Last updated: August 28, 2025
In September, Gulu, Uganda, experiences a vibrant range of weather characterized by an average temperature of 23°C (73°F), with highs reaching up to 32°C (90°F) and lows dipping to 17°C (63°F). This month brings significant precipitation, totaling 203 mm (8.0 in) over approximately 23 days, resulting in an elevated humidity level of 84%. The combination of warm temperatures and frequent rain creates a lush and lively atmosphere, perfect for those seeking to experience the rich natural beauty of this region during the transition from dry to wet season.
September in Gulu, Uganda marks a gentle transition towards milder temperatures, with minimums averaging 17°C (63°F) and maximums reaching 32°C (90°F). This month maintains a comfortable average temperature of 23°C (73°F), striking a balance between the hotter months that precede it and the cooler ones that follow. The warmth starts to feel friendlier, as the intense peaks of the dry season give way to more moderate conditions. As the landscapes pulse with life during this time, the pleasant temperatures create an inviting atmosphere for both locals and travelers alike, showcasing Gulu's charm in a beautifully temperate setting.
In September, Gulu, Uganda experiences a notable peak in precipitation, with an impressive 203 mm (8.0 in) of rain falling over approximately 23 days. This month marks the transition into the more intense rainy season, following a steady rise in rainfall from the previous months. The average daily rainfall increases significantly as the area braces for the heaviest rainfall of the year, setting the stage for lush greenery and vibrant ecosystems. Compared to the relatively dry months at the start of the year, September's precipitation not only supports agricultural activities but also showcases the dynamic climatic shifts characteristic of Gulu's seasonal patterns.
Gulu, Uganda, experiences a notable climb in humidity levels as the year progresses, peaking in September at an impressive 84%. This month marks a significant increase from the drier conditions of the earlier months, particularly with January's humidity at 47% and February's at a mere 33%. As the rainy season takes hold in the mid-year, humidity rises sharply, reaching 77% in both July and August. The transition into September signals not just the onset of more consistent rains but also a palpable increase in moisture, which continues into October, peaking at 89%. This trend highlights Gulu's shift from a drier early year to a lush, humid climate that enhances the region's vibrant atmosphere and supports its rich biodiversity.
In September, Gulu continues to experience intense sunlight with a UV Index of 14, placing it firmly in the extreme exposure category, where unprotected skin can burn in just 10 minutes. This month’s index mirrors the earlier months of the year, particularly January through May, which consistently showcased similar levels of UV intensity. Following a gradual decline in June and July, which saw UV Index values drop slightly to 12, Gulu's September readings suggest a return to the higher indices typical of the dry season. As a result, residents and visitors should remain vigilant in protecting their skin from the sun’s harsh rays during this time. For more detailed information, check out the Gulu UV Index.
UV Risk Categories
In Gulu, Uganda, September shines brightly with 334 hours of sunlight, continuing the trend of abundant sunshine that characterizes the region. Following a typically warm August, which boasted 343 hours, September maintains the momentum, showcasing only a slight dip in sunshine hours. This month, like its predecessors since April, remains above the 330-hour mark, hinting that Gulu enjoys a vibrant sunlit atmosphere as the year begins to transition towards its end. With a steady supply of sun throughout the year, Gulu remains a warm oasis, making September yet another delightful chapter in its journey through sunshine-filled months.
In Gulu, Uganda, the likelihood of sunny weather in September stands at a moderate 29%, signaling a subtle dip in sunshine compared to the preceding months. Although the dry season peaks in the earlier months, September tends to experience cloudier days, reminiscent of the transition towards the upcoming rains in October. This decreasing trend from a high of 48% in January to a low in September reflects the region's shifting climate patterns. As the year progresses, travelers may find that while September may not offer the sunniest days, the rich landscape still invites exploration with its lush greenery, a vibrant backdrop less affected by the arid stages of the year.
