Brno Weather: September
 |
Average Day Temperature: | 70.8°F |
|
Average Night Temperature: | 55.2°F |
|
Number of Sunny Days: | 15 days |
| Sunshine Hours: | 11.7 - 13.5 hours | |
|
Number of Rainy Days: | 3 days |
| Precipitation Totals: | 1.7 in | |
| detailed information | ||
Air Temperature in September, °F
The highest day temperature in September 2025 was 84°F. The lowest night temperature was 39°F. The average values for day and night temperatures during September were 69.9°F и 54.0°F respectivly.
Sunny, Cloudy and Gloomy days
Most of the days in September are sunny but you can also expect cloudy and gloomy days.
Precipitation Totals in September, in
Precipitation total in September for Brno is 1.7 in. It makes september one of the most rainy months of the year.
Wind Speed in September, mph
The average wind speed in September is 7.1 mph. This value is relatively stable throughout the year.
Average Sunny Hours Per Day
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Brno in September is 8.1 hours.
Brno on the Weather Map
Czech Republic Resorts:
NAME
F°
| Brno |  |
+40 |
| Ceske Budejovice |  |
+32 |
| Cesky Krumlov | |
+32 |
| Frantiskovy Lazne |  |
+30 |
| Karlovy Vary |  |
+30 |
| Krknose | |
+42 |
| Liberec | |
+40 |
| Marianske Lazne | |
+30 |
| Olomouc | |
+42 |
| Ostrava | |
+38 |
| Pilsen | |
+34 |
| Podebrady | |
+42 |
| Prague | |
+40 |
| Spindleruv Mlyn | |
+42 |
| Teplice | |
+32 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Brno
Local time: 06:15
05 dec, friday
| 0900 |  |
42°F | NW 4 mph |
| 1200 | |
42°F | NW 3 mph |
| 1500 |  |
42°F | N 2 mph |
| 1800 |  |
40°F | NE 2 mph |
| 2100 | |
40°F | E 2 mph |
06 dec, saturday
| 0000 | |
38°F | SE 2 mph |
| 0300 | |
38°F | SE 2 mph |
| 0600 | |
38°F | S 1 mph |