Last updated: August 23, 2025
In Karlovice, Czech Republic, the average temperature in September hovers around 15°C (59°F), with temperatures ranging from a brisk 0°C (31°F) to a warm 30°C (86°F). During this time, expect about 62 mm (2.4 in) of precipitation spread over 9 days, resulting in an average humidity of 72%. Make sure to prepare for both cooler moments and the possibility of rain!
In September in Karlovice, the average temperature is 15°C (59°F), with maximums reaching up to 30°C (86°F) and minimums dropping as low as 0°C (31°F). Be prepared for a range of weather conditions to make the most of your travel experience!
In Karlovice in September, the precipitation amount is 62 mm (2.4 in) over the course of 9 days.
In Karlovice in September humidity is 72%. With an average temperature of 15°C (59°F), this humidity feels like a warm blanket wrapping around you, creating a sultry atmosphere that can make traveling a bit uncomfortable. The stickiness in the air can leave you feeling sluggish, so it’s advisable to stay hydrated and take breaks often while exploring.
In Karlovice 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 Karlovice, you can refer to this Hourly UV Index in Karlovice.
UV Risk Categories
Weather in Karlovice varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Karlovice, 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) | 89% | low |
| February Weather | 1°C (34°F) | 59 mm (2.3 inches) | 87% | low |
| March Weather | 4°C (39°F) | 58 mm (2.3 inches) | 84% | moderate |
| April Weather | 9°C (48°F) | 36 mm (1.4 inches) | 78% | moderate |
| May Weather | 13°C (55°F) | 80 mm (3.1 inches) | 63% | very high |
| June Weather | 19°C (66°F) | 73 mm (2.9 inches) | 63% | very high |
| July Weather | 19°C (66°F) | 70 mm (2.8 inches) | 61% | very high |
| August Weather | 19°C (67°F) | 84 mm (3.3 inches) | 65% | high |
| September Weather | 15°C (59°F) | 62 mm (2.4 inches) | 72% | high |
| October Weather | 10°C (50°F) | 74 mm (2.9 inches) | 80% | moderate |
| November Weather | 5°C (41°F) | 46 mm (1.8 inches) | 87% | low |
| December Weather | 1°C (35°F) | 67 mm (2.6 inches) | 91% | low |