September weather forecast
Karlovy Vary, Czech Republic

September in Karlovy Vary welcomes autumn and a shift in weather patterns, with temperatures dipping and the air growing crisper. The change of season reflects in the landscape, the leaves turning russet and gold. With temperatures ranging from 7°C (44.6°F) to 17°C (62.6°F), the city begins to cool off. The spell of autumn breezes paves the way for additional clothing layers and cosier environments. Evenings become pleasingly cool, serving as the perfect backdrop for quiet and tranquil walks.

Temperature

In Karlovy Vary, the average high-temperature in September gently drops from an agreeable 21°C (69.8°F) in August to a comfortable 17°C (62.6°F). The temperature in Karlovy Vary dips to an average of 7°C (44.6°F) during September nights.

Rainfall

In Karlovy Vary, Czech Republic, in September, during 14 rainfall days, 51mm (2.01") of precipitation is typically accumulated. Throughout the year, in Karlovy Vary, there are 178 rainfall days, and 652mm (25.67") of precipitation is accumulated.

Daylight

The average length of the day in September in Karlovy Vary is 12h and 37min.
On the first day of September, sunrise is at 06:24 and sunset at 19:52. On the last day of the month, sunrise is at 07:07 and sunset at 18:48 CEST.

Sunshine

In Karlovy Vary, the average sunshine in September is 5h.

UV index

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In September, a daily UV index of 4 turns into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.