September Weather in Marianske Lazne, Czech Republic

Last updated: April 1, 2025

In September, Marianske Lazne, Czech Republic experiences a delightful transition into autumn, with maximum temperatures reaching a warm 28°C (83°F) while the average settles around a mild 13°C (56°F). The month can bring a touch of chill, as minimum temperatures occasionally dip to -1°C (30°F). During this time, 54 mm (2.1 in) of precipitation typically falls over 9 days, contributing to an overall humidity level of 82%. This blend of warmth and moisture creates a refreshing atmosphere, making it an ideal period for both outdoor enthusiasts and tranquility seekers in this picturesque spa town.

September Temperature in Marianske Lazne

As summer fades into autumn, Marianske Lazne experiences a notable shift in temperatures throughout September. With a minimum of -1°C (30°F), the month starts to embrace the cooler characteristics of fall, though daytime highs can still reach a pleasant 28°C (83°F). The average temperature settles at 13°C (56°F), creating a perfect balance for exploring the city's renowned spa culture and beautiful landscapes. This transitional period showcases the last warm days before the crispness of October takes hold, making September an ideal time to enjoy both the lingering warmth and the first hints of autumn's chill.

September Weather in Marianske Lazne: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Marianske Lazne, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec303338465363646456483834
Data source: Temperature data for Marianske Lazne generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Marianske Lazne

In September, Marianske Lazne experiences a moderate level of precipitation, with 54 mm (2.1 in) of rain falling over approximately 9 days. This marks a slight decrease from the heavier rains of earlier summer months, such as May and August, which both recorded higher totals of 83 mm (3.3 in) and 78 mm (3.1 in), respectively. The transition into autumn is marked by a noticeable drop in precipitation days compared to the peak summer months, creating a brief respite before the wetter months of the year return. Overall, September's weather is indicative of the gradual shift toward cooler temperatures and more variable conditions, as the region prepares for the upcoming fall season.

September Precipitation Trends in Marianske Lazne

The chart displays monthly precipitation patterns in Marianske Lazne, with values for each month alongside September's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec515059368377737854523668
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Marianske Lazne

In September, Marianske Lazne experiences a return to slightly higher humidity levels, maintaining a comfortable 82%. This aligns with the consistent pattern observed over the warmer months of July and August, where humidity hovered around the same figure. As summer transitions into autumn, the moisture in the air begins to rise again, mirroring conditions seen at the start of the year in January (91%) and February (89%). However, September’s levels represent a slight easing compared to the peak humidity of the summer months, offering a refreshing ambiance that prepares the charming Czech spa town for the cooler fall season ahead. The gradual fluctuations in humidity throughout the year showcase Marianske Lazne's dynamic climate, drawing visitors who appreciate both its therapeutic qualities and serene beauty.

September Average Humidity in Marianske Lazne

This chart illustrates the average monthly humidity levels in Marianske Lazne, with September's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how September's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%87%82%76%80%80%82%82%87%89%92%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Marianske Lazne

In September, the UV Index in Marianske Lazne settles at a high level of 6, marking a slight decrease from the peak summer months. With a burn time of 25 minutes, it's essential to remain vigilant about sun protection as the days start to shorten. This drop from the intensities of May through August, where the Index soared to 8, suggests a transition towards the milder sun exposure typical of autumn. However, since the UV Index remains significantly above low levels, residents and visitors should continue to be sun smart. For detailed insights on the yearly UV patterns, visit Marianske Lazne UV Index.

Maximum UV Index Levels in Marianske Lazne for September

The chart shows the monthly maximum UV Index (UVI) for Marianske Lazne in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec234688876421
Data source: Marianske Lazne September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

September Sunshine in Marianske Lazne

As summer fades into autumn, September in Marianske Lazne, Czech Republic, offers a delightful blend of sunshine, boasting 302 hours of bright light. This month stands out as a transitional period, showcasing a significant decrease from the sun-drenched peak of July, which shines with 427 hours. While the golden days of summer linger, September serves as a gentle reminder of the cooler months ahead, offering more sun than the chilly October, which follows at 250 hours. With its rich tapestry of sunlight weaving through early autumn, this month captures the essence of change, making it an ideal time to enjoy the scenic beauty of the region.

Monthly Sunshine Duration in Marianske Lazne: September Highlighted

The September sunshine duration represents the total number of hours Marianske Lazne experiences direct sunlight during the month of September, excluding cloudy or obstructed periods. This chart compares the sunshine duration of September with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec101h203h274h345h379h405h427h381h302h250h159h119h
Data source: Marianske Lazne September Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Marianske Lazne During September

As September arrives in Marianske Lazne, the likelihood of sunny weather sees a refreshing boost, with a 38% chance of sunshine similar to March, the sunniest month prior to autumn. This increase marks a notable shift from the plateau of summer months, where the chances of sun dipped into the mid to low twenties. As the warmth of summer gives way to the crispness of fall, September becomes a sweet spot for outdoor activities, offering opportunities to soak in the dwindling rays before the grey tones of October set in. Thus, for those seeking to enjoy the last whispers of summer, September presents an inviting chance for bright, sunny days.

