Last updated: August 31, 2025
September in Butare, Rwanda showcases a vibrant climate characterized by warm temperatures and a touch of rainfall. With a maximum temperature reaching up to 31°C (87°F) and an average of 21°C (70°F), the days are pleasantly warm while evenings cool down to about 13°C (56°F). Rainfall is moderate, totaling 37 mm (1.5 in) across 8 days, contributing to the lush scenery. The humidity level hovers around 70%, adding a refreshing feel to the air. This blend of warmth and moisture makes September an inviting month for both locals and visitors to explore the beauty of Butare.
In September, Butare, Rwanda enjoys a delightful transition into the warmer months, with temperatures ranging from a mild 13°C (56°F) at night to a pleasant 31°C (87°F) during the day. The average temperature reaches a comfortable 21°C (70°F), signaling the onset of sunnier days after the cooler, drier spells of earlier months. As the city basks in this warmth, September echoes the patterns seen in August while hinting at the gradual return to milder conditions in October. This month offers a perfect blend of warmth and comfort, making it an inviting time for outdoor activities and exploration.
In September, Butare experiences a modest precipitation increase, with 37 mm (1.5 in) of rainfall over 8 days. This marks a slight uptick from the very dry months of July and August, emphasizing the transition into the wetter season. Notably, September's rainfall amount is still below the levels seen in March, April, and October, but it heralds a shift as the region prepares for the heavier downpours in the coming months. The gradual increase in precipitation reflects a significant change in the climate dynamics of Butare, as the dry spells give way to the more abundant rains typical of the region’s seasonal cycle.
In September, humidity levels in Butare, Rwanda settle at a comfortable 70%, marking a gradual uptick from the drier months of July and August, which recorded 70% and 66% respectively. This shift signifies a return to the richer, more moisture-laden atmosphere characteristic of the region, as the onset of October brings an increase to 83%. Notably, the humidity levels in Butare exhibit a seasonal pattern: following the relatively dry mid-year months, they rise significantly during the latter part of the year, peaking in the winter months of November and December at 91% and 92%. This trend highlights the transition from the cool, dry season to wetter periods, underscoring the tropical climate's influence on the region's weather dynamics.
Throughout the year, Butare, Rwanda, experiences a consistently extreme UV Index, with values peaking in early months and maintaining significant levels into September. In this month, the UV Index registers at 15, indicative of high solar radiation that necessitates precautions against sunburn, with a burn time of just 10 minutes. Following a slight dip during the cooler June and July months, September sees a resurgence, reminiscent of earlier months like March, which had the highest UV Index at 17. As the year progresses, while there are fluctuations, the overarching trend remains clear: outdoor enthusiasts and residents should remain vigilant about sun protection year-round. To learn more about the UV conditions in this vibrant region, visit Butare UV Index.
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As September unfolds in Butare, Rwanda, the city basks in 318 hours of sunlight, maintaining a robust trend of bright days that began with the onset of the dry season. This month’s sunshine hours reflect a slight dip from the peak of 334 hours in July but remain consistently high compared to the earlier months of the year. Notably, May leads the pack with 332 hours, and sunny days continue to prevail as October follows closely behind with 321 hours. With each passing month, the gradual dance of sunlight illustrates Rwanda’s vibrant climate, painting the landscape in golden hues and inviting both locals and travelers to indulge in the outdoor beauty that beautifully characterizes this region.
In Butare, Rwanda, September offers a interesting transition in sunny weather, with a 25% chance of sunshine. This marks a slight dip compared to the peak months of July and August, where the likelihood of clear skies reaches 39% and 45%, respectively. Following the sunniest months, September's weather hints at the onset of the rainy season, yet still provides a fair share of daylight for outdoor activities. As the year progresses into October and November, the chances of sun slightly rebound to 28% and 29%, suggesting that while September may not be the sunniest, it still holds its charm amidst fluctuating weather patterns.
