Lisboa Weather in September

September in Lisboa brings high temperatures, with highs of 25°C (77°F) and nights dropping to 17°C (63°F). With perfect weather conditions overall, it's a good time to visit.

Rainfall in Lisboa in September

Looking at the last 30 years, the data shows about 6 days with rain, averaging 32 mm (1.3 in) for the month. When rain does fall, showers tend to be light and brief. Most days will be dry.

Temperature in Lisboa in September

September tends to be one of the perfect months in Lisboa, with 25°C (77°F) in the afternoon and 17°C (63°F) overnight. Summer occurs in September. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights drop to around 17°C (63°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 Lisboa in September

Enjoy a sunny month with about 280 hours of sunshine, the clear skies make Lisboa even more beautiful.

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

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 Lisboa's climate page.

Lisboa Temperature in September

Min Temperature 17°C (63°F)  

Max Temperature 25°C (77°F)  

Chance of Rain 20%  

Precipitation 32 mm (1.3 in)  

Rainy days 6 days  

Sunshine 280 hours *  

Percentage Sunshine 75% *  

What to Wear in Lisboa 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). Some rain is possible, so pack something to handle light showers. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.

What To Do in Lisboa in September

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

Swimming

10/10

Cycling

8/10

Walking

8/10

Barbeque

10/10

Camping

10/10

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 Lisboa's climate page.

More climate data for Lisboa

Temperature Rainfall Sunshine

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