Percentage of Sunny Days in September in Marianske Lazne

The chart illustrates the percentage of sunny days in Marianske Lazne throughout the year, with September highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Marianske Lazne experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec12%29%38%34%27%30%28%26%38%29%10%9%
Data source: Marianske Lazne September chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Marianske Lazne in September

As summer gently transitions into autumn, September in Marianske Lazne greets residents and visitors with approximately 12 hours of daylight. This marks a gradual decrease from the sun-drenched 16 hours enjoyed in June, showcasing the rhythm of the changing seasons. The daylight duration begins to taper off as nature prepares for the cooler months ahead, following a peak in May with a vibrant 15 hours. This evolution not only highlights the beauty of seasonal shifts but also offers a perfect opportunity for locals and tourists to relish the mild autumn days before winter's early onset brings shorter daylight hours in October and November.

Average Daylight Hours in Marianske Lazne for September

The chart illustrates the variation in daylight duration in Marianske Lazne throughout the year, with September highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 35m10h 4m11h 55m13h 48m15h 26m16h 17m15h 50m14h 22m12h 33m10h 41m9h8h 7m
Data source: Marianske Lazne daylight hours, calculated by summing the hours between sunrise and sunset for each day.

September Winds in Marianske Lazne

As September ushers in the transition from summer to autumn in Marianske Lazne, the average wind speed drops to 2.2 m/s (5 mph), reflecting a noticeable calm after the season's livelier breezes. This gentle shift is part of a broader trend, as the winds throughout the warmer months exhibit a steady decrease; June peeks with a slight 2.1 m/s before gradually picking up again in October. While September may feel quieter, it's the perfect time to savor the crisp air and embrace the tranquil beauty of the changing leaves, all under the soft embrace of a soothing breeze. The annual pattern reveals how as temperatures cool, so too do the gusts, inviting visitors to indulge in a serene retreat amidst the picturesque landscape.

Average September Wind Speed in Marianske Lazne

The chart displays monthly wind speed patterns in Marianske Lazne, with values for each month shown alongside September's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how September's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.32.63.03.03.72.12.42.72.2 m/s2.82.93.2
Data source: Marianske Lazne September wind data, generated using information from the Copernicus Climate Change Service.

How September Weather in Marianske Lazne Compares to Other Months

The weather in Marianske Lazne 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 Marianske Lazne and find detailed weather information for every month.

In September, temperatures in Marianske Lazne typically range from a chilly -1°C (30°F) to a warm 28°C (83°F), with an average of 13°C (56°F). The month sees around 54 mm (2.1 in) of precipitation over approximately 9 days, while humidity remains relatively comfortable at 82%. In contrast, January experiences much colder conditions, with temperatures ranging from a frigid -21°C (-5°F) to a maximum of 11°C (52°F), averaging -1°C (31°F). Although the precipitation is somewhat similar at 51 mm (2.0 in), it occurs over more days—about 11. The humidity in January is higher at 91%, contributing to the colder, more biting atmosphere. For further details on the January weather, you can check Marianske Lazne weather in January.

Comparing the weather in September and February reveals striking differences in temperature and conditions. September enjoys a broad temperature range, with minima of -1°C (30°F) and maxima reaching up to 28°C (83°F), creating a mild average of 13°C (56°F). In contrast, February presents a much colder climate, with lows plummeting to -20°C (-4°F) and an average temperature of just 1°C (33°F), peaking at a maximum of 16°C (61°F). Both months see a similar amount of precipitation, with September recording 54 mm (2.1 in) over 9 days and February slightly less at 50 mm (2.0 in) over 11 days. February’s humidity is also higher at 89%, compared to September’s 82%. For more detailed insights, you can visit Marianske Lazne weather in February.

When comparing the weather in September and March, we see notable differences in temperature and conditions. September boasts a milder climate with average temperatures around 13°C (56°F), peaking at a warm 28°C (83°F). In contrast, March experiences much cooler weather, with average temperatures of just 3°C (38°F) and a maximum of 20°C (69°F), leading to sharper fluctuations in temperature. Precipitation levels are slightly higher in March, with 59 mm (2.3 in) over 14 days, compared to September's 54 mm (2.1 in) over 9 days. Additionally, humidity levels are also higher in March at 87%, compared to September's 82%. For more specific details on March weather, you can refer to Marianske Lazne weather in March.

When comparing the weather in September and April, notable differences emerge. September tends to be warmer, with average temperatures reaching 13°C (56°F) and a maximum of 28°C (83°F), while April is cooler, averaging at 8°C (46°F) with a maximum temperature of 25°C (77°F). Precipitation levels are also different; September sees 54 mm (2.1 in) over 9 days, whereas April has less rainfall at 36 mm (1.4 in) across 10 days. Interestingly, both months maintain the same humidity level of 82%, providing similarly humid conditions during this transitional period. For more insights into April's weather, you can visit Marianske Lazne weather in April.

