Petrov, Czechia in September has warm conditions, with highs averaging 21.3°C (70°F). Rain falls on about 10 days this month.
This month falls at the beginning of Autumn.
Daily highs in September gradually drop from around 23°C (74°F) at the start to 18°C (65°F) by month's end.
Rainfall is heaviest during the middle of the month, while the last third tends to be drier.
Expect around 9.5h of sunshine at the start of September, decreasing to 7.5h by the end.
The warmest days tend to fall around the 9th, averaging 23.9°C (75°F).