Last updated: April 1, 2025
Ostrava, Czech Republic, experiences a dynamic September climate characterized by significant variations in temperature and notable precipitation. With maximum temperatures reaching up to 30°C (87°F) and a refreshing average of 15°C (59°F), the weather can shift remarkably from the pleasant warmth of late summer to the crispness of early autumn, evidenced by minimums dropping to 1°C (34°F). This month also sees an average precipitation of 103 mm (4.1 in) over 13 days, contributing to a humidity level of 67%, often resulting in a refreshing, vibrant atmosphere. Whether basking in the sun or enjoying the fresh rain-kissed air, September in Ostrava offers a compelling blend of seasonal transitions.
In Ostrava, Czech Republic, September marks a delightful transition as summer fades into autumn. With temperatures ranging from a crisp minimum of 1°C (34°F) to a warm maximum of 30°C (87°F), the city experiences a comfortable average of 15°C (59°F). This month stands out with its pleasant warmth, contrasting sharply with the colder winter months ahead. As the days grow shorter and the air becomes cooler, locals and visitors alike can enjoy the tail end of warm weather while witnessing the leaves begin their vibrant transformation. September truly encapsulates the beauty of seasonal change in Ostrava, making it an engaging time to explore the city's rich culture and outdoor landscapes.
In September, Ostrava experiences a notable shift in precipitation patterns, recording 103 mm (4.1 in) of rainfall over 13 days. This amount marks a slight decrease from the wetter months of August, yet it still highlights a consistent trend of increased rainfall as the region transitions into autumn. Despite fewer precipitation days compared to the peak summer months, the early fall continues to deliver significant moisture, which is crucial for nurturing the lush landscapes of the Czech Republic. As the year progresses, September stands out as a balancing point, ensuring that the city remains vibrant and green before yielding to the drier months ahead.
In Ostrava, the September humidity reflects a subtle transition as the summer warmth lingers, with levels hovering around 67%. This slight uptick from the drier months of July and August indicates the onset of autumn, which brings a touch more moisture to the air. Notably, September serves as a bridge, trailing behind the summer's lowest humidity levels while dipping ahead of the wetter conditions typical in the later months. As temperatures fall, humidity levels in October sharply rise to 83%, signposting the approaching chill of winter. Overall, September's humidity marks the beginning of a seasonal shift, balancing the last remnants of summer's dryness with the gradual return of moisture.
As September rolls into Ostrava, the UV Index sustains a high level of 6, offering a sharp reminder of the lingering summer sun. Following the peaks of July and August, which both reached a very high level of 8, there's a slight decrease, yet caution is still advised, with a recommended burn time of just 25 minutes. This transition marks a trend of gradually diminishing UV levels as autumn approaches, leading into October's moderate index of 4. Throughout the year, the UV exposure varies significantly, emphasizing the importance of awareness and protection, especially during the summer months. For those seeking to stay informed about UV levels and safety measures, detailed information can be found at Ostrava UV Index.
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September in Ostrava, Czech Republic, shines with a delightful 310 hours of sunshine, marking a gentle transition into autumn. As the summer warmth begins to wane, this month still holds onto a vibrant luminosity, significantly brighter than the earlier months of the year. In fact, September maintains a noteworthy position between the height of summer and the onset of cooler days, showcasing a drop from the peak of July's 429 hours but a notable retention compared to the colder months that follow. This trend encapsulates the essence of the season—where the lingering warmth of summer meets the crisp air of fall, creating a picturesque backdrop perfect for outdoor activities and exploration in this charming city.
In Ostrava, September marks a delightful transition into autumn, showcasing a 42% chance of sunny weather. This figure stands out as one of the higher probabilities for the year, following the summer months, particularly June, which boasts a peak at 51%. Interestingly, after the warmth of July and August, where chances dip slightly to 40% and 35% respectively, September offers a refreshing boost in sunny potential before the cooler October sets in at 49%. This trend indicates a gradual increase in sunshine after the summer highs, making September a wonderful time for outdoor activities in the area.
