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September Weather in Cerna v Posumavi, Czech Republic

Last updated: August 23, 2025

In Cerna v Posumavi, Czech Republic, the average temperature in September hovers around 13°C (56°F), with lows dipping to a chilly -1°C (31°F) and highs reaching a pleasant 27°C (82°F). Expect about 83 mm (3.3 in) of precipitation spread over 13 days, contributing to an average humidity level of 82%. Prepare for a month of varied weather, perfect for cozy indoor days or brisk outdoor adventures!

September Temperature in Cerna v Posumavi

In September in Cerna v Posumavi, the average temperature is 13°C (56°F). Maximum temperatures can reach 27°C (82°F), while minimums can drop as low as -1°C (31°F). Be sure to pack layers to stay comfortable during your travels!

September Weather in Cerna v Posumavi: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Cerna v Posumavi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Cerna v Posumavi, September typically has an average temperature of 13°C (56°F), with highs reaching up to 27°C (82°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec283237455263636455473832
Data source: Temperature data for Cerna v Posumavi 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 Cerna v Posumavi

In Cerna v Posumavi in September, the precipitation amount is 83 mm (3.3 in) over a span of 13 days.

September Precipitation Trends in Cerna v Posumavi

The chart displays monthly precipitation patterns in Cerna v Posumavi, 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 Cerna v Posumavi, September typically receives around 83 mm (3.3 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec6956645012412611211883625081
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Cerna v Posumavi

In Cerna v Posumavi in September, humidity is 82%. With an average temperature of 13°C (56°F), this humidity feels like a damp blanket wrapping around you, making it feel much cooler than it is and creating a heavy atmosphere that can be exhausting for travelers.

September Average Humidity in Cerna v Posumavi

This chart illustrates the average monthly humidity levels in Cerna v Posumavi, 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 Cerna v Posumavi is approximately 82%, offering insight into how humid the weather typically is during this month.
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 Cerna v Posumavi

In Cerna v Posumavi 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 Cerna v Posumavi, you can refer to this Hourly UV Index in Cerna v Posumavi.

Maximum UV Index Levels in Cerna v Posumavi for September

The chart shows the monthly maximum UV Index (UVI) for Cerna v Posumavi 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 Cerna v Posumavi typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235689986421
Data source: Cerna v Posumavi 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 Cerna v Posumavi Compares to Other Months

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

This table compares monthly weather conditions in Cerna v Posumavi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)69 mm (2.7 inches)91%low
February Weather0°C (32°F)56 mm (2.2 inches)89%moderate
March Weather3°C (37°F)63 mm (2.5 inches)87%moderate
April Weather7°C (46°F)50 mm (1.9 inches)82%high
May Weather11°C (53°F)124 mm (4.9 inches)76%very high
June Weather17°C (63°F)126 mm (5.0 inches)80%very high
July Weather17°C (63°F)112 mm (4.4 inches)80%very high
August Weather18°C (64°F)118 mm (4.6 inches)82%very high
September Weather13°C (56°F)83 mm (3.3 inches)82%high
October Weather9°C (48°F)62 mm (2.4 inches)87%moderate
November Weather3°C (38°F)50 mm (2.0 inches)89%low
December Weather0°C (32°F)81 mm (3.2 inches)92%low

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