Last updated: August 21, 2025
In Bihac, Bosnia and Herzegovina, September brings a delightful mix of warmth and freshness, with maximum temperatures reaching 31°C (88°F) and an average of 15°C (60°F), creating ideal conditions for outdoor activities. Nights can be cozy, dipping to a minimum of 1°C (34°F). The month experiences 142 mm (5.6 in) of rainfall over approximately 11 days, offering a refreshing respite from the summer heat, while the average humidity stands at a comfortable 62%. This transitional month is perfect for enjoying the beautiful landscapes of Bihac as they begin to embrace the colors of autumn.
As September unfolds in Bihać, Bosnia and Herzegovina, temperatures begin a gentle transition from the summer's warmth to the cool embrace of autumn. The month opens with a minimum of 1°C (34°F), offering a crisp start, while the average temperature settles around 15°C (60°F), creating a pleasant backdrop for outdoor activities. Daytime highs can still reach a summery 31°C (88°F), providing ample opportunities to soak in the last rays of sunlight before the cooler months arrive. This transitional phase reveals a gradual decrease from the peak summer heat, reflecting a delightful balance that invites both adventure and a taste of the crisp fall ahead.
In September, Bihac experiences a notable surge in precipitation, with an impressive 142 mm (5.6 in) of rainfall, marking it as one of the wetter months of the year. This increase is part of a broader trend, as the transition from summer to autumn typically sees heightened rainfall. Continuing from May's peak of 149 mm, September maintains the momentum with 11 days of precipitation, showcasing a consistent pattern of rain across the late summer and early autumn months. This seasonal shift not only enriches the landscape but also sets the stage for the even wetter periods ahead, particularly in November when precipitation reaches 148 mm. The rhythm of rainfall in Bihac over these months highlights the region's dynamic climate, shifting from the drier spells of summer into a lush, water-laden autumn.
As September arrives in Bihac, Bosnia and Herzegovina, humidity levels experience a noticeable shift, measuring at 62%. This marks a contrast to the dry summer months of July and August, where humidity dipped to its annual low of 64% and 51%, respectively. The transition into fall brings a subtle increase in moisture, hinting at the impending return of the wetter months. Following this brief uptick, humidity will climb again into the autumn months, rising sharply to 81% in October and peaking at 87% by November. This steady fluctuation underscores the seasonal rhythm of Bihac, as warm, humid summer days give way to the cooler, damp air of fall.
In September, Bihac experiences a UV Index of 7, categorizing the exposure as high. This marks a slight decrease from the peak of summer where the index soared to 10 in both June and July. Although the burn time extends back to 25 minutes, it's essential to remain vigilant, as the intensity remains significant. Transitioning from the scorching summer months, September offers a reprieve, yet it still demands attention to sun safety. As the month progresses into fall, individuals should be mindful of the changing UV conditions. For more detailed information on UV trends throughout the year, visit Bihac UV Index.
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As the summer fades and autumn approaches, September in Bihac, Bosnia and Herzegovina, enjoys a delightful transition with 337 hours of sunshine. This month witnesses a gradual decline from the peak summer sunlight of July at 433 hours and August at 401 hours, yet still holds onto a generous amount of bright days. Notably, September shines more than earlier months like January or November, showcasing how it balances the lingering warmth of summer with the crisp touch of fall. This makes it an enchanting time to explore the scenic beauty of Bihac, particularly with the soothing light enhancing the vibrant landscapes.
In Bihac, Bosnia and Herzegovina, September basks in a commendable 55% chance of sunny weather, positioning it as a favorable month for enjoying outdoor activities. As summer transitions to autumn, the likelihood of sunshine remains relatively high, closely mirroring the warm and vibrant months of July and August, which boast 52% and 53% chances, respectively. The trend indicates a gradual decline in sunny days as the year progresses, with the crispness of October bringing a notable drop to 35%. Thus, September stands out as an ideal time to experience the lingering warmth of summer before the cooler months arrive, making it a perfect choice for visitors seeking a blend of sunshine and the beauty of early fall.