In September, Butare, Rwanda enjoys a welcoming 12 hours of daylight, continuing the trend established since January. This consistency in daylight duration reflects the region's relatively stable equatorial climate, where daylight hours remain nearly uniform throughout the year. As we transition from the vibrant warmth of August to the cooler months ahead, September offers a perfect balance, allowing residents and visitors alike to fully engage with the lush landscapes and rich cultural experiences that Rwanda has to offer. With daylight gradually diminishing in the months following, this month serves as a gentle reminder of the comforting constancy that defines life near the equator.
As September arrives in Butare, Rwanda, the gentle embrace of the wind carries an average speed of 1.7 m/s (4 mph), marking a continuation of the mild breezes felt since June. Interestingly, this month maintains the same wind velocity as its predecessor, August, which reflects a slight uptick from the more tranquil conditions observed earlier in the year when speeds hovered around 1.5 m/s (3 mph). The consistent winds of September, along with the increase seen in mid-year, suggest a subtle shift towards livelier airflows as the dry season approaches. This predictable rhythm of winds not only brings a refreshing quality to the landscape but also signals the onset of a vibrant, flourishing environment as nature prepares for the coming transition, making September a delightful time to experience the gentle winds of Butare.
Weather in Butare varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Butare, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of September and January, we observe that both months share a similar minimum temperature of 13°C (56°F). However, September tends to be slightly warmer overall, with an average temperature of 21°C (70°F) and a maximum of 31°C (87°F), while January's average is 20°C (69°F) and its maximum reaches 29°C (84°F). Precipitation levels are notably higher in January, with 73 mm (2.9 in) falling over 13 days, compared to September's 37 mm (1.5 in) over 8 days. Additionally, January experiences higher humidity at 84%, compared to September's 70%. For more details on January weather, you can check Butare weather in January.
In comparing the weather between September and February, both months showcase mild temperatures, with September experiencing a slight edge in warmth; it holds an average temperature of 21°C (70°F) compared to February's average of 20°C (69°F). September typically sees maximums reaching up to 31°C (87°F), while February peaks at 29°C (85°F). However, February is marked by increased precipitation, offering 80 mm (3.1 in) over 14 rainy days, in contrast to September’s 37 mm (1.5 in) over just 8 days. Additionally, February’s humidity is slightly higher at 82%, compared to September’s 70%. For a more detailed look at February conditions, visit Butare weather in February.
In comparing the weather of September and March, we see some notable differences. September typically enjoys warmer temperatures, with average highs reaching up to 31°C (87°F), while March averages slightly cooler at 29°C (85°F). Both months start with a minimum temperature of around 13°C (55-56°F), indicating mild evenings. However, March is significantly wetter, receiving 111 mm (4.4 in) of precipitation over 21 days, compared to September's 37 mm (1.5 in) spread over just 8 days. Additionally, humidity levels are higher in March at 78%, compared to 70% in September, contributing to a more humid atmosphere during the earlier spring month. For a more detailed look at March weather, you can visit Butare weather in March.
When comparing the weather in September and April, both months exhibit mild temperatures, but there are notable differences in precipitation and humidity. In September, the average temperature hovers around 21°C (70°F), with a maximum reaching up to 31°C (87°F) and a relatively modest rainfall of 37 mm (1.5 in) over about 8 days. In contrast, April presents slightly cooler temperatures, with an average of 20°C (68°F) and highs of 28°C (83°F). However, this month is significantly wetter, receiving 155 mm (6.1 in) of rain across 24 days, resulting in higher humidity levels of 81%. For a deeper look into April weather specifics, you can visit Butare weather in April.
When comparing the weather in September and May, we find that September tends to be slightly warmer, with average temperatures reaching 21°C (70°F) and maximum highs of 31°C (87°F). In contrast, May has a cooler average temperature of 20°C (68°F) and a maximum of 28°C (82°F). However, May experiences significantly more precipitation, with 75 mm (2.9 in) falling over 17 days, compared to September's 37 mm (1.5 in) over just 8 days. The humidity levels are also higher in May at 87%, compared to 70% in September, making May feel more humid overall. For more detailed information on May's weather, you can visit Butare weather in May.
