Last updated: April 1, 2025
September in Liberec, Czech Republic, presents a captivating blend of late summer warmth and early autumn chill. With a maximum temperature reaching a pleasant 29°C (84°F) and an average of 14°C (57°F), this month offers a comfortable climate for outdoor activities. However, the weather can be unpredictable, with minimum temperatures dipping to -1°C (31°F). Rainfall is not uncommon, as the city experiences 79 mm (3.1 in) of precipitation over 12 days, contributing to the region's lush greenery. Humidity levels hover around 81%, accentuating the crispness in the air as the leaves begin to change. September in Liberec is truly a time of transition, perfect for witnessing the beauty of nature’s transformation.
In September, Liberec, Czech Republic experiences a delightful transition into autumn, marked by crisp air and vibrant foliage. As summer warmth wanes, temperatures range from a chilly -1°C (31°F) at night to a pleasant max of 29°C (84°F) during the day, creating a comfortable average of 14°C (57°F). This month stands out as the last opportunity to enjoy relatively warmer weather before the colder months set in, with a noticeable drop from the highs of summer that often reached the low 30s. The gentle cooling invites outdoor activities, making September a perfect time for exploring the scenic surroundings while the changing leaves provide a picturesque backdrop.
In September, Liberec experiences a moderate precipitation level of 79 mm (3.1 in) over the month, marking a slight decrease from the heavy rains of August, which delivered 125 mm (4.9 in). Rainfall in September typically spans 12 days, offering a balanced mix of sunny and showery weather as summer transitions to autumn. This month often serves as a precursor to the wetter fall months, with October averaging 94 mm (3.7 in). As the temperatures drop, the city’s lush landscapes benefit from the consistent moisture, setting the stage for a vibrant autumnal display while still allowing for enjoyable days outdoors.
As the summer wanes and September arrives in Liberec, Czech Republic, the humidity begins to stabilize at 81%, marking a shift from the higher levels experienced in the peak months. This slight increase from August's 76% suggests a transition toward the wetter autumn months. Throughout the year, humidity levels show a general trend of declining from the frigid highs of 90% in January to a low of 71% in May, before gradually climbing again into the autumn and winter. Such fluctuations reflect Liberec's distinct seasonal changes, where the crispness of fall is heralded by a moderate, yet noticeable increase in atmospheric moisture.
In September, Liberec experiences a UV Index of 6, indicating a high level of sun exposure that requires caution. As the summer months fade, the burn time remains consistent at 25 minutes, a reminder that even as temperatures cool, UV radiation can still pose a risk. This trend marks a slight decline from the intensely very high levels seen in July and June, which had an Index of 8. However, it's essential for residents and visitors to remain vigilant during this transitional month, as significant sun exposure can still occur. For detailed information on UV levels throughout the year, check out the Liberec UV Index.
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As summer gracefully bows out, September in Liberec, Czech Republic, continues to bask in the warm glow of sunshine, offering an impressive 314 hours of daylight. This month marks a noteworthy transition, trailing behind the sun-soaked heights of July and June, which boast the highest sunshine hours at 423 and 403 respectively. While September sees a reduction compared to the summer months, it still enjoys significantly more sunlight than the chillier winter months such as January and December, which only accumulate 114 and 135 hours. This gradual shift towards autumn is softened by the lingering light, creating a perfect backdrop for outdoor activities amidst the changing foliage, making September a delightful time to experience the beauty of Liberec.
As September rolls into Liberec, residents and visitors are met with a moderate likelihood of sunny weather, boasting a 37% chance of sunshine—a delightful improvement from the early months of the year. This level of sunshine aligns with the seasonal stability observed in October, suggesting a pleasantly consistent pattern as summer transitions into autumn. Notably, September stands out as a peak month for sun, alongside March, hinting at a climatic sweet spot before the chill of winter sets in. With a balance of warmth and brightness, this month provides the perfect backdrop for outdoor activities and enjoying the natural beauty of the region.
