- Book hotels in Portugal with Marriott Hotels online
- Get the best hotel rates guaranteed or receive 25% discount
- Terms and conditions apply
Portugal weather in September
Check the Portugal weather in September before you book your next holiday. This gives the best indication of the weather in September and includes figures for temperature, sunshine and rainfall. The Portugal september weather guide shown below is for Lisbon.
- 2727°C max day temperature
- 99 hours of sunshine per day
- 66 days with some rainfall
- 1717°C min night temperature
- 1212 hours of daylight per day
- LLow heat & humidity
- 2626 mm of monthly rainfall
- 66 (High) UV index
- 2020°C sea temperature
Metric (°C / mm) | Imperial (°F / inches)
Popular Portugal destinations
Portugal weather map: Select a destination
Select a destination from the Portugal weather map below to view the individual September weather guide. Can't find the Portugal weather destination you are after? Try the destination search.
Portugal weather by month
Check the weather in Portugal for a particular month by selecting from the list below.
Get FREE travel offers
Sign up to receive the latest deals and exclusive discounts on holidays, flights, hotels and more, plus inspiration on where to go when
We promise not to share your details