In Gulu, Uganda, September marks a consistent point in a steady rhythm of daylight, offering 12 hours of sunshine that has prevailed since April. This month continues the trend of abundant light that characterizes the region’s mid-year, fostering a vibrant atmosphere where outdoor activities thrive. Notably, the daylight duration begins to taper off slightly in October and November, transitioning to 11 hours by the end of the year. Throughout these sunny months, the equilibrium of daylight supports both agricultural activities and the daily life of the community, making September an ideal time to enjoy the warm, bright days before the gradual shift into shorter daylight hours.
As September arrives in Gulu, Uganda, the winds settle into a gentle rhythm with an average speed of 1.5 m/s (3 mph). This marks a continuation of the slow, soothing breezes that began in the late summer months, where the wind has remained on the lighter side. Interestingly, September's wind speed matches that of August and July, suggesting a period of calm as the region transitions towards the more blustery months ahead. Observing the trends, we see the wind speeds dip in May and early summer, but as the year progresses, there is a gradual increase towards December, where winds peak at 2.7 m/s (6 mph). This shifting pattern hints at the cyclical nature of Gulu's climate, where tranquil days precede the dynamic bluster of the coming months.
Weather in Gulu varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Gulu, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is characterized by warm temperatures with a minimum of 17°C (63°F) and an average of 23°C (73°F), peaking at 32°C (90°F). However, it is also a month of significant rainfall, with 203 mm (8.0 in) of precipitation spread over 23 days, contributing to a high humidity level of 84%. Conversely, January offers a warmer climate, featuring a minimum temperature of 19°C (66°F) and an average of 26°C (80°F), reaching a maximum of 36°C (98°F). This month sees much lower rainfall—only 12 mm (0.5 in) over just 2 days—and a significant decrease in humidity to 47%. For more detailed information about January weather, you can visit Gulu weather in January.
September and February present contrasting weather conditions. In September, temperatures range from a minimum of 17°C (63°F) to a maximum of 32°C (90°F), with an average of 23°C (73°F). This month experiences considerable rainfall, with 203 mm (8.0 in) of precipitation spread over 23 days, leading to high humidity levels of 84%. In contrast, February tends to be hotter, with minimum temperatures around 19°C (67°F) and maximums reaching up to 37°C (99°F), averaging at 27°C (81°F). The precipitation is significantly lower in February at just 21 mm (0.8 in) over 4 days, accompanied by a much drier humidity level of 33%. For a detailed overview of Gulu's weather, you can check Gulu weather in February.
When comparing the weather in September and March, notable differences arise in both temperature and humidity. September tends to have a milder temperature range, with minimums around 17°C (63°F) and average highs of 32°C (90°F), along with high humidity levels at 84% and significant precipitation spread over 23 days. In contrast, March features warmer conditions, with a higher minimum temperature of 19°C (66°F) and maximums reaching 38°C (101°F). Additionally, March experiences much lower humidity at 33% and less rainfall, totaling 94 mm (3.7 in) over just 13 days. For more detailed insights, you can check Gulu weather in March.
When comparing the weather in September and April, notable differences in temperature and humidity emerge. September features a milder temperature range with a minimum of 17°C (63°F) and an average of 23°C (73°F), peaking at 32°C (90°F). In contrast, April presents a warmer scenario with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 36°C (97°F) and an average of 25°C (76°F). Additionally, while both months experience significant precipitation—203 mm (8.0 in) in September over 23 days and 193 mm (7.6 in) in April over 20 days—September's higher humidity at 84% contrasts with April's more comfortable 54% levels. For more details about Gulu's April weather, you can visit Gulu weather in April.
In comparing the weather of September and May, both months exhibit relatively warm temperatures, but there are notable differences. September shows average temperatures ranging from a minimum of 17°C (63°F) to a maximum of 32°C (90°F), while May has slightly higher averages with minimums at 18°C (64°F) and maximums reaching 31°C (88°F). Rainfall is prominent in both months, with September experiencing 203 mm (8.0 in) of precipitation over 23 days, compared to May's 185 mm (7.3 in) across 24 days. Additionally, September is characterized by a higher humidity level at 84%, whereas May's humidity sits at 77%. For a more detailed look at May's weather, you can visit Gulu weather in May.
