Last updated: August 21, 2025
September in Jajce, Bosnia and Herzegovina offers a delightful mix of seasonal transitions, where temperatures reach a maximum of 29°C (85°F), providing warm days ideal for exploring the region's stunning landscapes. With an average temperature of 15°C (59°F) and a minimum dipping to -1°C (31°F), visitors can expect a refreshing shift as summer gives way to autumn. Rainfall is moderate, with a total precipitation of 51 mm (2.0 in) spread over 9 days, contributing to the lush greenery that characterizes this picturesque locale. The humidity level hovers around 62%, ensuring that while it may feel slightly damp at times, the climate remains comfortable for outdoor adventures and cultural experiences.
September in Jajce, Bosnia and Herzegovina, marks a delightful transition with temperatures that begin to cool from the summer peak. The minimum temperature hovers around -1°C (31°F), while the average climbs to a comfortable 15°C (59°F), and daytime highs can reach up to 29°C (85°F). This month encapsulates the essence of early autumn, where warm days gradually give way to crisp evenings. As the summer heat recedes, September invites visitors to enjoy outdoor activities amidst the picturesque landscapes, making it an ideal time to explore the scenic beauty and rich history of Jajce.
September in Jajce, Bosnia and Herzegovina, marks a transition as summer wanes and autumn approaches, reflected in the precipitation patterns. With an average of 51 mm (2.0 inches) of rain over 9 days, September is one of the drier months, following the peak rainfall of May (127 mm). The reduced precipitation is notable compared to the previous summer months, such as July and August, which saw 96 mm and 67 mm respectively. As the year progresses, the rainfall begins to increase again in October, hinting at the wetter conditions typical of the coming months. This trend illustrates how summer's warmth gives way to the cooler and wetter climate of fall, setting the stage for the more significant rainfall seen later in the year.
As summer transitions into autumn, September in Jajce, Bosnia and Herzegovina, experiences a notable shift in humidity levels. Following the peak dryness of August, where humidity dipped to a refreshing 51%, September sees a slight uptick, settling at 62%. This increase marks a gradual reintroduction of moisture into the air as the region prepares for the cooler months ahead. The trend highlights the contrasting journey from the more arid conditions of mid-summer to the wetter atmosphere characteristic of fall, reminding residents and visitors alike of the dynamic climate that Jajce experiences throughout the year. As the days grow shorter and temperatures drop, it’s a perfect time to enjoy the serene beauty of the changing season amidst the backdrop of this charming Bosnian town.
In September, Jajce experiences a shift in its UV Index, registering at 7, which falls into the high exposure category. This marks a gentle decline from the peak of summer, where the UV Index reached a maximum of 10 in both July and June, indicating very high levels of sun exposure. As the season transitions, the burn time increases to 25 minutes, allowing for more time outdoors before needing to seek shade or apply sunscreen. Despite the slight drop in UV intensity compared to the summer months, it's essential for residents and visitors alike to remain cautious and protect their skin. For a detailed overview of UV levels throughout the year, check out the Jajce UV Index.
UV Risk Categories
As September unfolds in Jajce, Bosnia and Herzegovina, the city enjoys 329 hours of sunshine, marking a gentle transition from the sun-drenched glory of summer. Following the peak of 423 hours in July, daylight begins to wane, yet September still radiates ample warmth and light, outshining many months before it. The harvest season is underway, and the landscape is painted in rich autumn hues, all while basking in a comfortable glow that hints at the fleeting summer days. As the month progresses, hours of sunlight gradually decline, setting the stage for the cooler, shorter days of October, yet September stands confidently as a bridge between the hot summer and the crisp fall. The balance of sun and shade makes it a perfect time for outdoor adventures amidst Jajce’s stunning natural beauty.
In Jajce, Bosnia and Herzegovina, the likelihood of sunny weather in September stands at a 53%, making it one of the more favorable months for sunshine. This is consistent with the trend seen in the summer months of June and August, which also boast a 59% chance of sunny days. As the season transitions from summer to autumn, September maintains a robust opportunity for clear skies, aligning closely with July and slightly higher than the more variable spring months. Observing the gradual decline in sunny days as we move toward October (43%) and beyond, September offers a sweet spot of pleasant weather where outdoor adventures are still very much in season.
