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September Weather in Osik, Czech Republic

Last updated: August 23, 2025

In September, the average temperature in Osik, Czech Republic hovers around 14°C (57°F), with a minimum drop to -2°C (29°F) and a maximum peak reaching 28°C (82°F). Expect 100 mm (3.9 in) of precipitation over approximately 12 days, accompanied by an average humidity of 75%. Stay prepared for a mix of weather this month!

September Temperature in Osik

In September in Osik, the average temperature is 14°C (57°F), with maximums reaching up to 28°C (82°F) and minimums dipping as low as -2°C (29°F). This diverse temperature range makes Osik an interesting destination for travelers who enjoy experiencing varying weather conditions.

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

The chart illustrates September temperature patterns in Osik, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Osik, September typically has an average temperature of 14°C (57°F), with highs reaching up to 28°C (82°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec293238465464646557484033
Data source: Temperature data for Osik 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 Osik

In Osik in September, the precipitation amount is 100 mm (3.9 in) over the course of 12 days.

September Precipitation Trends in Osik

The chart displays monthly precipitation patterns in Osik, 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 Osik, September typically receives around 100 mm (3.9 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec47505046998710193100754463
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Osik

In Osik in September, humidity is 75%. With an average temperature of 14°C (57°F), this humidity feels like a damp blanket enveloping you, making outdoor activities somewhat uncomfortable and travel a bit sluggish, as the air feels heavy and the heat lingers close to your skin.

September Average Humidity in Osik

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

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

Maximum UV Index Levels in Osik for September

The chart shows the monthly maximum UV Index (UVI) for Osik 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 Osik typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234689876422
Data source: Osik 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 Osik Compares to Other Months

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

This table compares monthly weather conditions in Osik, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-2°C (29°F)47 mm (1.9 inches)90%low
February Weather0°C (33°F)50 mm (2.0 inches)87%moderate
March Weather3°C (38°F)50 mm (2.0 inches)85%moderate
April Weather8°C (46°F)46 mm (1.8 inches)78%high
May Weather12°C (54°F)99 mm (3.9 inches)73%very high
June Weather18°C (64°F)87 mm (3.4 inches)77%very high
July Weather18°C (65°F)101 mm (4.0 inches)76%very high
August Weather19°C (66°F)93 mm (3.7 inches)76%high
September Weather14°C (57°F)100 mm (3.9 inches)75%high
October Weather9°C (49°F)74 mm (2.9 inches)85%moderate
November Weather4°C (40°F)44 mm (1.7 inches)90%low
December Weather0°C (33°F)63 mm (2.5 inches)91%low

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