F), and maximums peaking at 32°C (90°F). Notably, precipitation drops significantly to 36 mm (1.4 in) across just 12 days, leading to a much lower humidity of 63%. For more detailed information, check out the weather specifics Lagos Island weather in December.
As September rolls in, Lagos Island experiences a notable shift in weather patterns compared to other months. With a high humidity level reaching 91%, the air feels heavier, making the warm temperatures of around 26°C feel even more intense. Rain is a frequent companion, with precipitation gracing the island on nearly every day of the month, leading to a total of 218 mm of rain. This contrasts sharply with the drier months, bringing a lush vibrancy to the urban landscape. For those looking to explore the island’s weather dynamics further, insights can be found at Lagos Island Climate.