As summer fades into autumn, September in Bihac sees a gentle transition in daylight duration, offering about 12 hours of sunlight. This marks a subtle decline from the 15 hours enjoyed in the peak months of June and July, reflecting the natural rhythm of the seasons. While still providing ample daylight, September is a precursor to the shorter days ahead, as it bridges the vibrant vitality of summer with the more subdued light of fall. With daylight gradually decreasing, September invites residents and visitors alike to savor the remaining warmth and brightness before the shorter days of October set in.
As September arrives in Bihać, the wind gently whispers a transition towards autumn. With an average wind speed of 1.9 m/s (4 mph), the breezes are among the calmest of the year, mirroring the soothing descent into cooler days. This slight dip follows the summer's moderate gusts in June and July, where winds registered at 1.9 m/s and 2.0 m/s, respectively. Interestingly, the overall trend shows a gradual ebb in wind strength as the seasons change, suggesting a tranquil ambiance that complements the vibrant hues of fall. As Bihać prepares for the upcoming months, this September wind invites a serene reflection on the beauty of nature's rhythm.
Weather in Bihac varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Bihac, focusing on differences in temperature, rainfall, humidity, and UV levels.
In September, the weather is generally milder, with temperatures ranging from a chilly minimum of 1°C (34°F) to a warm maximum of 31°C (88°F) and an average of 15°C (60°F). During this month, precipitation is relatively high at 142 mm (5.6 in), occurring over 11 days, while humidity sits at a comfortable 62%. In stark contrast, January features much colder temperatures, dipping down to a minimum of -20°C (-4°F) and an average of 0°C (33°F), with a maximum reaching only 14°C (58°F). This month sees less precipitation, totaling 84 mm (3.3 in) across 12 days, but with higher humidity levels at 89%. For those looking for more details about January's climate, visit Bihac weather in January.
September and February present notably contrasting weather patterns. September offers a more moderate climate, with temperatures ranging from a chilly 1°C (34°F) to a warm 31°C (88°F) and an average of 15°C (60°F). It experiences higher precipitation at 142 mm (5.6 in) spread over 11 days, along with a humidity level of 62%. In contrast, February is much colder, with temperatures varying from -12°C (10°F) to a maximum of 20°C (69°F) and an average temperature of 4°C (39°F). The month sees slightly less precipitation at 110 mm (4.3 in), but humidity is higher at 83%. To delve deeper into the specifics of February weather, you can visit Bihac weather in February.
In September, the weather is generally warmer with temperatures ranging from a chilly 1°C (34°F) at night to a pleasant 31°C (88°F) during the day, while March experiences much cooler conditions, with minimum temperatures plummeting to -14°C (7°F) and a daytime high of just 21°C (71°F). September also boasts an average temperature of 15°C (60°F), significantly higher than March's average of 5°C (42°F). Precipitation in September is notably higher at 142 mm (5.6 in) over 11 days, compared to March's 88 mm (3.4 in) spread across 12 days, while humidity levels remain relatively high in both months, with September at 62% and March slightly higher at 75%. For a closer look at March weather specifics, you can check Bihac weather in March.
September and April exhibit distinct weather patterns, highlighting the transition from summer to fall and the approach of spring. In September, temperatures range from a chilly 1°C (34°F) at night to a warm 31°C (88°F) during the day, with an average of 15°C (60°F). The month experiences significant rainfall, totaling 142 mm (5.6 in) over 11 days, while humidity sits at 62%. Conversely, April sees cooler temperatures, with nightly lows of -11°C (12°F) and daytime highs reaching up to 27°C (81°F), averaging around 10°C (50°F). Despite having less precipitation at 93 mm (3.7 in) over 12 days, April is characterized by higher humidity at 72%. For a more detailed look at April's weather specifics, you can check this link: Bihac weather in April.
In comparing the weather conditions of September and May, we observe notable differences in temperature and precipitation patterns. September boasts a wider temperature range, with minimums dipping to 1°C (34°F) and maximums reaching up to 31°C (88°F), averaging around 15°C (60°F). In contrast, May has a slightly lower range, with temperatures fluctuating between 0°C (32°F) and 28°C (83°F), averaging at 14°C (57°F).
Precipitation is also a factor, with September receiving 142 mm (5.6 in) over 11 days, while May sees a slightly higher rainfall of 149 mm (5.8 in) over 18 days. This results in higher humidity in May at 70%, compared to September’s 62%. For more detailed information on May weather conditions, visit Bihac weather in May.
