Castello di Cisterna Weather in September

September in Castello di Cisterna sees daytime temperatures around 26°C (79°F) and lows of 18°C (64°F) at night. With around 101 mm (4 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Castello di Cisterna in September

Historically, the month has about 9 days of rain, averaging 101 mm (4 in) in total. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Castello di Cisterna in September

Temperatures in Castello di Cisterna in September top out at 26°C (79°F) and drop to 18°C (64°F) overnight. Overall, the month follows a fairly predictable daily temperature pattern. Nights drop to around 18°C (64°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in Castello di Cisterna in September

With approximately 234 hours of sunshine, the days are filled with clear skies. It makes it a perfect month for being outside.

Average water temperature in September

With water at 25°C (77°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period, it feels comfortable straight away.

If you prefer enjoying temperate temperatures and rain-free days, May, June and July typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.