Last updated: August 28, 2025
In Mbarara, Uganda, September ushers in a blend of warm days and cooler nights, with maximum temperatures reaching a comfortable 31°C (88°F) and dropping to an average of 22°C (71°F). The month is characterized by a minimum temperature dipping to 15°C (60°F), providing a pleasant respite from daytime heat. Rainfall is a notable feature of September, with precipitation totaling 97 mm (3.8 in) over approximately 20 days, contributing to a humidity level of around 70%. This combination creates a vibrant, lush landscape, perfect for enjoying the rich natural beauty of the region.
In September, Mbarara, Uganda experiences a subtle yet distinct transition in its temperatures, with a minimum of 15°C (60°F) and a daily high reaching up to 31°C (88°F). This month maintains an average temperature of 22°C (71°F), mirroring the trends set by August but with a slight coolness hinting at the approach of the cool season. It’s interesting to note that September continues the pattern of comfortable warmth experienced throughout the year, with maximum temperatures dipping slightly from the summer peak. As the rainy season nears, the air remains pleasantly mild, making it an inviting time for exploration and outdoor activities in this vibrant region.
September in Mbarara, Uganda, marks a significant uptick in precipitation, with 97 mm (3.8 in) of rain falling over an impressive 20 days. This surge continues the trend of increasing rainfall as the year progresses, following the relatively drier months of July and August, which saw only 18 mm (0.7 in) and 51 mm (2.0 in), respectively. The leap to September's rainfall heralds the onset of the wet season, paving the way for lush greenery and vibrant landscapes. As we transition into October, this pattern strengthens even further, with expected precipitation climbing to 108 mm (4.2 in), underscoring the rhythm of wet and dry that defines Mbarara’s climate throughout the year.
In Mbarara, Uganda, September experiences a humidity level of 70%, indicating a slight dip from the preceding months of August and July. This pattern showcases a seasonal trend where the humidity begins to rise in the preceding months of the rainy season, peaking in May at 84% before gradually decreasing during the drier months of July and August. September marks a transition, as humidity begins to climb again, foreshadowing the wetter months ahead. This fluctuation reflects Mbarara's tropical climate, where humidity plays a crucial role in shaping the weather patterns throughout the year, ultimately leading into the more humid months of October and November.
In September, Mbarara, Uganda, continues to experience an extreme UV Index of 14, with a burn time of just 10 minutes. This level of UV intensity aligns closely with the summer months, reflecting a consistent trend of high UV exposure from January through May. Although there is a slight dip in the UV Index during the rainy season from June to August, September sees a resurgence of potential skin damage if proper sun protection isn't used. With such persistent extremity, it’s crucial for residents and visitors alike to remain vigilant about sun safety throughout the year. For more detailed information, you can check this link: Mbarara UV Index.
UV Risk Categories
September in Mbarara, Uganda, boasts a delightful 324 hours of sunshine, making it a perfect month for outdoor activities and soaking up the warmth. Following the peak of August's 337 hours, September maintains a robust glow, slightly dimming as it transitions into the cooler months ahead. This month is part of a trend where the dry season shines brightly, with hours consistently above 300 from January through November. Even as the year approaches December, when the sunshine remains strong at 331 hours, September stands out as an inviting time to experience the vibrant landscapes and lively culture that flourish under the Ugandan sun.
In Mbarara, Uganda, September experiences a 25% chance of sunny weather, placing it slightly below the overall average for the year. As we look at the preceding months, it's noteworthy that August typically enjoys the highest sunshine, boasting a 40% chance of clear skies, which suggests that the transition into September may lead to a slight reduction in sunny days. Following this trend, the chances of sun will continue to fluctuate in the coming months, with October and November slightly improving to 28% and 26%, respectively. Overall, while September may not guarantee bright blue skies, it still offers opportunities for sunshine amid the shifting weather patterns typical of the region.
