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September Weather in Karlovice, Czech Republic

Last updated: August 23, 2025

In Karlovice, Czech Republic, the average temperature in September hovers around 13°C (56°F), making it a mild time of year. While you might experience a minimum chill of -1°C (31°F), the mercury can occasionally soar up to 28°C (83°F). Expect about 98 mm (3.9 in) of precipitation spread over 12 days, and don't forget to prepare for the average humidity level of 75% that adds a touch of moisture to the air.

September Temperature in Karlovice

In September in Karlovice, the average temperature is 13°C (56°F), with maximums potentially reaching 28°C (83°F) and minimums dropping as low as -1°C (31°F). This diverse temperature range makes Karlovice an intriguing destination for travelers seeking varied experiences, so be sure to pack accordingly!

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

The chart illustrates September temperature patterns in Karlovice, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Karlovice, September typically has an average temperature of 13°C (56°F), with highs reaching up to 28°C (83°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec283137455363646556483932
Data source: Temperature data for Karlovice 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 Karlovice

In Karlovice in September, the precipitation amount is 98 mm (3.9 in) over the course of 12 days.

September Precipitation Trends in Karlovice

The chart displays monthly precipitation patterns in Karlovice, 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 Karlovice, September typically receives around 98 mm (3.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec3951515610412111812298774557
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Karlovice

In Karlovice in September humidity is 75%. With an average temperature of 13°C (56°F), this humidity feels like a damp chill enveloping you, making travel a bit uncomfortable, as the moisture in the air clings to your skin and can dampen your spirits as well as your clothes.

September Average Humidity in Karlovice

This chart illustrates the average monthly humidity levels in Karlovice, 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 Karlovice 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 Karlovice

In Karlovice 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 Karlovice, you can refer to this Hourly UV Index in Karlovice.

Maximum UV Index Levels in Karlovice for September

The chart shows the monthly maximum UV Index (UVI) for Karlovice 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 Karlovice typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234678876421
Data source: Karlovice 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 Karlovice Compares to Other Months

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

This table compares monthly weather conditions in Karlovice, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (28°F)39 mm (1.5 inches)90%low
February Weather-1°C (31°F)51 mm (2.0 inches)87%moderate
March Weather3°C (37°F)50 mm (2.0 inches)85%moderate
April Weather7°C (45°F)56 mm (2.2 inches)78%high
May Weather12°C (53°F)104 mm (4.1 inches)73%high
June Weather17°C (63°F)121 mm (4.8 inches)77%very high
July Weather18°C (64°F)118 mm (4.7 inches)76%very high
August Weather18°C (65°F)122 mm (4.8 inches)76%high
September Weather13°C (56°F)98 mm (3.9 inches)75%high
October Weather9°C (49°F)77 mm (3.0 inches)85%moderate
November Weather4°C (40°F)45 mm (1.8 inches)90%low
December Weather0°C (32°F)57 mm (2.2 inches)91%low

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