As summer fades into autumn, September in Ostrava brings a gentle transition in daylight duration. With approximately 12 hours of daylight, the month heralds the gradual shortening of days that began in the vibrant summer months of June and July, each basking in 15+ hours of sunlight. Following the lush landscapes of May and April, when days stretched up to 15 and 13 hours respectively, September signals a shift towards an earlier dusk, reminiscent of the 10-hour glow of October that lies ahead. This trend underscores a steady decline in sunlight as the year progresses, inviting a cozy embrace of autumn as nature prepares for the winter months that follow.
As September rolls in, the winds in Ostrava, Czech Republic, begin to calm down slightly, with an average speed of 2.5 m/s (6 mph). This marks a gentle transition from the slightly breezier summer months, where wind speeds peaked at 2.6 m/s (6 mph) in August. Historically, the briskest winds are found earlier in the year, notably in October, which boasts an average of 3.8 m/s (9 mph). The shifting trends reveal a pattern where spring and early autumn months step up with higher velocities, while the height of summer brings a respite from strong gusts, creating a uniquely tranquil atmosphere as the seasons change.
The weather in Ostrava changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of September's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Ostrava and find detailed weather information for every month.
September and January present strikingly contrasting weather patterns. In September, temperatures can range from a chilly 1°C (34°F) at night to a warm 30°C (87°F) during the day, with an average of 15°C (59°F). The month experiences a moderate amount of precipitation, totaling 103 mm (4.1 in) over around 13 days, and a humidity level of 67%. In contrast, January is much colder, with daytime highs only reaching up to 11°C (52°F) and nighttime lows plummeting to -18°C (0°F). The average temperature sits at a frigid 0°C (31°F), and although January sees less precipitation—44 mm (1.7 in) over around 12 days—its humidity level is higher at 90%. For more details on the winter climate, visit Ostrava weather in January.
September and February showcase starkly contrasting weather patterns. In September, temperatures range from a pleasant 1°C (34°F) at night to a warm 30°C (87°F) during the day, with an average of 15°C (59°F). The month experiences 103 mm (4.1 in) of precipitation spread over about 13 days, along with a moderate humidity level of 67%. In contrast, February presents a much chillier climate, with nighttime lows plunging to -18°C (0°F) and an average temperature of just 1°C (34°F). The month sees less precipitation at 57 mm (2.2 in) over 12 days, but a higher humidity of 87%. For a more detailed look at February weather, you can check Ostrava weather in February.
September and March present strikingly different weather patterns. In September, temperatures range from a minimum of 1°C (34°F) to a maximum of 30°C (87°F), offering an average of 15°C (59°F). This month features a relatively high humidity of 67% and experiences 103 mm (4.1 in) of precipitation over 13 days. In contrast, March is much cooler, with temperatures ranging from a low of -20°C (-4°F) to a high of 20°C (69°F) and an average of only 4°C (40°F). The humidity is noticeably higher at 83%, but it sees less rainfall, totaling 52 mm (2.0 in) over 12 days. For more information on the weather in March, you can visit Ostrava weather in March.
In comparing the weather between September and April, notable differences emerge. September boasts warmer average temperatures, ranging from a chilly 1°C (34°F) at night to a peak of 30°C (87°F) during the day, while April experiences cooler conditions with minimums of -6°C (22°F) and maximums reaching only 27°C (80°F). Additionally, September is characterized by higher precipitation levels, with 103 mm (4.1 in) over 13 days, compared to April's 60 mm (2.4 in) across just 10 days. The humidity in April is slightly higher at 76%, compared to September's 67%. For a more detailed overview of April weather in Ostrava, visit Ostrava weather in April.
In comparing the weather of September and May, both months showcase a range of temperatures and precipitation patterns, although they differ significantly in their overall feel. September experiences a wider range in temperature, with a minimum of 1°C and a maximum reaching up to 30°C, while May sees slightly cooler temperatures, with a minimum of -2°C and a maximum of 29°C. Both months receive comparable amounts of precipitation—103 mm in September and 101 mm in May—but September has fewer rainy days at 13 compared to May's 16. Humidity levels are also similar, with September at 67% and May at 70%. For more detailed information about weather specifics in May, you can check Ostrava weather in May.
