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September Weather in Modra, Czech Republic

Last updated: August 23, 2025

In September, the average temperature in Modra, Czech Republic hovers around 16°C (61°F), providing a comfortable climate for exploration. However, temperatures can vary significantly, with minimum lows of 2°C (35°F) and maximum highs reaching up to 31°C (88°F). Visitors should prepare for an average of 89 mm (3.5 in) of precipitation spread over 9 days, contributing to the region's humidity, which averages a notable 75%.

September Temperature in Modra

In September in Modra, the average temperature is 16°C (61°F). The maximum can reach 31°C (88°F), and the minimum can be as low as 2°C (35°F). This range of temperatures makes it essential to pack both light clothing for warmer days and layers for cooler evenings while traveling.

September Weather in Modra: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Modra, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Modra, September typically has an average temperature of 16°C (61°F), with highs reaching up to 31°C (88°F) and lows dropping to around 2°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec313641505868697060524335
Data source: Temperature data for Modra 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 Modra

In Modra in September, the precipitation amount is 89 mm (3.5 in) during a span of 9 days.

September Precipitation Trends in Modra

The chart displays monthly precipitation patterns in Modra, 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. In Modra, September typically receives around 89 mm (3.5 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec394038408878788989634857
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Modra

In Modra in September humidity is 75%. With an average temperature of 16°C (61°F), this humidity feels like a warm, muggy embrace, making traveling somewhat uncomfortable as you may find yourself constantly adjusting your clothing and seeking shade to escape the sticky air.

September Average Humidity in Modra

This chart illustrates the average monthly humidity levels in Modra, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Modra is approximately 75%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%87%85%78%74%77%76%76%75%85%90%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Modra

In Modra in September, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Modra, you can refer to this Hourly UV Index in Modra.

Maximum UV Index Levels in Modra for September

The chart shows the monthly maximum UV Index (UVI) for Modra 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. In September, the maximum UV index in Modra typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235678876421
Data source: Modra 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.

How September Weather in Modra Compares to Other Months

Weather in Modra varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Modra, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Modra, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)39 mm (1.5 inches)90%low
February Weather2°C (36°F)39 mm (1.6 inches)87%moderate
March Weather5°C (41°F)38 mm (1.5 inches)85%moderate
April Weather10°C (50°F)40 mm (1.6 inches)78%high
May Weather14°C (58°F)88 mm (3.5 inches)73%high
June Weather20°C (68°F)78 mm (3.1 inches)77%very high
July Weather21°C (69°F)78 mm (3.1 inches)76%very high
August Weather21°C (70°F)89 mm (3.5 inches)76%high
September Weather16°C (61°F)89 mm (3.5 inches)75%high
October Weather11°C (52°F)63 mm (2.5 inches)85%moderate
November Weather6°C (43°F)48 mm (1.9 inches)90%low
December Weather2°C (35°F)57 mm (2.3 inches)91%low

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