Last updated: April 1, 2025
September in Prague, Czech Republic, offers a vibrant blend of weather experiences as summer transitions to autumn. With a maximum temperature reaching 31°C (87°F), visitors can still enjoy warm days, while the average cools down to a comfortable 15°C (60°F). However, the month can also bring a chill, with nighttime temperatures dipping to a minimum of 0°C (33°F). Precipitation is common, with around 60 mm (2.4 in) accumulating over approximately 9 days, and humidity levels hovering at a notable 82%, contributing to the city's lush and picturesque scenery. This dynamic weather makes September an intriguing time to explore Prague's rich history and stunning architecture.
As September rolls into Prague, the city's temperatures begin to showcase a delightful shift, marking the transition from the sweltering summer months to the cooler embrace of autumn. With minimum temperatures settling around 0°C (33°F) and averaging a comfortable 15°C (60°F), visitors can enjoy the city's vibrant fall foliage without the oppressive heat of summer. The maximum daytime highs can still reach up to 31°C (87°F), allowing for plenty of opportunities to explore the historic streets and enjoy outdoor cafes. This perfect blend of cool mornings and warm afternoons creates a charming atmosphere—ideal for strolling along the Vltava River or savoring the last bits of summer's sun in one of Prague's many picturesque parks.
September in Prague experiences moderate precipitation, with an average rainfall of 60 mm (2.4 in) across approximately 9 days. This month is a transition between the lush, rainier summer and the cooler, drier autumn. Compared to August's hefty 79 mm (3.1 in), September sees a decrease in total rainfall, yet it maintains a vibrant atmosphere as the city begins to don its autumn colors. As the days grow shorter and cooler, the gradual shift in weather brings a refreshing crispness, making Prague's charming streets perfect for leisurely strolls—even if a light drizzle occasionally interrupts the walk.
As summer fades into autumn, September in Prague maintains a comfortable humidity level of 82%, mirroring the balmy days of August. This slight consistency from the previous month suggests that while the air remains relatively moist, the transition to fall begins to settle in. In the broader context, humidity levels are noticeably higher during the winter months, peaking at 91% in January and 92% in December. Conversely, the spring months witness a gradual decline, with levels dropping to a refreshing 76% in May, before climbing again in summer and early autumn. Thus, September stands as a gentle bridge between the vibrant summer and the crispness of fall, reflecting a balance in the city's atmospheric dance.
As September arrives in Prague, the UV Index settles at a high level of 6, with a burn time of just 25 minutes. This indicates a noticeable decline from the peak summer months, yet sun protection remains vital. After experiencing the very high indices of 8 in July and June, the decrease in UV levels during September opens a window for outdoor enthusiasts to enjoy the early autumn sun—just remember, the risk of harm is still significant. This trend continues into the cooler months, with October dropping to a moderate 4. For those eager to explore Prague under the autumn sky, staying informed about the Prague UV Index ensures a safe and enjoyable experience.
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As summer gently hands its baton to autumn, September in Prague is a delightful mix of warm days and cooler nights, boasting an impressive 307 hours of sunshine. This marks a graceful decline from the sun-drenched days of July, which sees the year’s peak at 428 hours. While the month retains a vibrant warmth, it also signifies a shift, tapering off from the sun-soaked heights of summer. August holds onto 380 hours, yet the crisp arrival of September beckons the beauty of fall, offering a picturesque backdrop of colorful foliage bathed in soft sunlight. As daylight gradually wanes into October's 256 hours, September captures the essence of a city transitioning beautifully, merging the warmth of summer with the promise of autumn's charm.
As the summer gives way to autumn, September in Prague brings a promising 41% chance of sunny weather, making it one of the more favorable months for sunshine. This slight uptick in sunny days compared to the preceding summer months, which hover around 30-36%, showcases a seasonal transition where the warm glow of summer still lingers. Interestingly, the chance of sunshine further increases into October, hitting 43%, indicating that while September may bid farewell to summer, it doesn’t shy away from offering delightful sunny spells. With these trends, September stands out as a sweet spot for those looking to enjoy the charm of Prague under the sun.