In Mbarara, Uganda, the month of September continues a remarkable trend observed throughout the year: a consistent 12 hours of daylight each day. This uniformity in daylight duration showcases the equatorial climate's stability, where the sun rises and sets at similar times, creating a rhythm that invites exploration and activity. As the seasons transition, residents and visitors alike enjoy the reliable light, perfect for outdoor adventures and cultural experiences, further enriching the vibrant lifestyle of this charming town. This predictability not only enhances daily routines but also highlights the inherent beauty of life in Mbarara, where daylight is always abundant.
As September unfolds in Mbarara, Uganda, the gentle breeze carries a nostalgic warmth, with an average wind speed of 1.8 m/s (4 mph). This marks a slight dip from the summer's peak winds in June and July, which averaged around 2.4 m/s (5 mph), creating a refreshing yet mellow atmosphere as the region transitions into the cooler months. Throughout the year, the wind speeds tend to remain consistent, with only modest variations, but September maintains a sense of calmness that mirrors the serene landscapes of the area. As the winds weave through the town, they herald the arrival of change, hinting at the vibrant colors and invigorating air of the approaching seasons.
Weather in Mbarara varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Mbarara, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January in Mbarara present distinct weather patterns that reflect the transition from late summer to early winter. In September, temperatures range from a minimum of 15°C (60°F) to a maximum of 31°C (88°F), with an average of 22°C (71°F), while experiencing significant precipitation of 97 mm (3.8 in) over approximately 20 days. This month also sees a humidity level of around 70%. In contrast, January features slightly warmer averages, with a minimum of 15°C (60°F), an average of 23°C (73°F), and a peak of 33°C (93°F). Rainfall drops dramatically to just 27 mm (1.1 in) across only 7 days, and humidity rises slightly to 75%. For a deeper look into January's climate specifics, you can check Mbarara weather in January.
September and February both offer warm temperatures, but they present distinct weather patterns. In September, the weather features a minimum temperature of around 15°C (60°F) and an average of 22°C (71°F), while February is slightly warmer with a minimum of 16°C (61°F) and an average of 23°C (74°F). September experiences higher precipitation, totaling 97 mm (3.8 in) across about 20 days, compared to February's 44 mm (1.7 in) over just 9 days. Additionally, February sees a slightly higher humidity level at 75%, compared to September's 70%. For a more detailed look at February's weather, you can visit Mbarara weather in February.
When comparing the weather in September and March, both months exhibit mild temperatures with a minimum of 15°C (60°F), but March tends to be slightly warmer overall, with an average temperature of 23°C (73°F) compared to September's 22°C (71°F). The maximum temperatures also reflect this trend, reaching up to 33°C (91°F) in March, whereas September sees a high of 31°C (88°F). Precipitation is notably lower in March, with 66 mm (2.6 in) falling over 15 days, in contrast to September's 97 mm (3.8 in) over 20 days. Humidity levels remain fairly consistent, with September at 70% and March at 71%. For a more detailed look at March weather, visit Mbarara weather in March.
When comparing the weather in September and April, both months exhibit similar temperature ranges, with September experiencing a minimum of 15°C (60°F), an average of 22°C (71°F), and a maximum of 31°C (88°F). April shows slightly higher temperatures, with a maximum of 32°C (89°F) while maintaining the same minimum and average. Precipitation levels are also close, with September recording 97 mm (3.8 in) over 20 days and April slightly lower at 94 mm (3.7 in) over 18 days. Humidity levels are marginally higher in April at 75% compared to September's 70%. For more detailed information, you can check out Mbarara weather in April.
When comparing the weather in September and May, both months exhibit similar average temperatures, with September having a slight edge at an average of 22°C (71°F) compared to May's 22°C (72°F). However, September experiences higher maximum temperatures, reaching up to 31°C (88°F) compared to May's peak of 30°C (87°F). Precipitation levels also differ, with September receiving more rain at 97 mm (3.8 in) over 20 days, while May has 73 mm (2.9 in) across 16 days. Additionally, humidity is notably higher in May at 84%, compared to 70% in September, making May feel more humid overall. For a more detailed look at May weather, you can visit Mbarara weather in May.