As the sun begins to dip below the horizon in Jajce, Bosnia and Herzegovina, September marks a transition in daylight duration, offering approximately 12 hours of sunlight. Following the height of summer, where daylight stretched to a generous 15 hours in June and July, September signals a gradual winding down, reminiscent of the flourishing warmth of summer intertwined with the encroaching chill of autumn. This month presents a blend of lingering daylight and cooler temperatures, inviting residents and visitors alike to savor the beautiful outdoor scenery. As days grow shorter, one can feel the subtle nudge towards the cozy embrace of fall, with October providing just 10 hours of daylight to anticipate as daylight continues to fade further into the year.
As autumn begins to embrace Jajce in September, the gentle whisper of the wind reflects the shifting seasons, with an average speed of just 1.7 m/s (4 mph). This drop in wind velocity from the summer months marks a transition to calmer days, as the bustling energy of July and August gives way to a more subdued atmosphere. Throughout the year, wind speeds generally fluctuate, with the briskest breezes occurring in the winter and early spring months. The steady decline observed in the warmer half of the year, peaking in May, underscores a tranquil pattern that invites you to savor the picturesque landscapes of this enchanting Bosnian town. As September draws near its end, the serene winds set the perfect backdrop for reflections on nature's beauty and the changing seasons.
Weather in Jajce varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Jajce, focusing on differences in temperature, rainfall, humidity, and UV levels.
September and January present stark contrasts in weather conditions. In September, temperatures range from a minimum of -1°C (31°F) to a maximum of 29°C (85°F), with an average of 15°C (59°F), making it a much milder month. The month sees about 51 mm (2.0 in) of precipitation over roughly 9 days, accompanied by a humidity level of 62%.
In contrast, January is notably colder, with temperatures plummeting to a minimum of -29°C (-20°F) and a maximum of just 14°C (58°F), leading to an average temperature of -1°C (30°F). This month experiences more precipitation at 75 mm (2.9 in) spread over 11 days, and the humidity is significantly higher at 89%. For more detailed insights, you can visit Jajce weather in January.
September weather typically features a wider temperature range, with minimums around -1°C (31°F) and maximums reaching 29°C (85°F), averaging a comfortable 15°C (59°F). The month experiences about 51 mm (2.0 in) of precipitation over roughly 9 days, with humidity sitting at 62%. In contrast, February is significantly colder, with temperatures ranging from a chilly -15°C (5°F) at night to a moderate 20°C (68°F) during the day, averaging only 2°C (36°F). This month sees higher precipitation at 87 mm (3.4 in) over about 11 days, and notably increased humidity at 83%. For a detailed look at February weather in Jajce, you can refer to the following link: Jajce weather in February.
In comparing the weather between September and March, significant differences emerge in temperature and precipitation patterns. September boasts a more moderate temperature range with a minimum of -1°C (31°F), averaging around 15°C (59°F), and reaching a high of 29°C (85°F). In contrast, March experiences colder extremes, starting from a minimum of -20°C (-4°F) and only averaging 4°C (40°F), while peaking at a maximum of 20°C (69°F). When it comes to precipitation, March sees a higher total of 87 mm (3.4 in) over 13 days, compared to September's 51 mm (2.0 in) across 9 days, and March also has a slightly higher humidity level at 75%, versus September's 62%. For a closer look at March weather specifically, you can refer to Jajce weather in March.
When comparing the weather in September and April, notable differences emerge. September typically enjoys a wider temperature range, with minimums hovering around 1°C (31°F) and maximums reaching up to 29°C (85°F), leading to an average of 15°C (59°F). In contrast, April is cooler, with minimum temperatures dropping to -12°C (10°F) and maximums only reaching 25°C (77°F), resulting in an average of 9°C (48°F). Precipitation is also more frequent in April, totaling 94 mm (3.7 in) over 12 days, compared to 51 mm (2.0 in) over just 9 days in September. Furthermore, April tends to have higher humidity levels at 72%, while September's humidity is slightly lower at 62%. For a closer look at the weather in April, visit Jajce weather in April.
When comparing the weather in September and May, both months exhibit a range of temperatures, but with notable differences. September tends to be warmer, with average temperatures reaching 15°C (59°F) compared to May's average of 13°C (55°F). The maximum temperature in September can reach up to 29°C (85°F), while May's maximum is slightly lower at 27°C (81°F). However, May experiences significantly more precipitation, totaling 127 mm (5.0 in) across 17 days, compared to September's 51 mm (2.0 in) over 9 days. Humidity levels are also higher in May at 70%, versus September's 62%. For a closer look at May's weather specifics, visit Jajce weather in May.
