Castronno Weather in September

September in Castronno brings high temperatures, with highs of 24°C (75°F) and nights dropping to 15°C (59°F). Rainfall is on the higher side this month, averaging around 169 mm (6.7 in), so keep a rain jacket handy.

Rainfall in Castronno in September

Past climate data indicates that roughly 11 days will see rain, totalling around 169 mm (6.7 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Castronno in September

Castronno in September gets highs of 24°C (75°F) during the day and drops to 15°C (59°F) at night. This kind of day-to-night contrast is typical for this time of year. Nights drop to around 15°C (59°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 Castronno in September

You can expect a moderate amount of sunlight, with approximately 181 hours. This means a pleasant mix of sun and overcast.

If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Castronno.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Italy, check out our Castronno's climate page.

Castronno Temperature in September

Min Temperature 15°C (59°F)  

Max Temperature 24°C (75°F)  

Chance of Rain 37%  

Precipitation 169 mm (6.7 in)  

Rainy days 11 days  

Humidity 74% *  

Sunshine 181 hours *  

Percentage Sunshine 49% *  

* Data from: Milan, Italy (15 KM, 9 Miles).

What to Wear in Castronno in September

For Castronno in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Castronno in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

7/10

Camping

6/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Italy, check out our Castronno's climate page.

More climate data for Castronno

Temperature Rainfall Sunshine Humidity

See the full Castronno climate overview or explore weather in Italy.