September Weather in Lome, Togo

Last updated: August 31, 2025

September in Lomé, Togo is characterized by warm temperatures, averaging around 26°C (79°F), with daily highs reaching a maximum of 30°C (86°F) and lows dipping to 23°C (73°F). This month sees significant rainfall, accumulating up to 148 mm (5.8 in) over 25 days, resulting in a notably humid atmosphere with levels around 91%. Visitors can expect a lush, vibrant environment shaped by this tropical climate, perfect for experiencing the region's rich culture and natural beauty.

September Temperature in Lome

In September, Lome, Togo, experiences a subtle transition as temperatures remain comfortably warm with a minimum of 23°C (73°F) and an average of 26°C (79°F). This marks a slight increase from the cooler August, yet it retains a pleasant maximum of 30°C (86°F). The gradual warming trend reflects the tail end of the rainy season, where humidity can still linger but is often accompanied by refreshing breezes. As the month progresses, residents and visitors alike can enjoy the dynamic, tropical climate that Togo is known for, making it an ideal time for outdoor explorations and cultural experiences.

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

The chart illustrates September temperature patterns in Lome, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lome, 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).
JanFebMarAprMayJunJulAugSepOctNovDec828484838280787879808282
Data source: Temperature data for Lome generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Lome

In September, Lome, Togo experiences a notable spike in precipitation, receiving an average of 148 mm (5.8 in) of rainfall over approximately 25 days. This marks a transition period from the wetter months of June and July, which showcase peak rainfall, to a gradual decline in October. The consistent rainfall throughout September signifies a continuation of the rainy season, contributing significantly to the total annual precipitation. As the landscape bursts into lush greenery, the heightened humidity and frequent showers create an atmosphere rich in vitality, setting the stage for the vibrant beauty that characterizes Togo's environment during this time.

September Precipitation Trends in Lome

The chart displays monthly precipitation patterns in Lome, 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 Lome, September typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec134057741281911151001482177636
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Lome

In Lomé, Togo, the humidity levels follow a distinct trend as the year progresses, with September standing out at a notable 91%. This peak represents the culmination of a gradual increase that begins in the cooler months of January and February, when humidity hovers around 36% to 45%. As the season shifts, the air becomes increasingly saturated, particularly from April onward, when humidity surges to 75% and further escalates through the summer months. By the time September arrives, the air feels densely humid, creating a tropical climate that persists into October, which sees a slight decline to 89%. Overall, the progression of humidity in Lomé exemplifies the region's transition from drier to richly humid conditions, providing a vivid illustration of its tropical coastal environment.

September Average Humidity in Lome

This chart illustrates the average monthly humidity levels in Lome, 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 Lome is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec36%45%60%75%83%86%87%90%91%89%82%68%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Lome

As September unfolds in Lome, Togo, the UV Index reaches 13, categorizing it as extreme and maintaining the trend of dangerously high exposure seen throughout the year. This increase marks a slight rise from August’s UV Index of 12, contributing to a consistent pattern where the UV Index hovers between 12 and 14 during the hotter months. Despite this only being a minimal uptick, it remains critical for residents and visitors alike to heed sun safety precautions since the burn time stays at just 10 minutes. As the year transitions into autumn, the UV levels begin to gradually decline, but September still demands vigilance. For more detailed information on UV conditions specific to this region, visit Lome UV Index.

Maximum UV Index Levels in Lome for September

The chart shows the monthly maximum UV Index (UVI) for Lome 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 Lome typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11111214121212121312109
Data source: Lome 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 Lome

As September arrives in Lomé, Togo, the city continues to bask in the warmth of abundant sunshine, recording approximately 262 hours of brilliant daylight. This month transitions smoothly from the vibrant days of summer, where July and August boast 275 and 287 hours, respectively, towards the slightly sunnier allure of October, expected at 289 hours. Notably, September sets the stage for a remarkable end to the year, as daylight hours show a gentle fluctuation, peaking in late months like November and December. Overall, Lomé's month of September is a delightful balance of sunshine, still rich enough for beach days and outdoor adventures, while hinting at the gradual approach to the refreshed daylight of autumn.

Monthly Sunshine Duration in Lome: September Highlighted

The September sunshine duration represents the total number of hours Lome 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.
JanFebMarAprMayJunJulAugSepOctNovDec259h283h313h304h298h259h275h287h262h289h306h319h
Data source: Lome September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Lome During September

In Lomé, Togo, September offers a modest 20% chance of sunshine, reflecting a dip in sunny days as the rainy season peaks. This trend of diminishing sunlight continues from the preceding months of August (17%) and July (27%), showcasing how the region transitions into its wetter season. After this period of limited sunlight, the likelihood of sunny weather gradually improves in October (31%) and onwards, suggesting that while September may feel quite gloomy, hope for brighter days is just around the corner.