In comparing the weather of September and June, we observe distinct differences in temperature and precipitation patterns. September typically experiences a wider range of temperatures, with a minimum of -1°C (31°F) and a maximum of 29°C (85°F), while June maintains a milder range, from 5°C (42°F) to a maximum of 33°C (92°F). The average temperature in September is around 15°C (59°F), which is slightly lower than June's average of 17°C (63°F). Additionally, September sees approximately 51 mm (2.0 in) of precipitation over 9 days, whereas June has more substantial rainfall, totaling 95 mm (3.7 in) over 13 days. The humidity levels reflect this moistness, with June at 69% compared to September's 62%. For more detailed information, you can check Jajce weather in June.
When comparing the weather of September and July, notable differences emerge in terms of temperature and precipitation. September experiences a broader temperature range, with a minimum of -1°C (31°F), an average of 15°C (59°F), and a maximum of 29°C (85°F). In contrast, July offers warmer conditions, with a minimum of 7°C (45°F), an average of 19°C (66°F), and a peak temperature of 34°C (94°F). Rainfall is more prevalent in July, accumulating 96 mm (3.8 in) over 12 days, compared to September's 51 mm (2.0 in) over 9 days. Humidity levels are fairly similar, with September at 62% and July slightly higher at 64%. For a more detailed look at July weather, visit Jajce weather in July.
In comparing the weather between September and August, notable differences emerge. September experiences a broader temperature range with minimums dropping to -1°C (31°F) and maximums reaching 29°C (85°F), averaging at 15°C (59°F). In contrast, August is warmer, with minimum temperatures of 5°C (41°F) and maximums soaring to 36°C (96°F), resulting in an average of 20°C (68°F). While September has slightly less precipitation at 51 mm (2.0 in) over 9 days, August sees a bit more rain at 67 mm (2.6 in) across 10 days, accompanied by lower humidity levels of 51% compared to September's 62%. For more detailed insights, you can check out this link: Jajce weather in August.
September's weather presents a warmer transition into autumn, with temperatures ranging from a minimum of -1°C (31°F) to a maximum of 29°C (85°F) and an average of 15°C (59°F). The month experiences relatively moderate precipitation at 51 mm (2.0 in) over about 9 days, accompanied by a humidity level of 62%. In contrast, October sees cooler temperatures, with minimums dropping to -2°C (29°F) and an average of 10°C (51°F), peaking at 25°C (78°F). This month is also wetter, recording 88 mm (3.5 in) of precipitation spread over 8 days, and higher humidity at 81%. The shift from September to October marks not only a drop in temperatures but also a noticeable increase in precipitation and humidity, indicating a deeper embrace of autumn. For more specific insights on weather conditions in this season, you can check out Jajce weather in October.
September typically offers a milder climate compared to November, with temperatures ranging from a low of -1°C (31°F) to a comfortable average of 15°C (59°F), peaking at 29°C (85°F). The month sees relatively low precipitation, averaging 51 mm over about 9 days, complemented by a moderate humidity level of 62%. In contrast, November experiences significantly colder temperatures, with lows plunging to -13°C (10°F) and an average of only 6°C (44°F), though it can still reach a maximum of 20°C (69°F). This month also brings increased precipitation, totaling 93 mm across 11 days, and higher humidity levels at 87%. For more detailed information, you can check Jajce weather in November.
In September, the weather is notably milder, with temperatures ranging from a chilly -1°C (31°F) at night to a warm 29°C (85°F) during the day, and an average of 15°C (59°F). The month sees moderate precipitation of 51 mm (2.0 in) over about 9 days, accompanied by a humidity level of 62%. In contrast, December's weather is much colder, with temperatures dropping to a minimum of -14°C (7°F) and peaking at just 13°C (56°F), resulting in an average of 2°C (35°F). This month experiences significantly higher precipitation, totaling 141 mm (5.6 in) across 16 days, along with increased humidity levels of 88%. For more detailed insights into December weather, you can check out Jajce weather in December.
As summer transitions to autumn, September in Jajce reveals a delightful shift in weather, presenting a more temperate climate compared to the scorching heights of July and August. While the days still bask in warmth, with average temperatures on the rise, the nights start to cool off significantly, giving way to a refreshing chill. Renowned for its moderate humidity and manageable precipitation, September stands out for its crisp and clean air, a stark contrast to the oppressive heat of summer. With about nine days of light rain, these gentle showers nourish the landscape, making it an ideal time for outdoor exploration. For a deeper understanding of Jajce's weather patterns throughout the year, be sure to check out Jajce Climate.