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September Weather in Blatno, Czech Republic

Last updated: August 23, 2025

In Blatno, Czech Republic, the average temperature in September hovers around 14°C (58°F), with a chilly minimum of 0°C (33°F) and a warm maximum reaching 30°C (86°F). Expect 57 mm (2.3 in) of precipitation spread over approximately 10 days, contributing to a relatively high average humidity of 82%. Whether you're braving the chill or enjoying the warmth, be prepared for a mix of weather this month!

September Temperature in Blatno

In September in Blatno, the average temperature is 14°C (58°F). Maximums can reach 30°C (86°F), while minimums can be as low as 0°C (33°F). This makes Blatno a destination with a diverse climate perfect for a range of outdoor activities, so be sure to pack accordingly!

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

The chart illustrates September temperature patterns in Blatno, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Blatno, September typically has an average temperature of 14°C (58°F), with highs reaching up to 30°C (86°F) and lows dropping to around 0°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec323439475565666657493935
Data source: Temperature data for Blatno 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 Blatno

In Blatno in September, the precipitation amount is 57 mm (2.3 in) over the course of 10 days.

September Precipitation Trends in Blatno

The chart displays monthly precipitation patterns in Blatno, 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 Blatno, September typically receives around 57 mm (2.3 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec394347348276677857503451
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Blatno

In Blatno in September, humidity is 82%. With an average temperature of 14°C (58°F), this humidity feels like a heavy blanket wrapping around you, making travel uncomfortable and sticky.

September Average Humidity in Blatno

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

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

Maximum UV Index Levels in Blatno for September

The chart shows the monthly maximum UV Index (UVI) for Blatno 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 Blatno typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234688876421
Data source: Blatno 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 Blatno Compares to Other Months

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

This table compares monthly weather conditions in Blatno, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)39 mm (1.5 inches)91%low
February Weather1°C (34°F)43 mm (1.7 inches)89%moderate
March Weather4°C (39°F)47 mm (1.8 inches)87%moderate
April Weather8°C (47°F)34 mm (1.3 inches)82%high
May Weather13°C (55°F)82 mm (3.2 inches)76%very high
June Weather18°C (65°F)76 mm (3.0 inches)80%very high
July Weather19°C (66°F)67 mm (2.6 inches)80%very high
August Weather19°C (66°F)78 mm (3.1 inches)82%high
September Weather14°C (58°F)57 mm (2.3 inches)82%high
October Weather10°C (49°F)50 mm (2.0 inches)87%moderate
November Weather4°C (40°F)34 mm (1.3 inches)89%low
December Weather1°C (35°F)50 mm (2.0 inches)92%low

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