Alentejo

Alentejo Weather in September

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

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Vila Nova de Milfontes Évora Zambujeira do Mar Odeceixe

Considering a trip to the Alentejo, Portugal this September and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What to Expect in the Alentejo in September

The Alentejo, Portugal is a region in Portugal. September in the Alentejo generally has temperatures that range from warm to very warm, with precipitation levels ranging from low to moderate. It's the height of summer.

Temperatures

During the day temperatures vary from warm in Sines at 24°C (75°F) to very warm in Moura at 30°C (86°F). At night it cools down to 17°C (63°F) in Moura and 18°C (64°F) in Sines.

For a closer look at conditions across the Alentejo, Portugal, refer to the map below.

Precipitation

In September, precipitation varies across different areas. From low rainfall in Albernoa with an average of 25 mm (1 in) to moderate rainfall in Penhas Douradas with 61 mm (2.4 in).

Average sunshine

Several destinations enjoy plenty of sunshine this month. Vila Nova de Milfontes sees close to 270 hours of sunlight, making it great for sun lovers.

Explore the Alentejo by month

Pick a month to see the average temperature, rainfall and sunshine in the Alentejo — and find the best time to visit. (based on Vila Nova de Milfontes)

January16°C (61°F) February17°C (63°F) March19°C (66°F) April20°C (68°F) May22°C (72°F) June25°C (77°F) This monthJuly27°C (81°F) August27°C (81°F) September26°C (79°F) October23°C (73°F) November19°C (66°F) December17°C (63°F)
Best Time to Visit the Alentejo →

Best Places to Visit in the Alentejo in September

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

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 the Alentejo

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

Temperature range in the Alentejo (September)

Precipitation variation in the Alentejo (September)

Vila Nova de Milfontes

In September Vila Nova de Milfontes generally has high 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.

« August
September
October »
August
September
October
Max temperature
27°C (81°F)
26°C (79°F)
23°C (73°F)
Min temperature
18°C (64°F)
17°C (63°F)
15°C (59°F)
Monthly sun hours
340 hours
270 hours
215 hours
Monthly rainfall
4.8 mm (0.2 in)
27 mm (1.1 in)
72 mm (2.8 in)
Monthly rainy days
a single day
4 days
9 days
Weather conditions
perfect
perfect
perfect
Climate in Vila Nova de Milfontes →

Évora

In September Évora generally has high temperatures with maximum daytime temperatures around 30°C (86°F), minimum nighttime temperatures around 16°C (61°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

« August
September
October »
August
September
October
Max temperature
34°C (93°F)
30°C (86°F)
24°C (75°F)
Min temperature
18°C (64°F)
16°C (61°F)
13°C (55°F)
Monthly sun hours
340 hours
263 hours
206 hours
Monthly rainfall
5.5 mm (0.2 in)
33 mm (1.3 in)
81 mm (3.2 in)
Monthly rainy days
2 days
5 days
10 days
Weather conditions
pleasant
pleasant
perfect
Climate in Évora →

Zambujeira do Mar

In September Zambujeira do Mar generally has high 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.

« August
September
October »
August
September
October
Max temperature
27°C (81°F)
26°C (79°F)
23°C (73°F)
Min temperature
18°C (64°F)
17°C (63°F)
15°C (59°F)
Monthly sun hours
340 hours
270 hours
215 hours
Monthly rainfall
4.8 mm (0.2 in)
27 mm (1.1 in)
72 mm (2.8 in)
Monthly rainy days
a single day
3 days
9 days
Weather conditions
perfect
perfect
perfect
Climate in Zambujeira do Mar →

Odeceixe

In September Odeceixe generally has high 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.

« August
September
October »
August
September
October
Max temperature
27°C (81°F)
26°C (79°F)
23°C (73°F)
Min temperature
18°C (64°F)
17°C (63°F)
15°C (59°F)
Monthly sun hours
340 hours
270 hours
215 hours
Monthly rainfall
4.4 mm (0.2 in)
26 mm (1 in)
71 mm (2.8 in)
Monthly rainy days
a single day
3 days
9 days
Weather conditions
perfect
perfect
perfect
Climate in Odeceixe →

Marvão

In September Marvão generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 16°C (61°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
33°C (91°F)
29°C (84°F)
23°C (73°F)
Min temperature
18°C (64°F)
16°C (61°F)
12°C (54°F)
Monthly rainfall
9.4 mm (0.4 in)
39 mm (1.5 in)
88 mm (3.5 in)
Monthly rainy days
3 days
7 days
12 days
Weather conditions
perfect
perfect
perfect
Climate in Marvão →

Is your destination not in the list? Have a look at all destinations in the Alentejo, 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 the Alentejo in September.

City Weather Day temp Night temp Rainfall
Vila Nova de Milfontes 26°C (79°F) 17°C (63°F) 27 mm (1.1 in)
Évora 30°C (86°F) 16°C (61°F) 33 mm (1.3 in)
Zambujeira do Mar 26°C (79°F) 17°C (63°F) 27 mm (1.1 in)
Odeceixe 26°C (79°F) 17°C (63°F) 26 mm (1 in)
Marvão 29°C (84°F) 16°C (61°F) 39 mm (1.5 in)
Elvas 30°C (86°F) 16°C (61°F) 29 mm (1.1 in)

The Alentejo weather in September: frequently asked questions

What is the weather like in the Alentejo, Portugal in September?

In September, the Alentejo, Portugal generally has perfect weather conditions. Vila Nova de Milfontes sees daytime temperatures near 26°C (79°F), with nights cooling to roughly 17°C (63°F).

What is the average temperature in the Alentejo, Portugal in September?

Vila Nova de Milfontes averages a daytime maximum of 26°C (79°F) in September, with overnight lows close to 17°C (63°F).

Does the Alentejo, Portugal get a lot of rain in September?

Rain is generally moderate to light in the Alentejo, Portugal during September, with Vila Nova de Milfontes averaging close to 27 mm (1.1 in).

Is September a Good Time to Visit the Alentejo, Portugal?

We consider September to be one of the best times to travel to the Alentejo, Portugal. Typically, the climate in Vila Nova de Milfontes is perfect.

On average, the best time to visit the Alentejo, Portugal is in April, May, June, July, August, September and October with generally perfect weather in Vila Nova de Milfontes. The weather in January, February and December, on the other hand, tends to be tolerable.

Interested in more climate information?

We have much more information about the climate in the Alentejo.

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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