Percentage of Sunny Days in September in Lome

The chart illustrates the percentage of sunny days in Lome 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 Lome experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec55%52%35%38%36%23%27%17%20%31%49%53%
Data source: Lome September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Lome in September

In Lome, Togo, September marks a continuation of the stable daylight duration characteristic of the region. With an impressive 12 hours of daylight, it follows a trend established from March through August. This consistency reflects the tropical climate, where the variation in day length is minimal throughout the year. As the months transition to October, daylight begins to shrink back to 11 hours, signaling the shift towards shorter days typically seen in the latter part of the year. Overall, September provides a vibrant balance of light, enhancing the beauty and vibrancy of life in this coastal city.

Average Daylight Hours in Lome for September

The chart illustrates the variation in daylight duration in Lome throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 47m11h 54m12h 4m12h 14m12h 23m12h 27m12h 25m12h 17m12h 7m11h 57m11h 49m11h 45m
Data source: Lome daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Lome

As September unfolds in Lomé, Togo, the winds shift to a gentler rhythm, with an average speed of 3.0 m/s (7 mph). This marks a notable dip compared to the previous months, particularly from July, when the breeze picked up to 4.0 m/s (9 mph), showcasing the peak of wind activity during the mid-year. As the rainy season wanes and gives way to more stable weather patterns, September's calming winds create a serene atmosphere, setting the stage for the transition into the cooler months ahead. Following this pattern, the wind speeds continue to decrease gradually, hinting at the approaching quietude of late autumn.

Average September Wind Speed in Lome

The chart displays monthly wind speed patterns in Lome, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.33.43.83.53.52.94.03.73.0 m/s2.82.72.7
Data source: Lome September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Lome Compares to Other Months

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

In comparing the weather between September and January, we see notable differences in temperature and precipitation. September experiences a minimum temperature of 23°C (73°F) and an average of 26°C (79°F), with maximums reaching up to 30°C (86°F). This month is characterized by high humidity at 91% and significant rainfall, averaging 148 mm (5.8 in) over 25 days. In contrast, January features slightly lower minimum temperatures at 21°C (70°F) and a higher average of 28°C (82°F), with maximums climbing to 33°C (91°F). The month enjoys much drier conditions, with only 13 mm (0.5 in) of precipitation over just 4 days and a considerably lower humidity of 36%. For more details, check out Lome weather in January.

September and February present contrasting weather conditions. In September, temperatures range from a minimum of 23°C (73°F) to a maximum of 30°C (86°F), with an average of 26°C (79°F). The month is characterized by high humidity at 91% and substantial rainfall, totaling 148 mm (5.8 in) over 25 days. In contrast, February experiences warmer temperatures, with a minimum of 22°C (72°F), an average of 29°C (84°F), and a maximum of 34°C (93°F). February also boasts significantly lower precipitation, with only 40 mm (1.6 in) spread across 12 days and a much drier humidity level of 45%. For more details on the February weather, check out Lome weather in February.

In September, the weather tends to be warm and humid, with an average temperature of 26°C (79°F), peaking at 30°C (86°F) and accompanied by significant rainfall of 148 mm (5.8 in) over 25 days. The high humidity of 91% creates a noticeable mugginess throughout the month. In contrast, March experiences slightly higher temperatures, averaging 29°C (84°F) and reaching up to 34°C (93°F), while rainfall is significantly lower at 57 mm (2.2 in) over just 15 days. The humidity also drops to 60%, making March feel less oppressive than September. For more detailed information, you can check Lome weather in March.

In comparing the weather between September and April, we find notable differences in both temperature and precipitation. September generally experiences milder temperatures with a minimum of 23°C (73°F), an average of 26°C (79°F), and a maximum of 30°C (86°F). In contrast, April tends to be warmer, featuring a minimum of 24°C (75°F), an average high of 28°C (84°F), and peaks reaching 33°C (93°F). Additionally, September is characterized by higher humidity at 91% and significantly more rainfall, totaling 148 mm (5.8 in) over 25 days. On the other hand, April has lower precipitation, with 74 mm (2.9 in) spread across 16 days and a reduced humidity of 75%. For a more detailed look at April’s climate, you can check Lome weather in April.

