Last updated: August 21, 2025
September in Bahir Dar, Ethiopia, is characterized by a mild and refreshing climate, with maximum temperatures reaching 25°C (78°F) and averaging around 18°C (65°F). As the month unfolds, the landscape becomes lush under the weight of significant rainfall, totaling 310 mm (12.2 in) across 27 days. This considerable precipitation fosters an almost 85% humidity, creating a unique atmosphere that enriches both the vibrant scenery and the daily life of the city's residents. Whether you're exploring the natural beauty or immersing yourself in local culture, September offers a refreshing experience in this enchanting Ethiopian city.
In September, Bahir Dar, Ethiopia experiences a subtle transition towards cooler weather as the month unfolds. The minimum temperature hovers around 12°C (55°F), while the average reaches a comfortable 18°C (65°F), and the maximum temperature peaks at 25°C (78°F). This follows a pattern from the warmer months of July and August, where temperatures were consistently lower, averaging around 18°C (64°F). As the region moves from the heart of the rainy season towards October, there’s a refreshing shift that hints at the arrival of drier days, making September an inviting time to explore the beautiful landscapes surrounding Lake Tana. Overall, the climate is mild and pleasant, perfect for both outdoor adventures and cultural exploration.
In September, Bahir Dar experiences a notable decline in rainfall compared to the preceding months, with 310 mm (12.2 in) of precipitation accumulated over 27 days. This marks a significant shift from the intense rains of July and August, which typically see 556 mm of rainfall each month. Despite this reduction, September still contributes substantially to the wet season, characterized by persistent, though less torrential, rains that nourish the region's agriculture and replenish water sources. The gradual tapering of rainfall hints at the transition towards the drier months ahead, with precipitation levels expected to fall sharply in October and beyond.
As the year progresses in Bahir Dar, Ethiopia, September marks a slight decline in humidity after the peak of the rainy season. With an average humidity of 85%, it remains high but shows a decrease from the oppressive levels of 87% in August. This month is indicative of the transition from the wet season towards a drier climate, reflecting a steady rise in humidity from the beginning of the year, where January started at a more comfortable 38%. The trend illustrates a clear seasonal shift: humidity escalates dramatically from mid-year, peaking in the heart of the rainy season, before gradually tapering off towards October. Such fluctuations highlight the distinct wet and dry periods that characterize Bahir Dar's climate, making September a notable month in this dynamic weather pattern.
In September, Bahir Dar, Ethiopia, experiences a UV Index of 13, maintaining its status in the extreme exposure category with a burn time of just 10 minutes. This month follows a summer of intense sunlight, peaking at a UV Index of 15 in August. While slightly lower than previous months, September still demands caution from sun seekers, as the high levels of ultraviolet radiation persist. Observing a trend throughout the year, the UV Index generally ranks in the extreme category from January to July, before gradually decreasing into the very high category by December. For those planning outdoor activities, it’s crucial to stay informed and protected! Explore more details on the UV Index trends in Bahir Dar at Bahir Dar UV Index.
UV Risk Categories
In Bahir Dar, Ethiopia, September emerges as a sun-soaked delight, boasting 321 hours of sunshine that continues the region's trend of abundant daylight. As summer's warmth lingers, September stands out against the backdrop of the previous months, slightly lower than the spring peak in March but still well above the mid-year average. With sunshine hours steadily declining from the high of 348 in March, the transition into fall is gentle yet noticeable, as October and November follow suit with their own impressive totals. This rhythmic dance of daylight not only enriches the landscape but also invites both residents and visitors to bask in the radiant beauty of Bahir Dar during this vibrant time of year.
In Bahir Dar, Ethiopia, the likelihood of sunny weather sees a notable decline as the months progress towards September. With a strong 80% chance of sun in January, the probability steadily decreases, hitting a low of 12% in July. As summer transitions into autumn, September presents a moderate 33% chance of sunshine, marking a slight improvement compared to the previous months. This trend reflects a gradual resurgence of clearer skies as the rainy season wanes, paving the way for a more welcoming climate in the following months, especially with November and December promising 75% and 74% sunny days, respectively.