In comparing the weather of September and June, September tends to feature a broader range of temperatures, with minimums dropping to 1°C (34°F) and maximums reaching up to 30°C (87°F). In contrast, June experiences milder minimum temperatures at 5°C (41°F) and slightly higher maximums peaking at 32°C (90°F). Precipitation levels in September are somewhat higher, totaling 103 mm (4.1 in) over 13 days, compared to June's 86 mm (3.4 in) across 14 days. Humidity levels are also notable, with September averaging 67% and June slightly higher at 71%. Overall, June provides a warmer and somewhat drier climate, while September showcases a more varied range of temperatures and higher rainfall. For more details on June weather, visit Ostrava weather in June.
When comparing the weather in September and July, there are some notable differences. July tends to be warmer, with average temperatures around 19°C (67°F) and highs reaching up to 35°C (95°F), while September sees averages drop to 15°C (59°F) with a maximum of 30°C (87°F). Additionally, July has slightly less precipitation, at 92 mm (3.6 in) over 14 days, compared to September's 103 mm (4.1 in) over 13 days. However, both months share the same humidity level of 67%. For a more detailed look at July's weather patterns, check out Ostrava weather in July.
In comparing the weather of September and August, September experiences cooler temperatures, with a minimum of 1°C and an average of 15°C, compared to August’s minimum of 7°C and average of 20°C. The maximum temperatures in September reach 30°C, slightly lower than August's peak of 33°C. Precipitation levels are comparable, with September receiving 103 mm over 13 days, while August has 112 mm over 14 days. Interestingly, September has a slightly higher humidity of 67% compared to August's 64%. For more details about August's weather, visit Ostrava weather in August.
In September, temperatures in Ostrava typically range from a minimum of 1°C (34°F) to a maximum of 30°C (87°F), with an average of 15°C (59°F). The month experiences significant precipitation, totaling 103 mm (4.1 in) over 13 days, and the humidity stands at 67%. In contrast, October sees a drop in temperatures, with a minimum of -2°C (28°F) and an average of 10°C (51°F), reaching a maximum of 24°C (76°F). Precipitation is slightly lower, at 84 mm (3.3 in) over 11 days, and humidity rises to 83%. For more detailed information, you can visit Ostrava weather in October.
September weather is characterized by a wider temperature range, with nighttime lows around 1°C (34°F) and daytime highs reaching up to 30°C (87°F), resulting in an average temperature of 15°C (59°F). This month experiences relatively high humidity at 67% and substantial rainfall of 103 mm (4.1 in) over about 13 days. In contrast, November brings cooler temperatures, featuring a minimum of -8°C (17°F), an average of 6°C (43°F), and a maximum of 19°C (66°F), indicating a significant drop in warmth. Precipitation decreases to 49 mm (1.9 in) over 9 days, but humidity rises to 90%, making the air feel quite damp. For more information on November weather in Ostrava, visit Ostrava weather in November.
September and December showcase stark contrasts in weather patterns. In September, temperatures range from a pleasant 1°C (34°F) at night to a warm 30°C (87°F) during the day, accompanied by an average temperature of 15°C (59°F). The month sees roughly 103 mm (4.1 in) of precipitation over 13 days, with humidity levels sitting at a comfortable 67%. In contrast, December offers a much chillier experience, with temperatures dipping to a minimum of -11°C (12°F) and peaking at a milder 14°C (58°F), averaging just 1°C (35°F). With 68 mm (2.7 in) of precipitation spread over 14 days and increased humidity at 91%, December feels much colder and wetter. For more specific details about December weather in Ostrava, you can check out Ostrava weather in December.
As summer bids farewell, September in Ostrava brings a delightful transition characterized by moderate temperatures and increased rainfall. Unlike the intense heat of July and August, September offers a more temperate average, providing a refreshing change. However, the 13 days of precipitation can make it one of the wetter months, paired with a humidity level of 67% that keeps the air feeling rich and full. With its unique blend of warm days and cool evenings, September sets the stage for a picturesque autumn in Ostrava, making it an ideal time for outdoor explorations. For a deeper dive into the patterns and nuances of the weather, check out the comprehensive details at Ostrava Climate.