Viseu Weather in September

September in Viseu brings high temperatures, with highs of 25°C (77°F) and nights dropping to 14°C (57°F). Rainfall is on the higher side this month, averaging around 63 mm (2.5 in), so keep a rain jacket handy.

Rainfall in Viseu in September

Analyzing past climate data, one can expect approximately 9 days of rain, averaging 63 mm (2.5 in). Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Viseu in September

If you're visiting Viseu in September, expect perfect temperatures with highs of 25°C (77°F) and overnight lows of 14°C (57°F). September is typically considered a summer month. Overall, the month follows a fairly predictable daily temperature pattern. Nights drop to around 14°C (57°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 Viseu in September

The month enjoys around 228 hours of sunshine, creating mostly sunny days with good weather conditions.

If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Viseu.

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• 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 Viseu's climate page.

Viseu Temperature in September

Min Temperature 14°C (57°F)  

Max Temperature 25°C (77°F)  

Chance of Rain 29%  

Precipitation 63 mm (2.5 in)  

Rainy days 9 days  

Humidity 63% *  

Sunshine 228 hours *  

Percentage Sunshine *  

* Data from: Penhas Douradas, Portugal (40 KM, 25 Miles).

What to Wear in Viseu in September

Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Rain gear is recommended, you can expect wet weather on multiple days. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Viseu in September

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

Swimming

9/10

Cycling

8/10

Walking

8/10

Camping

8/10

Outdoor sports

8/10

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 Viseu's climate page.

More climate data for Viseu

Temperature Rainfall Sunshine Humidity

See the full Viseu climate overview or explore weather in Portugal.