September and June exhibit distinct weather patterns, showcasing a transition between seasons. In September, temperatures range from a minimum of 1°C (34°F) to a maximum of 31°C (88°F), with an average of 15°C (60°F). This month experiences 142 mm (5.6 in) of precipitation over 11 days, contributing to a humidity level of 62%. In contrast, June offers warmer conditions, with temperatures varying from 5°C (42°F) to 35°C (96°F) and an average of 19°C (67°F). Although June has less precipitation at 79 mm (3.1 in) over 12 days, it has slightly higher humidity at 69%. For more details, you can check Bihac weather in June.
When comparing the weather in September and July, notable differences emerge. September typically experiences a broader range of temperatures, with a minimum of 1°C (34°F) and a maximum reaching 31°C (88°F), creating an average temperature of 15°C (60°F). In contrast, July tends to be warmer overall, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 34°C (94°F) and an average temperature of 20°C (69°F). Additionally, September sees more precipitation, averaging 142 mm (5.6 in) over 11 days, compared to July’s 91 mm (3.6 in) across 10 days. Humidity levels also differ slightly, with September averaging at 62% versus July’s 64%. For more detailed insights, visit Bihac weather in July.
In comparing the weather of September and August, September shows a significant drop in average temperature, with a minimum of 1°C and an average of 15°C, compared to August's more moderate minimum of 6°C and average of 21°C. August is notably warmer, reaching a high of 37°C, while September sees a maximum temperature of 31°C. Precipitation levels are also higher in September, totaling 142 mm over 11 days, compared to August's 81 mm, also over 11 days. Additionally, September's humidity is higher at 62%, whereas August maintains a lower humidity level of 51%. For more specific details about August weather, you can visit Bihac weather in August.
September typically features warmer temperatures, with minimums reaching 1°C (34°F) and maximums soaring up to 31°C (88°F), leading to an average of 15°C (60°F). It also experiences higher humidity at 62% along with substantial rainfall, totaling 142 mm (5.6 in) across about 11 days. In contrast, October sees a notable drop in temperatures, with minimums dipping to -1°C (30°F) and a maximum of just 25°C (77°F), resulting in an average temperature of 11°C (52°F). October is slightly drier, with 117 mm (4.6 in) of precipitation over 10 days, but it comes with increased humidity at 81%. For a closer look at the climate specifics, you can explore Bihac weather in October.
In September, temperatures range from a mild 1°C (34°F) at their lowest to a warm max of 31°C (88°F), with an average of 15°C (60°F). Precipitation measures 142 mm (5.6 in) over about 11 days, and humidity sits at 62%. In contrast, November brings cooler conditions, with minimum temperatures dropping to -11°C (12°F) and a maximum of 20°C (68°F), averaging at 7°C (45°F). Rainfall increases slightly to 148 mm (5.8 in), occurring on approximately 13 days, while humidity rises significantly to 87%. For a more detailed look at weather patterns in the region, check out Bihac weather in November.
In comparing the weather of September and December, we see a significant shift in temperatures and conditions. September boasts a minimum temperature of 1°C (34°F) and an average of 15°C (60°F), with a maximum reaching up to 31°C (88°F), indicating a warm, transitioning season. In contrast, December experiences much colder temperatures, with a minimum of -10°C (15°F) and an average of 3°C (38°F), peaking at a maximum of 15°C (59°F).
Precipitation levels are similar, with September receiving 142 mm (5.6 in) over 11 days, while December has slightly higher precipitation at 144 mm (5.7 in) across 15 days, reflecting the increased humidity of 88%. This change in weather marks a shift from warmer, drier days to the chill and damp of winter. For a more detailed look at December's weather, you can visit Bihac weather in December.
As September unfolds in Bihac, it brings a remarkable transition from the sweltering heat of summer to a more temperate climate. The days remain pleasantly warm, allowing for a comfortable outdoor experience, yet cool nights remind us that autumn is on the horizon. With a noteworthy precipitation of 142 mm over 11 days, this month tends to be wetter than the preceding summer months, creating a vibrant landscape. This shift in humidity adds a refreshing touch, further enhancing the beauty of Bihac during this time. For those curious about how these patterns fit into the broader climatic picture, visit Bihac Climate for more information.