Beiras region Weather in September

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

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Coimbra Aveiro Seia Viseu

Planning a getaway to the Beiras region, Portugal this September and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in the Beiras region in September

The Beiras region, Portugal is a region in Portugal. September in the Beiras region generally has warm temperatures, with moderate precipitation. September is a summer month.

Temperatures

The average maximum temperatures are warm and range from 25°C (77°F) in Aveiro to 29°C (84°F) in Idanha-a-Nova. Nighttime temperatures generally drop to 16°C (61°F) in Idanha-a-Nova and 16°C (61°F) in Aveiro.

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

Precipitation

In September, precipitation varies across different areas. From moderate rainfall in Idanha-a-Nova with an average of 37 mm (1.5 in) to moderate rainfall in Seia with 65 mm (2.6 in).

Average sunshine

Many locations offer abundant sunshine during this month. For instance, Coimbra enjoys approximately 230 hours of sunlight, ideal for those seeking sunny weather.

Explore the Beiras region by month

Pick a month to see the average temperature, rainfall and sunshine in the Beiras region — and find the best time to visit. (based on Coimbra)

January15°C (59°F) February16°C (61°F) March19°C (66°F) April20°C (68°F) May23°C (73°F) This monthJune26°C (79°F) July29°C (84°F) August29°C (84°F) September27°C (81°F) October22°C (72°F) November17°C (63°F) December15°C (59°F)
Best Time to Visit the Beiras region →

Best Places to Visit in the Beiras region in September

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

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 Beiras region

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

Temperature range in the Beiras region (September)

Precipitation variation in the Beiras region (September)

Coimbra

In September Coimbra generally has high temperatures with maximum daytime temperatures around 27°C (81°F), minimum nighttime temperatures around 15°C (59°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
29°C (84°F)
27°C (81°F)
22°C (72°F)
Min temperature
16°C (61°F)
15°C (59°F)
12°C (54°F)
Monthly sun hours
301 hours
230 hours
187 hours
Monthly rainfall
18 mm (0.7 in)
57 mm (2.2 in)
127 mm (5 in)
Monthly rainy days
5 days
9 days
13 days
Weather conditions
perfect
perfect
pleasant
Climate in Coimbra →

Aveiro

In September Aveiro generally has high temperatures with maximum daytime temperatures around 25°C (77°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
27°C (81°F)
25°C (77°F)
22°C (72°F)
Min temperature
17°C (63°F)
16°C (61°F)
14°C (57°F)
Monthly sun hours
301 hours
230 hours
187 hours
Monthly rainfall
21 mm (0.8 in)
59 mm (2.3 in)
148 mm (5.8 in)
Monthly rainy days
5 days
9 days
13 days
Weather conditions
perfect
perfect
pleasant
Climate in Aveiro →

Seia

In September Seia generally has high temperatures with maximum daytime temperatures around 25°C (77°F), minimum nighttime temperatures around 13°C (55°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
29°C (84°F)
25°C (77°F)
20°C (68°F)
Min temperature
15°C (59°F)
13°C (55°F)
10°C (50°F)
Monthly sun hours
329 hours
228 hours
166 hours
Monthly rainfall
21 mm (0.8 in)
65 mm (2.6 in)
144 mm (5.7 in)
Monthly rainy days
5 days
9 days
13 days
Weather conditions
perfect
perfect
pleasant
Climate in Seia →

Viseu

In September Viseu generally has high temperatures with maximum daytime temperatures around 25°C (77°F), minimum nighttime temperatures around 14°C (57°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
29°C (84°F)
25°C (77°F)
20°C (68°F)
Min temperature
15°C (59°F)
14°C (57°F)
11°C (52°F)
Monthly sun hours
329 hours
228 hours
166 hours
Monthly rainfall
23 mm (0.9 in)
63 mm (2.5 in)
150 mm (5.9 in)
Monthly rainy days
5 days
9 days
13 days
Weather conditions
perfect
perfect
pleasant
Climate in Viseu →

Gouveia

In September Gouveia generally has high temperatures with maximum daytime temperatures around 25°C (77°F), minimum nighttime temperatures around 13°C (55°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

« August
September
October »
August
September
October
Max temperature
29°C (84°F)
25°C (77°F)
20°C (68°F)
Min temperature
15°C (59°F)
13°C (55°F)
10°C (50°F)
Monthly sun hours
329 hours
228 hours
166 hours
Monthly rainfall
19 mm (0.7 in)
59 mm (2.3 in)
130 mm (5.1 in)
Monthly rainy days
5 days
9 days
13 days
Weather conditions
perfect
perfect
pleasant
Climate in Gouveia →

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

City Weather Day temp Night temp Rainfall
Coimbra 27°C (81°F) 15°C (59°F) 57 mm (2.2 in)
Aveiro 25°C (77°F) 16°C (61°F) 59 mm (2.3 in)
Seia 25°C (77°F) 13°C (55°F) 65 mm (2.6 in)
Viseu 25°C (77°F) 14°C (57°F) 63 mm (2.5 in)
Gouveia 25°C (77°F) 13°C (55°F) 59 mm (2.3 in)
Castelo Branco 29°C (84°F) 16°C (61°F) 41 mm (1.6 in)

The Beiras region weather in September: frequently asked questions

What is the weather like in the Beiras region, Portugal in September?

Expect perfect weather across the Beiras region, Portugal in September. The popular destination of Coimbra averages 27°C (81°F) by day and 15°C (59°F) at night during this summer month.

What is the average temperature in the Beiras region, Portugal in September?

In Coimbra, the average daytime high in September is 27°C (81°F), while nighttime temperatures drop to around 15°C (59°F).

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

Not particularly. Coimbra averages just 57 mm (2.2 in) of rain in September, making it a mostly dry month for the Beiras region, Portugal.

Is September a Good Time to Visit the Beiras region, Portugal?

We believe that September is one of the best times to visit the Beiras region, Portugal with overall perfect weather in Coimbra.

Generally speaking, the best visiting conditions can be found in May, June, July, August and September offering mostly perfect weather in Coimbra. On the other hand, the weather in January, November and December tend to be unpleasant.

Interested in more climate information?

We have much more information about the climate in the Beiras region.

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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