Riba Douro Weather in September

With daytime temperatures of 25°C (77°F) and nighttime lows of 13°C (55°F), September in Riba Douro brings high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 77 mm (3 in) falls on average.

Rainfall in Riba Douro in September

You can typically expect 9 days of rain this month, averaging around 77 mm (3 in). Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Riba Douro in September

September in Riba Douro is generally perfect, with days reaching 25°C (77°F) and nights settling around 13°C (55°F). September marks the summer season. Overall, the month follows a fairly predictable daily temperature pattern. Nights drop to around 13°C (55°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 Riba Douro in September

The month enjoys around 224 hours of sunshine, creating mostly sunny days with good weather conditions.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Riba Douro.

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 Portugal, check out our Riba Douro's climate page.

Riba Douro Temperature in September

Min Temperature 13°C (55°F)  

Max Temperature 25°C (77°F)  

Chance of Rain 30%  

Precipitation 77 mm (3 in)  

Rainy days 9 days  

Humidity 76% *  

Sunshine 224 hours *  

Percentage Sunshine 64% *  

* Data from: Porto, Portugal (52 KM, 32 Miles).

What to Wear in Riba Douro in September

For Riba Douro 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. Rain is likely on several days, so bring a good rain jacket. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Riba Douro 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

Barbeque

8/10

Camping

8/10

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 Portugal, check out our Riba Douro's climate page.

More climate data for Riba Douro

Temperature Rainfall Sunshine Humidity

See the full Riba Douro climate overview or explore weather in Portugal.