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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 excellent, 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.
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).
Riba Douro Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Riba Douro - and find the best time to visit.
Best Places in Portugal in September
Find out more about the weather in Portugal and which places have the best travel conditions in this month. See all of Portugal in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
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.
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Swimming9/10 -
Cycling9/10 -
Walking9/10 -
Barbeque8/10 -
Camping8/10 -
Outdoor sports9/10
Riba Douro 3-Day Forecast
More climate data for Riba Douro
Temperature Rainfall Sunshine Humidity
See the full Riba Douro climate overview or explore weather in Portugal.
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