nomadseason

September Weather in Vetrni, Czech Republic

Last updated: August 23, 2025

In September, the average temperature in Vetrni, Czech Republic hovers around 13°C (56°F). Expect a range from a chilly -1°C (31°F) to a warm 28°C (82°F). With 81 mm (3.2 in) of precipitation spread over 12 days, and an average humidity of 82%, be prepared for a mix of cool and damp weather.

September Temperature in Vetrni

In September in Vetrni, the average temperature is 13°C (56°F). Maximum temperatures can reach 28°C (82°F), while the minimum can drop as low as -1°C (31°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates September temperature patterns in Vetrni, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Vetrni, September typically has an average temperature of 13°C (56°F), with highs reaching up to 28°C (82°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec293338465363646456483833
Data source: Temperature data for Vetrni generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Vetrni

In Vetrni in September, the precipitation amount is 81 mm (3.2 in) over a span of 12 days.

September Precipitation Trends in Vetrni

The chart displays monthly precipitation patterns in Vetrni, 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 Vetrni, September typically receives around 81 mm (3.2 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec5849574711712010911481595071
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Vetrni

In Vetrni 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 Vetrni

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

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

Maximum UV Index Levels in Vetrni for September

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

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

This table compares monthly weather conditions in Vetrni, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)58 mm (2.3 inches)91%low
February Weather0°C (33°F)49 mm (1.9 inches)89%moderate
March Weather3°C (38°F)57 mm (2.2 inches)87%moderate
April Weather8°C (46°F)47 mm (1.8 inches)82%high
May Weather12°C (53°F)117 mm (4.6 inches)76%very high
June Weather17°C (63°F)120 mm (4.7 inches)80%very high
July Weather18°C (64°F)109 mm (4.3 inches)80%very high
August Weather18°C (65°F)114 mm (4.5 inches)82%very high
September Weather13°C (56°F)81 mm (3.2 inches)82%high
October Weather9°C (48°F)59 mm (2.3 inches)87%moderate
November Weather3°C (38°F)50 mm (2.0 inches)89%low
December Weather0°C (33°F)71 mm (2.8 inches)92%low

Compare Vetrni's Climate with Cities Worldwide