September in Prague marks a gentle transition towards autumn, as daylight duration begins to wane. With 12 hours of sunlight, the city enjoys a moderate glow that reflects the fading warmth of summer. This month’s daylight hours show a notable decrease from the brilliant 15 hours seen in May and 16 hours in June, signaling a shift towards shorter days. The trend of gradually shortening daylight continues into October and November, contrasting sharply with the longer days of spring and summer. As the days grow cooler and the sunlight lessens, Prague’s vibrant autumn colors come to life, creating a picturesque backdrop for both locals and visitors alike.
As September arrives in Prague, the winds begin to soften, with an average speed of 2.3 m/s (5 mph), making it one of the calmer months of the year. This gentle breeze marks a noticeable shift from the slightly brisker spring and summer winds, which hover around 3.0 m/s to 3.6 m/s. The transition into autumn brings a more tranquil atmosphere, allowing visitors to enjoy the rich colors of the changing leaves without the interference of strong gusts. Interestingly, while December winds pick up to 3.1 m/s, they remain consistently milder compared to the lively spring. This trend highlights the unique charm of Prague in September, where the cool, crisp air enhances the city's serene beauty.
The weather in Prague 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 Prague and find detailed weather information for every month.
September and January present stark contrasts in weather patterns. In September, temperatures range from a minimum of 0°C (33°F) and can rise to a maximum of 31°C (87°F), with an average of 15°C (60°F). The month experiences about 60 mm (2.4 in) of precipitation over approximately 9 days, all while maintaining a humidity level of 82%. In contrast, January is much colder, with temperatures dropping to a minimum of -16°C (4°F) and peaking at 13°C (56°F), resulting in an average of just 1°C (33°F). Precipitation is lower at 38 mm (1.5 in) over 10 days, but humidity increases to 91%. For more details on the winter climate, check out Prague weather in January.
September and February in Prague present two dramatically different weather profiles. In September, temperatures range from a mild 0°C (33°F) at night to a warm 31°C (87°F) during the day, with an average of 15°C (60°F). The month experiences around 60 mm (2.4 in) of precipitation spread over nine days, with humidity levels at a comfortable 82%. In contrast, February is characterized by much colder conditions, with temperatures dipping as low as -22°C (-8°F) at night and achieving a maximum of 16°C (62°F), averaging only 2°C (36°F). February also sees slightly less precipitation at 45 mm (1.8 in), maintaining a high humidity of 89%. The distinct seasonal shifts highlight the transition from the warmth of early autumn to the depths of winter. For more details on February weather, check out Prague weather in February.
When comparing the weather in September and March, it's clear that both months present distinct conditions. September experiences a more moderate temperature range, with a minimum of 0°C (33°F), an average of 15°C (60°F), and a maximum of 31°C (87°F), making it warmer overall. In contrast, March is much cooler, with temperatures ranging from a chilling -13°C (9°F) to a mild 21°C (71°F) on average, reflecting the transition from winter to spring. Precipitation is somewhat frequent in both months, with September receiving 60 mm (2.4 in) over 9 days and March totaling 47 mm (1.8 in) over 11 days. Humidity levels are relatively high in both months, with March slightly higher at 87% compared to September's 82%. For more detailed information on weather in March, you can visit Prague weather in March.
In September, the weather tends to be warmer compared to April, with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 31°C (87°F) and an average temperature of 15°C (60°F). In contrast, April features cooler temperatures, with a minimum of -6°C (21°F) and a maximum of 26°C (80°F), averaging around 9°C (49°F). While both months exhibit similar humidity levels at 82%, September experiences more precipitation with 60 mm (2.4 in) spread over 9 days, compared to April's 36 mm (1.4 in) over 8 days. For a detailed look at the weather in April, visit Prague weather in April.
In comparing the weather of September and May, it’s evident that both months experience mild temperatures, though September tends to be slightly warmer overall, with average highs reaching 31°C (87°F) compared to May's max of 30°C (86°F). September exhibits a broader range, with temperatures reaching a minimum of 0°C (33°F) and an average of 15°C (60°F), while May's average is slightly cooler at 14°C (57°F) and a minimum of 0°C (32°F). Precipitation is more frequent in May, with 15 days of rain accumulating to 88 mm (3.5 in), compared to September’s 60 mm (2.4 in) over 9 days. Additionally, humidity levels are relatively high in both months, but slightly higher in September at 82%, compared to 76% in May. For more detailed information, you can check Prague weather in May.
