Last updated: August 23, 2025
In Holysov, Czech Republic, the average temperature in September is a comfortable 14°C (57°F). During this time, temperatures can dip as low as -1°C (31°F) and soar up to 29°C (84°F). Expect 59 mm (2.3 in) of precipitation spread over 10 days, contributing to an average humidity of 82%. Get ready for a month of diverse weather!
In September in Holysov, the average temperature is 14°C (57°F). The maximum can reach 29°C (84°F), while the minimum can drop as low as -1°C (31°F). This makes it a great time for travelers to experience a diverse range of weather, so pack accordingly to enjoy both warm days and cooler evenings.
In Holysov in September, the precipitation amount is 59 mm (2.3 in) over the course of 10 days.
In Holysov in September, humidity is 82%. With an average temperature of 14°C (57°F), this humidity feels like a thick blanket enveloping you, making outdoor activities uncomfortable and travel more challenging due to the heavy, damp air.
In Holysov 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 Holysov, you can refer to this Hourly UV Index in Holysov.
UV Risk Categories
Weather in Holysov varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Holysov, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 0°C (31°F) | 54 mm (2.1 inches) | 91% | low |
February Weather | 1°C (35°F) | 54 mm (2.1 inches) | 89% | moderate |
March Weather | 4°C (39°F) | 59 mm (2.3 inches) | 87% | moderate |
April Weather | 8°C (47°F) | 40 mm (1.6 inches) | 82% | high |
May Weather | 13°C (55°F) | 91 mm (3.6 inches) | 76% | very high |
June Weather | 18°C (65°F) | 75 mm (3.0 inches) | 80% | very high |
July Weather | 19°C (66°F) | 75 mm (3.0 inches) | 80% | very high |
August Weather | 19°C (66°F) | 83 mm (3.3 inches) | 82% | high |
September Weather | 14°C (57°F) | 59 mm (2.3 inches) | 82% | high |
October Weather | 9°C (49°F) | 55 mm (2.2 inches) | 87% | moderate |
November Weather | 4°C (39°F) | 41 mm (1.6 inches) | 89% | low |
December Weather | 1°C (35°F) | 72 mm (2.8 inches) | 92% | low |