Seia Weather in September

Thinking of visiting Seia in September? Expect high temperatures reaching 25°C (77°F) during the day, dropping to 13°C (55°F) at night, and note that quite a bit of rainfall is likely.

Rainfall in Seia in September

Typically, you can expect about 9 days of rain this month, with 65 mm (2.6 in) on average. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.

Temperature in Seia in September

Weather in Seia is at its perfect in September. Highs reach 25°C (77°F), while nights settle around 13°C (55°F). This kind of day-to-night contrast is typical for this time of year. 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 Seia in September

There are approximately 228 hours of sunshine this month, resulting in mostly clear days.

Wind Speed in Seia in September

In September, average wind speeds reach 4 m/s (8 knots), leading to light to moderate breezes. Conditions vary from day to day, with both calm and windier periods.

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

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Check the conditions for any month of the year.

• January
• February
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• May
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• October
• November
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For a detailed overview over the year and the best time to visit Portugal, check out our Seia's climate page.

Seia Temperature in September

Min Temperature 13°C (55°F)  

Max Temperature 25°C (77°F)  

Chance of Rain 28%  

Precipitation 65 mm (2.6 in)  

Rainy days 9 days  

Humidity 63% *  

Windspeed 4 m/s (8 knots) *  

Sunshine 228 hours *  

Percentage Sunshine *  

* Data from: Penhas Douradas, Portugal (12 KM, 8 Miles).

What to Wear in Seia in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). Rain is likely on several days, so bring a good rain jacket. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Seia 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 Seia's climate page.

More climate data for Seia

Temperature Rainfall Sunshine Humidity Wind Speed

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