In comparing the weather of September and June, both months record similar average temperatures, hovering around 22°C (72°F) with maximums peaking at 31°C (88°F). However, September experiences significantly higher precipitation, totaling 97 mm (3.8 in) over 20 days, while June is much drier, receiving only 33 mm (1.3 in) over just 6 days. Additionally, humidity levels are slightly lower in September at 70% compared to June’s 77%. For more detailed information, you can visit Mbarara weather in June.
In comparing the weather between September and July, both months exhibit similar temperature ranges, with July experiencing a minimum of 14°C (57°F) and September a slightly higher minimum of 15°C (60°F). The average temperatures remain consistent at around 22°C (72°F), and the maximum temperatures peak at 31°C (88°F) for both months. However, September sees significantly more precipitation, with 97 mm (3.8 in) spread across 20 days compared to July's mere 18 mm (0.7 in) over just 4 days, resulting in a much wetter atmosphere. The humidity is also slightly higher in September at 70%, while July maintains a comfortable 69%. This difference in precipitation and number of rainy days gives September a more humid and damp feel compared to the drier July weather. For further details, you can check Mbarara weather in July.
In comparing the weather between September and August, September presents slightly warmer conditions, with average temperatures at 22°C (71°F) while August also averages the same but has a marginally cooler minimum temperature of 14°C (58°F) compared to September's 15°C (60°F). However, August boasts a higher maximum temperature of 32°C (91°F) versus September's high of 31°C (88°F). Precipitation levels significantly differ, with September experiencing more rain at 97 mm (3.8 in) over 20 days, compared to August's 51 mm (2.0 in) over only 12 days. Additionally, humidity is slightly higher in September at 70%, compared to August's 66%. For a more detailed look at the August weather, you can check Mbarara weather in August.
September and October showcase relatively similar weather patterns, with both months averaging around 22°C (71°F). September features a slightly warmer max temperature of 31°C (88°F) compared to October's peak of 30°C (87°F). However, October sees an increase in humidity, reaching 82% compared to September's 70%. Precipitation also rises, with October recording 108 mm (4.2 in) over 21 days, compared to September's 97 mm (3.8 in) over 20 days. For more details on October weather, you can check Mbarara weather in October.
In comparing the weather between September and November, both months exhibit a similar temperature range with September boasting a minimum of 15°C (60°F), an average of 22°C (71°F), and a maximum of 31°C (88°F), while November shows a slightly lower maximum of 30°C (87°F) and a similar average of 21°C (71°F). Rainfall in September reaches 97 mm (3.8 in) over approximately 20 days, making it slightly wetter than November, which records 85 mm (3.4 in) of precipitation over 18 days. Notably, humidity levels rise in November to 88%, compared to September's 70%, suggesting a more humid environment during the later month. For more details, you can check Mbarara weather in November.
In September, temperatures range from a minimum of 15°C (60°F) to a maximum of 31°C (88°F), with an average of 22°C (71°F). The month experiences a significant amount of rainfall, totaling 97 mm (3.8 in) over approximately 20 days, and the humidity levels sit at around 70%. In contrast, December sees similar temperature ranges, with a minimum of 15°C (60°F), an average of 22°C (72°F), and a maximum of 30°C (87°F). However, December is characterized by less precipitation, totaling 60 mm (2.4 in) across 15 days, and higher humidity levels at 84%. For more details, you can check out Mbarara weather in December.
September in Mbarara is characterized by a notable mix of warmth and humidity, setting itself apart from the surrounding months. With average temperatures hovering around a comfortable 22°C (71°F), the warmth peaks at 31°C (88°F), providing an inviting backdrop for outdoor activities. However, this month also brings a significant amount of rain, with 97 mm falling over approximately 20 days, making it one of the wetter periods of the year. The high humidity, averaging 70%, further enhances the tropical feel, contrasting sharply with the drier months. For a deeper dive into what each month holds for this vibrant region, explore the full details at Mbarara Climate.