In September, temperatures in Prague range from a chilly minimum of 0°C (33°F) to a warm average of 15°C (60°F), peaking at 31°C (87°F). The month typically sees about 60 mm (2.4 in) of precipitation over 9 days, accompanied by a relatively high humidity level of 82%. In contrast, June offers a milder climate with minimum temperatures around 5°C (41°F) and an average of 19°C (67°F), reaching highs of 36°C (96°F). June experiences slightly more rainfall at 88 mm (3.5 in) across 11 days, and the humidity is marginally lower at 80%. For a closer look at the weather specifics, check out Prague weather in June.
When comparing the weather in September and July, we observe notable differences in temperature and precipitation. September experiences a wider temperature range, with minimums dipping to 0°C (33°F) and maximums reaching up to 31°C (87°F), whereas July maintains a milder minimum of 9°C (48°F) and can soar to 35°C (96°F). The average temperature in September is also cooler at 15°C (60°F) compared to July's warmer average of 20°C (68°F). Additionally, September has slightly less precipitation at 60 mm (2.4 in) over 9 days, while July registers 65 mm (2.6 in) over 12 days. Both months boast high humidity levels, with September at 82% and July slightly lower at 80%. For more specific insights, you can explore the details on Prague weather in July.
In comparing the weather of September to August, September demonstrates a noticeable drop in temperature, with minimums reaching 0°C (33°F) compared to August's minimum of 7°C (45°F). The average temperature in September is also cooler at 15°C (60°F) versus 20°C (69°F) in August. While both months have high humidity at 82%, September experiences slightly less precipitation, totaling 60 mm (2.4 in) over 9 days, compared to August's 79 mm (3.1 in) over 12 days. For more detailed insights on the weather in August, you can visit Prague weather in August.
In September, the weather is generally warm, with daytime temperatures rising to a maximum of 31°C (87°F) and an average of 15°C (60°F). The month sees about 60 mm (2.4 in) of precipitation spread over 9 days, accompanied by relatively high humidity of 82%. In contrast, October brings cooler temperatures, with maximums of only 24°C (75°F) and an average of 11°C (51°F), while the minimum can dip to -2°C (29°F). Precipitation remains similar at 59 mm (2.3 in) over 10 days and humidity increases slightly to 87%. For more information, check out Prague weather in October.
September and November offer contrasting weather experiences. In September, temperatures range from a pleasant minimum of 0°C (33°F) to a warm maximum of 31°C (87°F), with an average of 15°C (60°F). The month receives about 60 mm (2.4 in) of precipitation over 9 days, accompanied by a humidity level of 82%. In stark contrast, November sees much colder temperatures, with a minimum of -6°C (21°F) and a cooler average of 5°C (42°F), only peaking at 18°C (65°F). Although precipitation is lower at 39 mm (1.5 in), it also occurs over 9 days, and the humidity rises slightly to 89%. For more detailed information, you can explore Prague weather in November.
In September, the weather in Prague presents a warm and variable climate, with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 31°C (87°F) and an average of 15°C (60°F). The month sees around 60 mm (2.4 inches) of precipitation over approximately 9 days, accompanied by a comfortable humidity level of 82%. In contrast, December brings a significant drop in temperatures, with minimums reaching -7°C (19°F) and maximums of only 12°C (54°F), resulting in an average temperature of 2°C (37°F). Precipitation decreases slightly to 49 mm (1.9 inches) across 11 days, with a higher humidity level of 92%. For more details about the winter weather, you can visit Prague weather in December.
As September arrives in Prague, the city's weather begins to transition from the warmth of summer to the crispness of autumn. With maximum temperatures reaching a comfortable 31°C (87°F), the month offers pleasant days, yet cool nights can dip to around 0°C (33°F), marking a distinct change compared to the hotter months. The average temperature of 15°C (60°F) provides a delightful balance for outdoor explorations, although the rise in humidity at 82% can make the air feel more substantial, particularly during rainy days that count for about nine throughout the month. Overall, September is a unique time in Prague—a beautiful blend of lingering warmth and the fresh scent of fall. For more detailed insights on the city's weather patterns, check out Prague Climate.