In Bahir Dar, Ethiopia, the rhythm of daylight unfolds with remarkable consistency throughout the year. September stands out with 12 hours of daylight, joining a stretch of months from March to August where the sun graces the region for the same duration. This steady daylight duration reflects a transitional phase, giving way to October, which ushers in shorter days with its return to 11 hours. The last stretch of the year retains this pattern of abbreviated daylight, reinforcing the region's characteristic of almost evenly split daylight and darkness. Whether basking in the bright rays of mid-year or adapting to the shorter days of winter, Bahir Dar's unique daylight pattern paints a picturesque backdrop to life in this vibrant city.
As September unfolds in Bahir Dar, Ethiopia, the winds gentle whispers settle into a calm rhythm, with an average speed of 1.5 m/s (3 mph), mirroring the tranquil essence of late summer. This marks a continuation of a consistent downward trend in wind speeds, receding from the early months of the year, where breezes were notably brisker. While January to April showcased a gradual increase in wind velocity, peaking at 2.2 m/s (5 mph), by mid-year, the winds began to soften, reaching their lowest point in August and September. This subtle shift in the atmosphere heralds the onset of a serene transition into the coming months, inviting a soothing embrace for all who wander through this picturesque lakeside city.
Weather in Bahir Dar varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Bahir Dar, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January showcase contrasting weather patterns. In September, temperatures range from a minimum of 12°C (55°F) to a maximum of 25°C (78°F), with an average of 18°C (65°F). The month is characterized by high humidity at 85% and significant precipitation, measuring 310 mm (12.2 in) over 27 days. In contrast, January features milder temperatures, with a minimum of 9°C (49°F) and a maximum of 29°C (85°F), averaging around 20°C (68°F). This month experiences remarkably low precipitation, with only 1 mm (0.0 in) recorded over no rainy days and a humidity level of just 38%. For more insights on January weather, you can refer to Bahir Dar weather in January.
In comparing the weather of September and February, it is evident that February tends to be warmer and significantly drier. September experiences a temperature range from a minimum of 12°C (55°F) to a maximum of 25°C (78°F), with an average of 18°C (65°F) and heavy rainfall totaling 310 mm (12.2 in) across 27 days, paired with high humidity levels of 85%. In contrast, February offers milder conditions with a minimum of 12°C (54°F) and a higher maximum reaching 30°C (87°F), an average of 21°C (70°F), and minimal precipitation of just 12 mm (0.5 in) over 2 days, thus resulting in much lower humidity at 36%. For more details on February weather specifics, you can visit Bahir Dar weather in February.
September and March exhibit contrasting weather patterns. In September, temperatures range from a cool 12°C (55°F) at night to a maximum of 25°C (78°F) during the day, with an average of 18°C (65°F). The month is marked by high humidity at 85% and significant rainfall, totaling 310 mm (12.2 inches) over 27 days. In stark contrast, March offers warmer conditions, with temperatures varying from a minimum of 13°C (56°F) to a maximum of 32°C (89°F) and an average of 23°C (73°F). Rainfall in March is minimal, with only 5 mm (0.2 inches) over just 1 day and much lower humidity at 34%. For more detailed weather information, you can check Bahir Dar weather in March.
When comparing the weather in September and April, notable differences emerge. September is characterized by cooler temperatures, with a minimum of 12°C (55°F) and an average of 18°C (65°F), while April enjoys warmer conditions, featuring a minimum of 15°C (58°F) and an average of 23°C (74°F). Additionally, September experiences significantly higher rainfall, totaling 310 mm (12.2 in) over 27 days, compared to April's much drier climate with only 30 mm (1.2 in) over just 4 days. Humidity levels also differ, with September at a high 85%, in contrast to April's more comfortable 46%. For more detailed information, you can check out Bahir Dar weather in April.
September and May present distinct weather patterns. In September, temperatures range from a minimum of 12°C (55°F) to a maximum of 25°C (78°F), with an average of 18°C (65°F). This month experiences significant rainfall, totaling 310 mm (12.2 in) over 27 days, accompanied by high humidity levels of 85%. In contrast, May boasts warmer conditions, with temperatures ranging from a minimum of 13°C (55°F) to a peak of 31°C (89°F) and an average of 22°C (71°F). Precipitation in May is considerably lower, at 140 mm (5.5 in) over just 17 days, and humidity is also reduced to 67%. For more details, you can refer to Bahir Dar weather in May.
