Portugal

Portugal Weather in September

Average temperatures, rainfall, sunshine and the best places to visit in Portugal in September.

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Lisbon Porto Cascais Ponta Delgada

Planning a journey to Portugal this September and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What to Expect in Portugal in September

Portugal offers a broad spectrum of weather patterns. In September, one might encounter temperatures that range from pleasant to very warm, and precipitation levels ranging from low to high. September is a summer month.

Temperatures

The average maximum daytime temperatures vary from pleasant in Azoia at 21°C (70°F) to very warm in Moura at 30°C (86°F). Nighttime temperatures generally drop to 17°C (63°F) in Moura and 18°C (64°F) in Azoia.

To learn more about the conditions in specific areas of Portugal, check out the map below.

Precipitation

In September, precipitation varies across different areas. From low rainfall in Vila Baleira with an average of 18 mm (0.7 in) to high rainfall in Germil with 107 mm (4.2 in).

Average sunshine

September brings good sunshine to many areas. Lisbon sees around 280 hours of sunlight, great for visitors looking for bright days.

Explore Portugal by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Best Places to Visit in Portugal in September

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Portugal.

Conditions Temperatures Precipitation
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).

Popular Destinations in Portugal

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

Temperature range in Portugal (September)

Precipitation variation in Portugal (September)

Lisbon

In September Lisbon generally has high temperatures with maximum daytime temperatures around 25°C (77°F), minimum nighttime temperatures around 17°C (63°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
27°C (81°F)
25°C (77°F)
22°C (72°F)
Min temperature
18°C (64°F)
17°C (63°F)
15°C (59°F)
Monthly sun hours
350 hours
280 hours
210 hours
Monthly rainfall
5.7 mm (0.2 in)
32 mm (1.3 in)
80 mm (3.1 in)
Monthly rainy days
2 days
6 days
11 days
Weather conditions
perfect
perfect
perfect
Climate in Lisbon →

Porto

In September Porto generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 17°C (63°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
25°C (77°F)
24°C (75°F)
21°C (70°F)
Min temperature
18°C (64°F)
17°C (63°F)
15°C (59°F)
Monthly sun hours
295 hours
224 hours
182 hours
Monthly rainfall
27 mm (1.1 in)
62 mm (2.4 in)
158 mm (6.2 in)
Monthly rainy days
6 days
9 days
14 days
Weather conditions
perfect
perfect
pleasant
Climate in Porto →

Albufeira

In September Albufeira generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 18°C (64°F) and low monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
28°C (82°F)
26°C (79°F)
23°C (73°F)
Min temperature
19°C (66°F)
18°C (64°F)
16°C (61°F)
Monthly sun hours
357 hours
266 hours
220 hours
Monthly rainfall
2.7 mm (0.1 in)
23 mm (0.9 in)
67 mm (2.6 in)
Monthly rainy days
a single day
2 days
8 days
Weather conditions
perfect
perfect
perfect
Climate in Albufeira →

Lagos

In September Lagos generally has high temperatures with maximum daytime temperatures around 25°C (77°F), minimum nighttime temperatures around 18°C (64°F) and low monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
26°C (79°F)
25°C (77°F)
22°C (72°F)
Min temperature
19°C (66°F)
18°C (64°F)
16°C (61°F)
Monthly sun hours
355 hours
267 hours
218 hours
Monthly rainfall
2.6 mm (0.1 in)
21 mm (0.8 in)
66 mm (2.6 in)
Monthly rainy days
a single day
3 days
9 days
Weather conditions
perfect
perfect
perfect
Climate in Lagos →

Portimão

In September Portimão generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 18°C (64°F) and low monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
28°C (82°F)
26°C (79°F)
23°C (73°F)
Min temperature
19°C (66°F)
18°C (64°F)
16°C (61°F)
Monthly sun hours
357 hours
266 hours
220 hours
Monthly rainfall
2.8 mm (0.1 in)
22 mm (0.9 in)
68 mm (2.7 in)
Monthly rainy days
a single day
3 days
9 days
Weather conditions
perfect
perfect
perfect
Climate in Portimão →

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

In our records: Portugal September extremes

Notable September records observed across cities in Portugal in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • From our sources, the wettest September day in Portugal brought 300 mm (12 in) in Santa Maria Island on September 22, 1982.

Popular cities in September

Day & night temperatures, rainfall and average weather in Portugal in September.

City Weather Day temp Night temp Rainfall
Lisbon 25°C (77°F) 17°C (63°F) 32 mm (1.3 in)
Porto 24°C (75°F) 17°C (63°F) 62 mm (2.4 in)
Cascais 22°C (72°F) 18°C (64°F) 31 mm (1.2 in)
Ponta Delgada 24°C (75°F) 20°C (68°F) 69 mm (2.7 in)
Coimbra 27°C (81°F) 15°C (59°F) 57 mm (2.2 in)
Braga 25°C (77°F) 14°C (57°F) 91 mm (3.6 in)

Portugal weather in September: frequently asked questions

What is the weather like in Portugal in September?

September in Portugal brings perfect weather. In Lisbon, daytime temperatures are typically around 25°C (77°F) and nighttime lows hover near 17°C (63°F).

What is the average temperature in Portugal in September?

Average temperatures in Portugal during September range from a nighttime low near 17°C (63°F) to a daytime high around 25°C (77°F) in Lisbon.

Does Portugal get a lot of rain in September?

Not particularly. Lisbon averages just 32 mm (1.3 in) of rain in September, making it a mostly dry month for Portugal.

Is September a Good Time to Visit Portugal?

We consider September to be one of the best times to travel to Portugal. Typically, the climate in Lisbon is perfect.

On average, the best time to visit Portugal is in May, June, July, August, September and October with generally perfect weather in Lisbon. In contrast, January, February and December tend to have tolerable weather conditions.

Interested in more climate information?

We have much more information about the climate in Portugal.

Weather and climate has detailed information for every country 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 recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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