In comparing the weather patterns of September and May, both months exhibit warm temperatures, with May typically slightly warmer on average. September's average temperature rests at 26°C (79°F) with a maximum of 30°C (86°F), while May's temperatures range from a minimum of 24°C (75°F) to a maximum of 33°C (91°F). Precipitation is more prominent in September, with 148 mm (5.8 in) reported over 25 days, compared to May's 128 mm (5.0 in) over 22 days. Additionally, September experiences higher humidity at 91%, while May has a lower humidity level of 83%. For a closer look at the weather in May, you can check Lome weather in May.

In comparing the weather between September and June, both months experience similar minimum temperatures, hovering around 23°C (73°F). However, June tends to be slightly warmer on average, with temperatures reaching up to 27°C (81°F) compared to September's average of 26°C (79°F). While the maximum temperature in June can rise to 31°C (89°F), September remains a bit cooler at 30°C (86°F). Additionally, June sees higher overall precipitation, with 191 mm (7.5 in) compared to September's 148 mm (5.8 in), despite both months having rainfall on approximately 25 days. Humidity levels are also slightly higher in September at 91%, compared to 86% in June. For a detailed look at June weather, you can visit Lome weather in June.

When comparing the weather of September to that of July, both months exhibit similar temperature patterns, with minimum, average, and maximum temperatures consistently around 23°C (73°F), 26°C (79°F), and 30°C (86°F) respectively. However, September sees increased precipitation, totaling 148 mm (5.8 in) over 25 days, compared to July's 115 mm (4.5 in) over 22 days. This results in higher humidity levels in September at 91%, while July maintains a slightly lower humidity of 87%. For a more detailed look at July weather specifics, you can check Lome weather in July.

In comparing the weather of September to that of August, September tends to be slightly warmer, with minimum temperatures reaching 23°C (73°F) and maximum temperatures peaking at 30°C (86°F), while August records a minimum of 22°C (71°F) and a maximum of 29°C (85°F). Additionally, September experiences significantly more rainfall, with 148 mm (5.8 in) spread over 25 days, compared to August's 100 mm (4.0 in) over 17 days. Humidity remains consistently high in both months, with September at 91% and August at 90%. For more detailed weather information, you can refer to Lome weather in August.

In September, temperatures typically range from a minimum of 23°C (73°F) to a maximum of 30°C (86°F), with an average temperature of 26°C (79°F). The month experiences considerable rainfall, totaling 148 mm (5.8 inches) over 25 days, along with high humidity levels at 91%. In comparison, October sees a slight increase in temperatures, with a minimum of 23°C (74°F), an average of 27°C (81°F), and a maximum of 31°C (88°F). However, it also experiences a marked increase in precipitation, reaching 217 mm (8.5 inches) over the same number of rainy days and a slightly lower humidity level at 89%. For more detailed weather information, you can check Lome weather in October.

In September, the weather is characterized by slightly lower temperatures with a minimum of 23°C (73°F) and an average of 26°C (79°F), while November experiences a bit warmer conditions, with a minimum of 24°C (75°F) and an average of 28°C (82°F). Both months see high humidity, but September is notably more humid at 91% compared to November's 82%. Precipitation is significantly higher in September, with 148 mm (5.8 in) over 25 days, while November has only 76 mm (3.0 in) over 20 days. For a more detailed look at the weather conditions in November, you can check Lome weather in November.

In September, the weather tends to be quite humid with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 30°C (86°F), averaging around 26°C (79°F). This month experiences significant rainfall, accumulating 148 mm (5.8 in) over approximately 25 days of precipitation, contributing to an overall humidity level of 91%.

In contrast, December brings slightly warmer temperatures, with a minimum of 22°C (71°F) and a maximum of 32°C (91°F), averaging 28°C (82°F). The precipitation drops dramatically to 36 mm (1.4 in), occurring over just 13 days, and the humidity decreases to 68%. This shift creates a much drier and more comfortable atmosphere compared to the wet conditions of September. For more details on weather conditions in December, you can check out Lome weather in December.

Compare Lome's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Lome

As September unfolds in Lomé, the city experiences a unique blend of warmth and humidity that sets it apart from other months. With average temperatures hovering around 26°C, this month feels particularly tropical, with high humidity levels reaching 91%. Rainfall is also a defining feature, as the city sees 148 mm of precipitation spread over 25 days, contributing to a lush, vibrant atmosphere. Unlike the dryer, sunnier months, September invites frequent showers that cool the air and nurture the landscape. For a deeper dive into the weather patterns throughout the year, check out Lome Climate.