Weather in Karlovy Vary: September
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Average day temperature: | 64.8°F |
| Average night temperature: | 49.3°F | |
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Number of sunny days: | 11 days |
| Day length: | 11.7 - 13.5 hours | |
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Number of rainy days: | 3 days |
| Precipitation totals: | 1.9 in. | |
| more information | ||
14 days
forecast
forecast
| Karlovy Vary |
weather in
October
October
| Karlovy Vary |
Air temperature in September, °F
Show year:
2025
2024
2023
The highest day temperature during September of 2025 was 80°F. At the same time the lowest night temperature was 41°F. Daily and nightly averages during September were 63.9°F and 49.6°F.
Sunny, partly cloudy and cloudy days
Number of sunny, partly cloudy and cloudy days in September is almost equal.
Precipitation total in September, in.
Precipitation total value in Karlovy Vary in September is 2.0 in. Other months of the year show relatively similar values.
Wind speed in September, mph
The average wind speed value in September is 5.6 mph It makes September one of the least windy months of the year.
Average sunny hours
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 6.9.
Best time for vacation in Karlovy Vary
Karlovy Vary on a weather map
Places in Czech Republic:
Name
°F
24 Hours Forecast
Karlovy Vary
Local time: 05:34
December 05, friday
0600
32°F
S
1 mph
1 mph
0900
36°F
E
2 mph
2 mph
1200
37°F
E
3 mph
3 mph
1500
37°F
E
5 mph
5 mph
1800
36°F
E
4 mph
4 mph
2100
32°F
NE
4 mph
4 mph
December 06, saturday
0000
32°F
N
2 mph
2 mph
0300
32°F
N
2 mph
2 mph
