Rio Weather in September

Rio in September sees high temperatures, with highs around 23°C (73°F) and overnight lows of 15°C (59°F). Rainfall is fairly high at around 131 mm (5.2 in) on average, so pack waterproofs just in case.

Rainfall in Rio in September

Historically, approximately 10 days this month are expected to have rain, averaging 131 mm (5.2 in). 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 Rio in September

Daytime temperatures in Rio reach 23°C (73°F) in September, dropping to 15°C (59°F) at night. This kind of day-to-night contrast is typical for this time of year. With overnight lows of 15°C (59°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Rio in September

The month enjoys around 215 hours of sunshine, creating mostly sunny days with good weather conditions.

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

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 Rio's climate page.

Rio Temperature in September

Min Temperature 15°C (59°F)  

Max Temperature 23°C (73°F)  

Chance of Rain 32%  

Precipitation 131 mm (5.2 in)  

Rainy days 10 days  

Humidity 71% *  

Sunshine 215 hours *  

Percentage Sunshine *  

* Data from: La Spezia, Italy (25 KM, 15 Miles).

What to Wear in Rio 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 Rio in September

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

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 Rio's climate page.

More climate data for Rio

Temperature Rainfall Sunshine Humidity

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