As summer fades into autumn in Liberec, Czech Republic, September brings a shift in daylight duration, showcasing an intriguing transition. After basking in the 16 hours of sunlight during the peak of June, the daylight gradually tapers to 12 hours by September, reflecting the onset of shorter days. This month serves as a bridge between the vibrant, sun-soaked days of summer and the more subdued, cloudy hours of autumn. Following September, daylight diminishes further, dropping to just 10 hours in October, mirroring the seasonal changes that herald the arrival of cooler temperatures and the enchanting hues of fall foliage. Through this gradual decrease, September stands out as a time for reflection and appreciation of the lingering warmth before winter sets in, making it a unique month in Liberec’s annual rhythm.
As September rolls into Liberec, the gentle whispers of the wind signal the transition from summer to fall. With an average wind speed of 2.5 m/s (6 mph), this month sees a modest increase compared to the stillness of August. Throughout the year, wind speeds tend to fluctuate, typically peaking in the spring months and then dipping during the warmer summer season. September offers a breath of fresh air as it inches closer to October, where winds pick up again to around 3.5 m/s (8 mph). This subtle but noticeable shift not only reflects the changing seasons but also invites the community to engage with the outdoors, as cooler breezes hint at autumn's arrival.
The weather in Liberec 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 Liberec and find detailed weather information for every month.
September and January present strikingly different weather conditions. In September, temperatures can range from a chilly -1°C (31°F) at night to a warm 29°C (84°F) during the day, with an average of 14°C (57°F). The month experiences about 79 mm (3.1 in) of precipitation over approximately 12 days, and humidity levels hover around 81%. In contrast, January is much colder, with temperatures dipping to a minimum of -17°C (1°F) and averaging -1°C (31°F). Daytime highs reach only 12°C (53°F), and with 72 mm (2.9 in) of precipitation over 15 days, the month is slightly wetter, and humidity rises to 90%. For more specifics about January weather, you can refer to Liberec weather in January.
In September, the weather in Liberec is typically much milder, with temperatures ranging from a minimum of -1°C (31°F) to a maximum of 29°C (84°F), and an average of 14°C (57°F). The month sees about 79 mm (3.1 in) of precipitation over approximately 12 days, accompanied by a humidity level of 81%. In contrast, February experiences much colder conditions, with temperatures dipping as low as -17°C (2°F) and averaging around 0°C (33°F), peaking at 14°C (57°F). Precipitation is slightly less at 73 mm (2.9 in) for 11 days, and the humidity is higher at 89%. For a more detailed look at the cold February weather, visit Liberec weather in February.
When comparing the weather in September and March, it's clear that there are significant differences in both temperature and precipitation. September tends to be much warmer, with average temperatures around 14°C (57°F) and maximums reaching up to 29°C (84°F). In contrast, March has a much cooler average temperature of 3°C (38°F) and can drop to a biting minimum of -16°C (3°F).
In terms of precipitation, September sees 79 mm (3.1 in) of rain over approximately 12 days, whereas March has slightly lower rainfall at 68 mm (2.7 in) spread across 14 days. Humidity is also notably high in both months, with March having a slightly higher average of 87% compared to September's 81%. For more details about the specific conditions in March, you can check Liberec weather in March.
In comparing the weather between September and April, we see notable differences in temperature and precipitation. September features a wider temperature range, with minimums of -1°C (31°F) and maximums reaching up to 29°C (84°F), resulting in a comfortable average of 14°C (57°F). In contrast, April tends to be cooler, with a minimum of -7°C (19°F) and a maximum of 24°C (76°F), yielding an average of only 8°C (46°F). Additionally, September experiences more precipitation with 79 mm (3.1 in) over about 12 days, compared to April's 45 mm (1.8 in) over 10 days. Both months have a similar humidity level of 81%. For more detailed information, you can check Liberec weather in April.
In comparing the weather of September and May, both months start with cool temperatures, featuring a minimum of around -1°C (31°F). September tends to have a slightly warmer average temperature of 14°C (57°F) and can peak at a maximum of 29°C (84°F), while May's average is a bit lower at 12°C (54°F) with a maximum of 28°C (82°F). Precipitation levels in September are more moderate at 79 mm (3.1 in) over 12 days, compared to May's higher precipitation of 92 mm (3.6 in) over 14 days, leading to a slightly more humid experience in September at 81% versus May's 71%. For more detailed insights, you can check Liberec weather in May.
