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Barcelona in September: Weather, Average temperature and Climate

Discover the weather for Barcelona in September and if it’s a good time to travel (based on historical data).
Check flight prices to Barcelona on Avionero:
September

Weather in Barcelona in September 2024

Good Weather
Warm
☀️
Sunny
Weather for Barcelona in September is typically good with an average maximum temperature of +77°F during the day, and approximately 12 sunny days monthly. Typically, there are about 7 rainy days with the total average precipitation that falls in September around 82 mm. Expect good weather and pack accordingly to enjoy the outdoors. Search flights in one click on Avionero.

Average weather

☀️
+77°F
Avg. max. temperature
+54°F
Min.
+90°F
Max.
82 mm
Total precipitation
71%
Avg. humidity
2 m/s
Avg. wind
12 ☀️
Sunny Days
11 ⛅️
Cloudy
7 🌦
Rainy
Our opinion: Barcelona has good weather in September.

Average temperature in Barcelona in September

Here are the expected maximum, average and minimum temperatures in Barcelona for September based on the historical data.
Last Year
Historical Data

Going from a maximum of +88°F during the day to a minimum of +59°F during the night, the temperature in September averages around +81°F.

The average maximum temperature goes down 44% by the end of the month, compared with the beginning of the month, from +84°F to +72°F.

Is Barcelona warm or cold in September?

Barcelona is typically warm in September.

Maximum temperatures go down compared to the previous month from +81°F to +77°F. The minimum temperature also goes down from +72°F to +66°F.

It’s generally warm, but pack a long-sleeve shirt for evenings.

September is one of the warmest months in Barcelona, here is the comparison with other months:

Climate in Barcelona in September

Barcelona weather looks like this, on average, in September and the surrounding months.
AugustSeptemberOctober
Avg. temperature
+81°F+77°F+70°F
Min. temperature
+61°F+54°F+41°F
Max. temperature
+95°F+90°F+86°F
Rainfall
54 mm82 mm86 mm
Wind
2 m/s2 m/s2 m/s
Humidity
70%71%74%
Air pressure
1014 HPa1015 HPa1015 HPa
Sunny days
161211
Cloudy days
111113
Rainy days
477
Snowy days
000

September weather is still as good as in August. It’s getting colder in September. From +81°F in the day, the average maximum temperature lowers to +77°F. Prepare for more rain. Average rainfall goes from 54 mm to 82 mm. Humidity rises from 70% to 71%. The average wind speed doesn’t change much during September, staying around 2 m/s. The days becoming less sunny, going from 16 sunny days in August to 12 in September.

October brings much the same weather, it remains good.

Wind

Wind speed in Barcelona in September based on historical data.
Last Year
Historical Data

The average wind speed is 3 m/s getting up to 5 m/s which is a light breeze; barely moving the tree leaves.

The average wind speed in Barcelona is gradually increasing during September, going from 3 m/s to 4 m/s over the course of the month.

Rain

Amount of rainfall in mm during September in Barcelona based on historical data.
Last Year
Historical Data
A chance of rain on a typical day in September stands at 63%, leading to total precipitation of around 112 mm. The maximum amount of rainfall per day is around 36 mm, which is moderate rain. September is a pretty wet month with over 19 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
September is one of the rainiest months in Barcelona, here is a comparison with other months, total mm:
Barcelona wettest month is October, where a typical day has a 23% chance of precipitation and 86 mm of rainfall per day. July, on the other hand, is the driest month with a mere 10% chance of precipitation and 28 mm of rainfall per day.

How was the weather last September in Barcelona?

This is the weather in Barcelona in September 2023:
1 September
☀️
+85°F
2 September
☀️
+84°F
3 September
🌧️
+83°F
4 September
☁️
+84°F
5 September
☀️
+85°F
6 September
☀️
+88°F
7 September
☀️
+84°F
8 September
☀️
+83°F
9 September
☁️
+81°F
10 September
☀️
+82°F
11 September
☀️
+82°F
12 September
☀️
+87°F
13 September
☀️
+86°F
14 September
☀️
+82°F
15 September
☀️
+85°F
16 September
☀️
+82°F
17 September
🌧️
+76°F
18 September
☀️
+77°F
19 September
☀️
+78°F
20 September
🌧️
+77°F
21 September
☀️
+76°F
22 September
☀️
+77°F
23 September
☀️
+78°F
24 September
🌧️
+72°F
25 September
☀️
+73°F
26 September
☀️
+76°F
27 September
☀️
+74°F
28 September
☀️
+79°F
29 September
☀️
+73°F
30 September
☀️
+71°F
In September 2023 Barcelona had 24 sunny days, 2 cloudy days, and 4 rainy days. The average maximum temperature was +81°F, with an absolute maximum of +88°F and a minimum of +72°F. The average humidity was 72%, with a maximum of 94% and a minimum of 39%. The average wind speed was 3 m/s, with a maximum of 10 m/s and a minimum of 0 m/s.
Are you planning a trip in September?

Climate Change Over the Years

This is how Barcelona climate has changed over the last 43 years.

The climate in Barcelona in September has not changed that much over the last 43 years.

The average temperature was the lowest in 2001 (+75°F) and the highest in 2016 (+89°F). The driest year was 1987 with only 25 mm of rainfall, and the wettest year was 2019 with 285 mm.

FAQ

Frequently asked questions about the weather in Barcelona in September:

Is September a good time to visit Barcelona?

September is a really good time to go to Barcelona. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Barcelona.

Can you sunbathe in Barcelona in September?

September is warm in Barcelona. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.

Is Barcelona rainy in September?

Barcelona is often rainy in September. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Barcelona in September?

The amount of sunny days in Barcelona during September varies; prepare for a mix of clouds and sun.

Other cities in Spain

Check out the weather for other cities in Spain.

Monthly weather in Barcelona

Source of the data

For this page, we’ve looked at the typical weather in Barcelona, based on historical hourly weather data from January 1, 1979, to December 31, 2022.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.