In comparing the weather between September and June, we see some distinct differences. September tends to be warmer, with average temperatures reaching 21°C (70°F) and a maximum of 31°C (87°F), while June has a slightly cooler average of 20°C (69°F) with a maximum of 28°C (83°F). Additionally, September experiences more precipitation, with 37 mm (1.5 in) falling over 8 days, in contrast to June's much drier conditions, which see only 8 mm (0.3 in) over just 2 days. Humidity levels are also higher in June at 78%, compared to 70% in September. For more detailed insights on June weather, you can visit Butare weather in June.
In comparing the weather of September and July, we observe a slight increase in temperature in September, with minimums of 13°C (56°F) and averages around 21°C (70°F), compared to July's min of 11°C (52°F) and avg of 20°C (69°F). Both months experience similar maximum temperatures, but September has more variability, reaching up to 31°C (87°F) versus July's 30°C (86°F). Additionally, September sees a significant rise in precipitation, with 37 mm (1.5 in) over 8 days, while July remains almost dry with only 3 mm (0.1 in) and no rainy days at all. Interestingly, humidity levels remain constant at 70% for both months. For more details on July weather, you can check Butare weather in July.
September's weather shows a slight decrease in maximum temperature compared to August, with highs reaching 31°C (87°F) compared to August's 32°C (90°F). Both months share similar minimum temperatures, but September experiences more precipitation, totaling 37 mm (1.5 in) over 8 days, compared to August's 23 mm (0.9 in) over just 3 days. Additionally, September is slightly more humid at 70%, while August's humidity stands at 66%. For a detailed look at August's weather conditions, you can visit Butare weather in August.
In September, the weather tends to be warmer, with average temperatures reaching 21°C (70°F) and maximums hitting 31°C (87°F). The month experiences relatively low precipitation, totaling 37 mm (1.5 in) over about 8 days, and humidity levels are around 70%. In contrast, October sees a slight drop in average temperatures to 20°C (69°F) with maximums of 29°C (85°F). However, it brings significantly more rain, accumulating 90 mm (3.5 in) across 17 days, along with increased humidity at 83%. For more detailed information, check out Butare weather in October.
In comparing the weather of September and November, we see a gradual transition towards cooler and rainier conditions. September typically features a warmer average temperature of 21°C (70°F) with maximums reaching up to 31°C (87°F), while November sees a slight decrease in average temperature to 20°C (68°F) and maximums of 29°C (85°F). Precipitation also becomes more pronounced in November, with 87 mm (3.4 in) falling over 19 days compared to September's 37 mm (1.5 in) over just 8 days. Additionally, humidity levels rise significantly from 70% in September to 91% in November, giving a more humid feel to the latter month. For more detailed information on the weather in November, visit Butare weather in November.
In September, the weather is generally warm, with average temperatures reaching around 21°C (70°F) and maximums peaking at 31°C (87°F), accompanied by a moderate level of humidity at 70%. Rainfall is relatively low, totaling 37 mm (1.5 in) over about 8 days. In contrast, December experiences cooler average temperatures of 20°C (68°F) and maximums of 28°C (83°F), with significantly increased precipitation at 101 mm (4.0 in) spread across 19 days, and higher humidity at 92%. These differences highlight September's warm and drier conditions compared to December's cooler and wetter climate. For more detailed information, you can check Butare weather in December.
September in Butare offers a delightful transition with warmer temperatures and increased humidity compared to the cooler, rainier months that precede it. While the average temperature hits a comfortable 21°C, the maximum can soar to 31°C, inviting both locals and visitors to enjoy outdoor activities. Although there are a few days of light rain, totaling 37 mm, the overall atmosphere is much more inviting than in the peak of the rainy season. This blend of warmth and slight humidity makes September a unique time to experience the beauty of Butare. For more details on the weather patterns, check out Butare Climate.