September and May present distinct weather patterns, with both months offering a range of temperatures. In September, temperatures fluctuate from a chilly minimum of -1°C (30°F) to a comfortable average of 13°C (56°F), peaking at a warm 28°C (83°F). The month also experiences 54 mm (2.1 in) of precipitation over approximately 9 days, coupled with a relatively high humidity level of 82%. In contrast, May typically sees temperatures ranging from a minimum of -2°C (29°F) to an average of 12°C (53°F), also reaching a maximum of 28°C (82°F). However, May is characterized by increased rainfall, totaling 83 mm (3.3 in) across about 16 days, while the humidity is slightly lower at 76%. For more specific details on weather during May, you can check Marianske Lazne weather in May.

When comparing the weather in September and June, there are notable differences in temperature and precipitation. September sees a broader temperature range, with minimums dropping to -1°C (30°F) and maximums reaching up to 28°C (83°F), providing an average of 13°C (56°F). In contrast, June offers warmer conditions, with minimums at 2°C (35°F), average temperatures around 17°C (63°F), and maximums peaking at 33°C (92°F).

In terms of precipitation, September receives about 54 mm (2.1 inches) over approximately 9 days, while June has slightly more rain at 77 mm (3.0 inches) across 11 days. Interestingly, the humidity levels are relatively similar, with September at 82% and June at 80%. For more detailed insights, you can check out the Marianske Lazne weather in June.

In comparing the weather in September and July, it is evident that July tends to be the warmest month, featuring an average temperature of 18°C (64°F) and maximums reaching up to 33°C (92°F). In contrast, September offers a cooler climate, with average temperatures around 13°C (56°F) and maximums of only 28°C (83°F). Additionally, July experiences more rainfall, with precipitation totaling 73 mm (2.9 in) across 13 days compared to September's 54 mm (2.1 in) over 9 days. Interestingly, both months have high humidity levels, with September slightly higher at 82% compared to July's 80%. For more detailed insights on July weather, you can visit Marianske Lazne weather in July.

In comparing the weather of September and August, September displays a broader temperature range, with minimums dropping to -1°C (30°F) while averaging around 13°C (56°F) and peaking at 28°C (83°F). In contrast, August is warmer overall, featuring minimum temperatures of 6°C (42°F), an average of 18°C (64°F), and maximums reaching 32°C (90°F). Both months share the same humidity level of 82%, but September experiences slightly less precipitation (54 mm or 2.1 in) over fewer days (9 days) compared to August's 78 mm (3.1 in) across 13 days. For a closer look at August weather details, visit Marianske Lazne weather in August.

As September transitions into October, the weather experiences a notable shift. In September, temperatures can range from a minimum of -1°C (30°F) to a maximum of 28°C (83°F), with an average of 13°C (56°F). The month sees around 54 mm (2.1 in) of precipitation over nine days, accompanied by a humidity level of 82%. In contrast, October brings cooler temperatures, with minimums dropping to -3°C (27°F) and maximums reaching only 22°C (72°F), averaging 9°C (48°F). Despite slightly less precipitation at 52 mm (2.1 in) over ten days, humidity increases to 87%. For a more detailed look at the October weather specifics, check out Marianske Lazne weather in October.

In September, the weather is generally milder, with temperatures ranging from a minimum of -1°C (30°F) to a maximum of 28°C (83°F), and an average of 13°C (56°F). The month sees an average precipitation of 54 mm (2.1 in) over 9 days, accompanied by a relatively high humidity of 82%. In contrast, November experiences significantly cooler temperatures with a minimum of -6°C (21°F) and a maximum of 17°C (63°F), averaging just 4°C (39°F). Precipitation decreases to 36 mm (1.4 in) over the same number of days, while humidity rises to 89%. For those curious about specific weather conditions in November, you can find more information here: Marianske Lazne weather in November.

In September, the weather is generally mild and pleasant, with average temperatures around 13°C (56°F) and higher maximums reaching up to 28°C (83°F). This month experiences relatively lower humidity levels at 82% and sees about 54 mm (2.1 in) of precipitation over 9 days. In contrast, December brings a notable chill, characterized by an average temperature of just 1°C (34°F) and maximums that only reach 11°C (52°F). The humidity increases to 92%, and precipitation rises to 68 mm (2.7 in) spread across 14 days, resulting in a more damp and colder feel. For more detailed information, you can check Marianske Lazne weather in December.

Compare Marianske Lazne's Climate with Cities Worldwide

Conclusion: What to Expect From September Weather in Marianske Lazne

As September unfolds in Marianske Lazne, the weather begins to shift, offering a delightful transition from the warm summer months to the crispness of autumn. Throughout this month, you can expect pleasantly mild days contrasted by cooler evenings, making it a perfect time for cozy strolls and enjoying the stunning fall foliage. With an average temperature around 13°C (56°F) and an occasional peak of 28°C (83°F), September provides a blend of warmth and refreshing breezes, though it may surprise you with a cooler night or two, dipping to -1°C (30°F). Rainfall is moderate, with nine days of precipitation adding a seasonal touch, elevating the lush landscape and enhancing the air's humidity to around 82%. This unique balance of temperatures and moisture sets September apart, inviting visitors to experience the enchanting beauty of the resort town. For more detailed insights into what the weather will be like throughout the year, check out the comprehensive overview at Marianske Lazne Climate.