Ostia Antica Weather in September

Ostia Antica in September sees high daytime temperatures of 25°C (77°F) and nighttime lows of 20°C (68°F). Rainfall is fairly high this month at around 93 mm (3.7 in), so pack a rain jacket to stay dry.

Rainfall in Ostia Antica in September

Expect around 9 days of rain based on historical data, with 93 mm (3.7 in) average. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Ostia Antica in September

Ostia Antica in September is worth a visit. The temperature is perfect, with 25°C (77°F) during the day and 20°C (68°F) at night. The summer season is characteristic of September. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With lows of 20°C (68°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Ostia Antica in September

Expect sunny days throughout the month, with an estimated 237 hours of sunshine. This makes it a pleasant time to visit Ostia Antica.

Wind Speed in Ostia Antica in September

Average wind speeds reach 3 m/s (6 knots) in September, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.

If your ideal day consists of dry skies and pleasant temperatures, May, June, July, August and September typically offer the best circumstances for Ostia Antica.

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

Ostia Antica Temperature in September

Min Temperature 20°C (68°F)  

Max Temperature 25°C (77°F)  

Chance of Rain 29%  

Precipitation 93 mm (3.7 in)  

Rainy days 9 days  

Humidity 75% *  

Windspeed 3 m/s (6 knots) *  

Sunshine 237 hours *  

Percentage Sunshine *  

* Data from: Rome, Italy (7 KM, 4 Miles).

What to Wear in Ostia Antica in September

Warm but pleasant conditions in Ostia Antica in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Ostia Antica in September

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

Swimming

9/10

Cycling

7/10

Walking

7/10

Camping

8/10

Outdoor sports

7/10

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 Ostia Antica's climate page.

More climate data for Ostia Antica

Temperature Rainfall Sunshine Humidity Wind Speed

See the full Ostia Antica climate overview or explore weather in Italy.