In comparing the weather of September and June, September tends to be cooler, with average temperatures ranging from a minimum of -1°C (31°F) to a maximum of 29°C (84°F), while June sees warmer temperatures, with a range from a minimum of 2°C (35°F) to a maximum of 33°C (91°F). September experiences slightly less precipitation at 79 mm (3.1 in) over 12 days, compared to June's 92 mm (3.6 in) over 13 days. Additionally, September has higher humidity levels at 81%, while June's humidity is relatively lower at 75%. For a more detailed view of June weather specifics, check out Liberec weather in June.
September and July exhibit distinct weather patterns, reflecting the transition from summer to fall. July is generally warmer, with average temperatures around 18°C (64°F) and maximums reaching up to 33°C (92°F), while September cools down to an average of 14°C (57°F) and peaks at 29°C (84°F). Precipitation is slightly higher in July, totaling 91 mm (3.6 in) over 14 days, compared to September's 79 mm (3.1 in) across 12 days. Additionally, humidity levels are a bit lower in July at 74%, compared to September's 81%, making July feel warmer and a touch more comfortable. For more details on the summer weather in Liberec, refer to Liberec weather in July.
In comparing the weather of September to August, we see a notable drop in temperatures as September experiences a minimum of -1°C (31°F) and an average of 14°C (57°F), compared to August's milder minimum of 5°C (42°F) and average of 18°C (65°F). The maximum temperature in September reaches 29°C (84°F), which is still warm, but lower than August’s peak of 32°C (90°F). Additionally, September sees an increase in precipitation with 79 mm (3.1 in) over 12 days, while August, though wetter overall with 125 mm (4.9 in) across 14 days, has slightly lower humidity at 76% compared to September’s 81%. For a more detailed look at August weather specifically, visit Liberec weather in August.
September and October present a notable shift in weather patterns. In September, temperatures range from a mild minimum of -1°C (31°F) to a maximum of 29°C (84°F), with an average of 14°C (57°F). The month sees 79 mm (3.1 in) of precipitation over 12 days and a humidity level of 81%. In contrast, October experiences colder temperatures, with a minimum of -4°C (26°F), an average of 9°C (49°F), and a maximum of 22°C (71°F). Additionally, the precipitation increases slightly to 94 mm (3.7 in), also spread over 12 days, while humidity ascends to 85%. For more details, check out Liberec weather in October.
In September, the weather typically features a more varied temperature range, with minimums around -1°C (31°F) and maximums reaching up to 29°C (84°F), resulting in a mild average of 14°C (57°F). This month also sees relatively high humidity at 81% and about 79 mm (3.1 in) of precipitation spread across 12 days. In contrast, November brings a noticeable drop in temperatures, with averages around 4°C (40°F), minimums dipping to -6°C (21°F), and a maximum of only 16°C (60°F). The precipitation in November is lower at 52 mm (2.0 in), occurring on 11 days, and features slightly higher humidity at 88%. For more detailed information about November weather, you can visit Liberec weather in November.
September showcases a much milder climate compared to December, with temperatures ranging from a chilly minimum of -1°C (31°F) to a warm maximum of 29°C (84°F) and an average of 14°C (57°F). In contrast, December experiences much colder conditions, with temperatures dropping to a frigid minimum of -13°C (9°F) and only reaching a maximum of 10°C (50°F), resulting in a stark average of just 1°C (34°F). Additionally, while September sees a moderate amount of rainfall at 79 mm (3.1 in) over 12 days, December has slightly higher precipitation levels at 86 mm (3.4 in) spread over 16 days, coupled with an increase in humidity levels from 81% in September to 92% in December. For more details on the chilling weather conditions of December, visit Liberec weather in December.
As September approaches, Liberec transitions into a month marked by fluctuating temperatures and increased humidity, setting it apart from the hot summer months. With a delightful average temperature of 14°C (57°F) and the occasional warm day reaching up to 29°C (84°F), the weather invites both locals and visitors to enjoy the beautiful autumn scenery. However, don't forget your umbrella, as September sees about 12 days of rainfall, contributing to a total precipitation of 79 mm (3.1 in). The distinct coolness at night, dropping to a minimum of -1°C (31°F), signals the impending autumn, making it a unique blend of summer's lingering warmth and autumn's crispness. For more in-depth insights, explore our full guide on the Liberec Climate.