Usually in the month of September the weather is still stable and pleasant temperatures with highs up to 25 C°. Also in October, not infrequently, gives a mild weather.

Please remove spaces between words.
UsuallyinthemonthofSeptembertheweatherisstillstableandpleasanttemperatureswithhighsupto25C°.AlsoinOctober,notinfrequently,givesamildweather.