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Prague weather in September

Weather in Prague: September

Average day temperature: 67.5°F
Average night temperature: 54.1°F
Number of sunny days: 12 days
Day length: 11.7 - 13.5 hours
Number of rainy days: 4 days
Precipitation totals: 1.9 in.

Air temperature in September, °F

Show year:
2025
2024
2023

The highest day temperature during September of 2025 was 82°F. At the same time the lowest night temperature was 44°F. Daily and nightly averages during September were 67.0°F and 54.4°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are sunny but cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Prague in September is 1.9 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 6.7 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: 7.5.

Best time for vacation in Prague

Sunniest months:
August 14 days
September 12 days
July 12 days
Warmest months:
August 76.2 °F
July 76.0 °F
June 72.8 °F
Coldest months:
January 35.7 °F
December 38.8 °F
February 39.1 °F
Rainiest months:
July 6 days
August 5 days
May 5 days
Windiest months:
January 9.0 mph
December 8.9 mph
February 8.7 mph

Prague on a weather map

Prague
+34°F
NW 2 mph
Feels like: +32°F
Precip.: 0%
Places in Czech Republic:
Name
°F
+34°F
+37°F
+28°F
+36°F
+34°F
+36°F
+34°F
+34°F
+34°F
+34°F
24 Hours Forecast
Prague
Local time: 07:51
December 15, monday
0900
34°F
NW
2 mph
1200
41°F
NW
3 mph
1500
41°F
W
4 mph
1800
37°F
NW
4 mph
2100
34°F
N
4 mph
December 16, tuesday
0000
32°F
NW
3 mph
0300
32°F
W
2 mph
0600
32°F
W
5 mph
Units of measurement: °C / °F