nomadseason

September Weather in Roztoky u Jilemnice, Czech Republic

Last updated: August 23, 2025

In September the average temperature in Roztoky u Jilemnice, Czech Republic hovers around 14°C (58°F). You'll experience a range from a chilly -1°C (31°F) to a warm 30°C (86°F). During this month, expect about 66 mm (2.6 in) of precipitation spread over 9 days, with an average humidity of 72%.

September Temperature in Roztoky u Jilemnice

In September in Roztoky u Jilemnice, the average temperature is 14°C (58°F). Maximums can reach 30°C (86°F) and minimums can be as low as -1°C (31°F). Be prepared for a wide range of temperatures when traveling, so pack accordingly!

September Weather in Roztoky u Jilemnice: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Roztoky u Jilemnice, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Roztoky u Jilemnice, 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 -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec303338465464656657494033
Data source: Temperature data for Roztoky u Jilemnice generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Roztoky u Jilemnice

In Roztoky u Jilemnice in September, the precipitation amount is 66 mm (2.6 in) over the course of 9 days.

September Precipitation Trends in Roztoky u Jilemnice

The chart displays monthly precipitation patterns in Roztoky u Jilemnice, 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 Roztoky u Jilemnice, September typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec545857408679789166744666
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Roztoky u Jilemnice

In Roztoky u Jilemnice in September, humidity is 72%. With an average temperature of 14°C (58°F), this humidity feels like a damp blanket wrapping around you, making walking and exploring slightly uncomfortable and requiring frequent breaks for hydration.

September Average Humidity in Roztoky u Jilemnice

This chart illustrates the average monthly humidity levels in Roztoky u Jilemnice, 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 Roztoky u Jilemnice is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%87%84%78%63%63%61%65%72%80%87%91%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Roztoky u Jilemnice

In Roztoky u Jilemnice 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 Roztoky u Jilemnice, you can refer to this Hourly UV Index in Roztoky u Jilemnice.

Maximum UV Index Levels in Roztoky u Jilemnice for September

The chart shows the monthly maximum UV Index (UVI) for Roztoky u Jilemnice 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 Roztoky u Jilemnice typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec224578876421
Data source: Roztoky u Jilemnice 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 Roztoky u Jilemnice Compares to Other Months

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

This table compares monthly weather conditions in Roztoky u Jilemnice, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)54 mm (2.1 inches)89%low
February Weather1°C (33°F)58 mm (2.3 inches)87%low
March Weather3°C (38°F)57 mm (2.2 inches)84%moderate
April Weather8°C (47°F)40 mm (1.6 inches)78%moderate
May Weather12°C (55°F)86 mm (3.4 inches)63%high
June Weather18°C (65°F)79 mm (3.1 inches)63%very high
July Weather18°C (65°F)78 mm (3.1 inches)61%very high
August Weather19°C (66°F)91 mm (3.6 inches)65%high
September Weather14°C (58°F)66 mm (2.6 inches)72%high
October Weather9°C (49°F)74 mm (2.9 inches)80%moderate
November Weather4°C (40°F)46 mm (1.8 inches)87%low
December Weather1°C (34°F)66 mm (2.6 inches)91%low

Compare Roztoky u Jilemnice's Climate with Cities Worldwide