Czech RepublicAverage weather for Karlovy Vary in September
It's cool to moderate in September in Karlovy Vary with an average temperature of 18°C. Temperatures this month range from a low of 15°C to a high of 22°C. At night, you can expect temperatures between 6°C and 11°C.
Start of September
The month of September starts in Karlovy Vary with mild temps, averaging around 20°C during the day and nights around 10°C. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry.
Mid September
By mid-September, daytime temps drop to around 19°C, with nights around 10°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of September
By the end of September, the average daytime temperature in Karlovy Vary is around 16°C, while nighttime temps are about 8°C. A shower might pop up, but overall, the weather will be dry and sunny.
In September, there is an average of 53 mm of precipitation, spread over 8 days. The wind speed is around 3 Bft, mostly coming from the Southwest.
Karlovy Vary in September |
New York | ||
|---|---|---|---|
 Average temperature |
18°C | 27°C | |
 Max. temperature |
22°C | 31°C | |
| Min. temperature |
15°C | -5°C | |
 Total precipitation |
53 mm | 57 mm | |
| Rainy days |
8 days | 9 days | |
August
UV index
The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is September a good time to visit Karlovy Vary?
Looking for great weather? September is a good time to be in Karlovy Vary. The temperatures are nice, and there’s not too much rain.
Temperature records
With 29°C in 2015, Karlovy Vary reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 6°C in 2020. The extreme nighttime temperatures ranged from a lowest recorded value of -2°C to a highest value of 16°C.
Check out the climate of Karlovy Vary for all months and discover the best travel time
Curious about the weather in other parts of Czech Republic? Check out the climate and weather for spots like Prague, Český Krumlov, South Bohemia, or explore other destinations in Czech Republic.
Daily Temperature in September in Karlovy Vary
This chart shows the average daily high and low temperatures in September for Karlovy Vary, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in September in Karlovy Vary
The chart below shows the average daily precipitation in September for Karlovy Vary, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect about 8 days of precipitation in Karlovy Vary.
Daily UV index in September in Karlovy Vary
This chart shows the average daily UV index in September in Karlovy Vary, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in Karlovy Vary over the years
This chart shows the average temperature in September in Karlovy Vary, measured in degrees Celsius, over the past few years.
Total precipitation in September in Karlovy Vary over the years
This chart shows the average precipitation in September in Karlovy Vary, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in September for Karlovy Vary
Click on any day in September to get detailed info about the usual weather on that day in Karlovy Vary. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in Karlovy Vary
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Average weather in Karlovy Vary by month
Click on a month below to see detailed weather info for Karlovy Vary. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of Karlovy Vary for all months at once