In comparing the weather of September and June, we see notable differences in temperature and precipitation. September, with a minimum temperature of 12°C (55°F) and an average of 18°C (65°F), tends to be slightly cooler than June, which has a minimum of 13°C (56°F) and an average temperature of 19°C (67°F). June experiences warmer maximum temperatures, reaching up to 29°C (84°F), compared to September's peak of 25°C (78°F). Additionally, September is characterized by higher precipitation, averaging 310 mm (12.2 in) over 27 days, while June receives 264 mm (10.4 in) over 25 days, making September the wetter month. Humidity also plays a role, with September's humidity at 85% compared to June's 79%. For more detailed information, check out Bahir Dar weather in June.
When comparing the weather in September and July, both months exhibit similar average temperatures, ranging from a minimum of 12-13°C (55-56°F) to a maximum of around 25°C (78°F). However, July tends to be markedly wetter, with a total precipitation of 556 mm (21.9 in) over 31 days, compared to September's 310 mm (12.2 in) spread across 27 days. This higher rainfall in July leads to slightly elevated humidity levels at 86%, compared to September's 85%. For more details on July's conditions, you can refer to Bahir Dar weather in July.
In comparing the weather between September and August, we observe slight variations in temperature and precipitation patterns. September experiences a minimum temperature of 12°C (55°F) and an average of 18°C (65°F), with a maximum reaching 25°C (78°F). In contrast, August has a comparable average of 18°C (64°F) but starts slightly warmer with a minimum of 13°C (56°F) and a maximum of 25°C (76°F).
However, the most striking difference lies in the rainfall: September sees 310 mm (12.2 in) of precipitation over 27 days, while August is considerably wetter, with 556 mm (21.9 in) of rain over 31 days. This results in a higher humidity level in August at 87%, compared to September's 85%. For more details, you can check Bahir Dar weather in August.
In comparing the weather of September and October, we can observe some notable differences. September tends to be cooler, with an average temperature of 18°C (65°F) and a maximum of 25°C (78°F), while October sees a slight increase in average temperature to 19°C (67°F) and a maximum of 26°C (79°F). Precipitation also declines dramatically from 310 mm (12.2 in) over 27 days in September to just 76 mm (3.0 in) over 13 days in October, indicating a much drier month. Additionally, humidity levels remain relatively high but decrease slightly from 85% in September to 81% in October. For more detailed information, check out Bahir Dar weather in October.
In September, the weather is characterized by a relatively mild temperature range, with minimums around 12°C (55°F) and maximums reaching up to 25°C (78°F). This month experiences significant precipitation, averaging 310 mm (12.2 in) over 27 days, along with high humidity levels at 85%. In contrast, November brings slightly cooler temperatures, with nightly lows around 11°C (51°F) and daytime highs peaking at 27°C (80°F). Notably, November is much drier, with only 17 mm (0.7 in) of rainfall over just 3 days and lower humidity at 74%. For more detailed information, you can check Bahir Dar weather in November.
In September, the weather is characterized by a moderate temperature range, with minimums around 12°C (55°F) and maximums reaching up to 25°C (78°F). This month is marked by significant precipitation, totaling 310 mm (12.2 in) spread across 27 days, and high humidity levels at 85%. In contrast, December offers milder temperatures with a minimum of 11°C (51°F) and a comfortable maximum of 28°C (82°F). Remarkably, December experiences negligible rainfall, with only 3 mm (0.1 in) and no rainy days, along with a lower humidity of 55%. For more details, check out Bahir Dar weather in December.
In September, Bahir Dar experiences a notable shift in weather as the region transitions into its rainy season. With higher humidity levels and frequent precipitation, this month stands out distinctly from the drier periods that precede it. The average temperatures offer a mild respite, creating a refreshing atmosphere, yet the substantial rainfall can make outdoor activities a bit challenging. Despite the downpours, the lush landscapes that emerge during this time are truly a sight to behold, showcasing the vibrant beauty of the area. For a deeper understanding of the weather patterns throughout the year, check out Bahir Dar Climate.