Weather in September in Portugal

Many people wonder what the weather conditions are in September in Portugal. Is this month a good time to go to Portugal? To answer that question we created this page with all the information you need.

What is the weather like in Portugal in September?

The weather in Portugal in September ranges from pleasant to perfect depending on the destination. September is a summer month in Portugal.

September has maximum daytime temperatures ranging from moderate in Penhas Douradas with 19°C (67°F) to warm temperatures in Beja with 29°C (85°F). Nighttime temperatures generally drop to 16°C (60°F) in Beja and 11°C (52°F) in Penhas Douradas. Temperatures can be very high, so be prepared and make sure to pack light clothes.

Precipitation ranges from low in Lagos with 15mm (0.6inch) rainfall to high in Santa Cruz das Flores with 125mm (4.9inch) rainfall. In general it is also a sunny month with an average of 280 hours of sunshine in Lisbon during the whole month.

We invite you to have a look at the map below to find out more about the different weather conditions per location in Portugal.

Where to go in Portugal in September

Find the average weather conditions in September for the most popular destinations in Portugal on the map below. Click on a destination dot for more detailed information.

Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20-29ºC / 68-84ºF and not too much precipitation (less than 90mm / 3.5inch a month).

Popular destinations in Portugal

What is the weather like in September for the 5 most popular destinations in Portugal?

Average weather in Lisbon

In September Lisbon generally has warm temperatures with maximum daytime temperatures around 27°C (80°F), minimum nighttime temperatures around 18°C (64°F) and low monthly rainfall. So on average the conditions are perfect that month.

Lisbon
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   August August
<<  
28°C / 82°F 
19°C / 66°F 
350 hours 
6mm / 0.2inch 
2 days 
27°C / 80°F 
18°C / 64°F 
280 hours 
29mm / 1.1inch 
6 days 
October   >> October
>>  
23°C / 73°F 
15°C / 59°F 
210 hours 
101mm / 4inch 
10 days 
Climate in Lisbon

Average weather in Porto

In September Porto generally has warm temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 15°C (58°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

Porto
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Monthly rainy days Rainy days
Weather conditions Weather
<<   August August
<<  
26°C / 78°F 
16°C / 60°F 
295 hours 
35mm / 1.4inch 
3 days 
24°C / 75°F 
15°C / 58°F 
224 hours 
75mm / 3inch 
9 days 
October   >> October
>>  
21°C / 69°F 
12°C / 54°F 
182 hours 
157mm / 6.2inch 
12 days 
Climate in Porto

Average weather in Albufeira

In September Albufeira generally has warm temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 17°C (63°F) and low monthly rainfall. So on average the conditions are perfect that month.

Albufeira
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Weather conditions Weather
<<   August August
<<  
29°C / 84°F 
18°C / 64°F 
357 hours 
3mm / 0.1inch 
26°C / 79°F 
17°C / 63°F 
266 hours 
19mm / 0.7inch 
October   >> October
>>  
23°C / 73°F 
15°C / 59°F 
220 hours 
64mm / 2.5inch 
Climate in Albufeira

Average weather in Lagos

In September Lagos generally has warm temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 17°C (62°F) and low monthly rainfall. So on average the conditions are perfect that month.

Lagos
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Weather conditions Weather
<<   August August
<<  
29°C / 84°F 
18°C / 64°F 
355 hours 
2mm / 0.1inch 
26°C / 79°F 
17°C / 62°F 
267 hours 
15mm / 0.6inch 
October   >> October
>>  
23°C / 73°F 
15°C / 58°F 
218 hours 
17mm / 0.7inch 
Climate in Lagos

Average weather in Portimão

In September Portimão generally has warm temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 17°C (63°F) and low monthly rainfall. So on average the conditions are perfect that month.

Portimão
Max temperature Max temp
Min temperature Min temp
Monthly sun hours Sun hours
Monthly rainfall Rainfall
Weather conditions Weather
<<   August August
<<  
29°C / 84°F 
18°C / 64°F 
357 hours 
3mm / 0.1inch 
26°C / 79°F 
17°C / 63°F 
266 hours 
19mm / 0.7inch 
October   >> October
>>  
23°C / 73°F 
15°C / 59°F 
220 hours 
64mm / 2.5inch 
Climate in Portimão

Is your destination not in the list? Have a look at other destinations in Portugal.

Is September the best time to go to Portugal?

In our opinion September is one of the best times to visit Portugal with commonly perfect weather in Lisbon. However, the weather conditions may vary depending on your destination.

On average the best time to visit Portugal is in April, May, June, July, August and September with generally perfect weather in Lisbon. The worst month is December that can have unpleasant weather conditions.

Interested in more climate information?

We have much more information about the climate in Portugal. Interested in the weather conditions in a specific month? Select the month below.

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  • Weather and climate has detailed information for almost all countries in the world. Are you going to Portugal? Get detailed historical weather averages for many cities in Portugal.

    Not sure yet where to go? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go with our weather planner.