Lisboa
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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 excellent 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 excellent 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.

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% *

Lisboa Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Lisboa - 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 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

Lisboa 3-Day Forecast

More climate data for Lisboa

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.