In comparing the weather conditions of September and June, we can observe some notable differences and similarities. Both months share a minimum temperature of 17°C (63°F) and feature an average temperature close to 23°C (73°F), with September being slightly warmer at an average high of 32°C (90°F) compared to June's maximum of 30°C (87°F). However, September experiences significantly more rainfall, with 203 mm (8.0 in) over 23 days, whereas June has only 158 mm (6.2 in) across 19 days. Additionally, the humidity levels are higher in September at 84%, in contrast to June's 75%. For a closer look at the weather in Gulu during June, you can check Gulu weather in June.
In September, the weather tends to be warmer than in July, with average temperatures slightly higher at 23°C (73°F) compared to 22°C (72°F) in July. While both months share the same minimum temperature of 17°C (63°F), September can reach a maximum of 32°C (90°F), significantly hotter than July's maximum of 29°C (85°F). Additionally, September experiences more precipitation, totaling 203 mm (8.0 in) over 23 days, compared to July's 176 mm (6.9 in) over 21 days. The humidity is also higher in September at 84%, while July has a lower humidity level of 77%. For more insights on July weather patterns, visit Gulu weather in July.
In comparing the weather of September and August, September tends to be slightly warmer, with an average temperature of 23°C (73°F) compared to August's 22°C (73°F). Both months experience similar minimum temperatures at 17°C (63°F), but September reaches a higher maximum of 32°C (90°F) versus August's peak of 30°C (86°F). Precipitation is notably higher in September, totaling 203 mm (8.0 in) over 23 days, while August sees 185 mm (7.3 in) spread across 24 days. Additionally, humidity levels rise to 84% in September, compared to 79% in August. For further details on August weather, please visit Gulu weather in August.
In September, the weather features temperatures ranging from a minimum of 17°C (63°F) to a maximum of 32°C (90°F), with an average of 23°C (73°F). The month experiences significant rainfall, totaling 203 mm (8.0 in) over 23 days, along with high humidity at 84%. In contrast, October sees slightly warmer nights with a minimum temperature of 18°C (64°F) and maintains the same average and maximum temperatures. However, the precipitation increases to 238 mm (9.4 in) over 22 days, leading to higher humidity levels at 89%. For more specific details on weather conditions, check out Gulu weather in October.
September and November share similar temperature ranges, with both months experiencing minimum temperatures around 17°C (63°F) and maximum temperatures peaking at approximately 32°C (90°F). However, September tends to be wetter, with a significant amount of precipitation totaling 203 mm (8.0 in) over 23 days, compared to November’s 87 mm (3.4 in) spread over just 11 days. Additionally, humidity levels are slightly higher in November, reaching 88% compared to September's 84%. For more detailed information on November weather, you can visit Gulu weather in November.
September and December showcase distinct contrasts in weather patterns. In September, temperatures range from a minimum of 17°C (63°F) to a maximum of 32°C (90°F), with an average of 23°C (73°F). This month is notably wet, accumulating 203 mm (8.0 in) of rainfall over 23 days, all while maintaining a high humidity level of 84%. In contrast, December experiences slightly warmer temperatures, with averages rising to 25°C (77°F) and maximums reaching 35°C (95°F). Precipitation dramatically decreases to just 22 mm (0.9 in) over four days, and humidity lowers to 80%. This shift in weather marks December as a drier and hotter month compared to the damp and moderate climate of September. More details can be found in the article Gulu weather in December.
As September unfolds in Gulu, the weather becomes a vibrant blend of both warmth and moisture, setting it apart from the drier months that precede it. With temperatures peaking around a warm 32°C, this month offers a pleasant average of 23°C, inviting locals and visitors alike to embrace the outdoors despite the frequent rain. A notable 203 mm of precipitation falls over 23 days, resulting in a humidity level that hovers around 84%, creating a lush and green landscape that contrasts sharply with the arid conditions seen earlier in the year. This combination of warmth and wetness not only nurtures the region's flora but also highlights September’s unique climatic character. For a deeper understanding of how Gulu’s weather shapes its environment throughout the year, check out Gulu Climate.