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September Weather in Perna, Czech Republic

Last updated: August 23, 2025

In Perna, Czech Republic, the average temperature in September hovers around 17°C (62°F). However, temperatures can vary widely, with a minimum of 1°C (35°F) and a maximum of 32°C (90°F). During this month, expect about 81 mm (3.2 in) of precipitation spread over 9 days, contributing to an average humidity of 75%. Stay prepared for a mix of weather!

September Temperature in Perna

In September in Perna, the average temperature is 17°C (62°F), with maximums reaching 32°C (90°F) and minimums dropping to as low as 1°C (35°F). It’s advisable to pack layers to comfortably adapt to the varying temperatures throughout the day while exploring this destination.

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

The chart illustrates September temperature patterns in Perna, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Perna, September typically has an average temperature of 17°C (62°F), with highs reaching up to 32°C (90°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec333742525970717262534336
Data source: Temperature data for Perna 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 Perna

In Perna in September, the precipitation amount is 81 mm (3.2 in) spread over a duration of 9 days.

September Precipitation Trends in Perna

The chart displays monthly precipitation patterns in Perna, 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 Perna, September typically receives around 81 mm (3.2 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec303128307873787981494249
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Perna

In Perna in September, humidity is 75%. With an average temperature of 17°C (62°F), this humidity feels like a warm, muggy embrace that can leave travelers feeling sticky and a bit sluggish as they navigate the sights.

September Average Humidity in Perna

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

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

Maximum UV Index Levels in Perna for September

The chart shows the monthly maximum UV Index (UVI) for Perna 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 Perna typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235688876421
Data source: Perna 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 Perna Compares to Other Months

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

This table compares monthly weather conditions in Perna, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (33°F)30 mm (1.2 inches)90%low
February Weather3°C (37°F)31 mm (1.2 inches)87%moderate
March Weather6°C (43°F)28 mm (1.1 inches)85%moderate
April Weather11°C (52°F)30 mm (1.2 inches)78%high
May Weather15°C (60°F)78 mm (3.1 inches)73%very high
June Weather21°C (70°F)73 mm (2.9 inches)77%very high
July Weather21°C (71°F)78 mm (3.1 inches)76%very high
August Weather22°C (72°F)79 mm (3.1 inches)76%high
September Weather17°C (62°F)81 mm (3.2 inches)75%high
October Weather12°C (53°F)49 mm (1.9 inches)85%moderate
November Weather6°C (44°F)42 mm (1.6 inches)90%low
December Weather2°C (36°F)49 mm (1.9 inches)91%low

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