Formia Weather in September

During September, Formia experiences high daytime temperatures of 25°C (77°F) and cooler nights around 19°C (66°F). As part of the summer season, expect quite a bit of rainfall. Around 102 mm (4 in) is typical.

Rainfall in Formia in September

You can expect rain on around 9 days based on historical patterns, with 102 mm (4 in) average for the month. When showers do arrive, they tend to be on the heavier side. Worth being prepared even if rain days are not that numerous.

Temperature in Formia in September

Daytime highs in Formia in September reach 25°C (77°F), with nights around 19°C (66°F). September is part of summer. Conditions stay fairly consistent through the month, making it easier to plan what to wear. At 19°C (66°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Formia in September

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

If you prefer dry days with pleasant temperatures, May, June, July and August 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.

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Check the conditions for any month of the year.

• January
• February
• March
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• May
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• September
• October
• November
• December

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

Formia Temperature in September

Min Temperature 19°C (66°F)  

Max Temperature 25°C (77°F)  

Chance of Rain 29%  

Precipitation 102 mm (4 in)  

Rainy days 9 days  

Sunshine 234 hours *  

Percentage Sunshine *  

* Data from: Ischia, Italy (64 KM, 40 Miles).

What to Wear in Formia in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Formia in September

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

Swimming

9/10

Cycling

9/10

Walking

9/10

Camping

6/10

Outdoor sports

9/10

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 Formia's climate page.

More climate data for Formia

Temperature Rainfall Sunshine

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