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Terrassa
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Weather in Terrassa for September 2025

Your guide to Terrassa weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Terrassa is slightly cooler than the historical average by -0.6 °C.

  • Expect cooler weather in the next days in Terrassa with the forecast suggesting a temperature of 23.2 °C, lower than the historical average.

  • In general, the average temperature in Terrassa at the beginning of September is 27.1 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 21.4 °C by the end of September.

    • Rain 🌧️

  • The climate of Terrassa in September is notably wet, with an average of 14 rainy days, and a total of 72.2 mm of precipitation.

    • More

  • Is September a good time to visit Terrassa? check out the best time to travel to Terrassa page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
16
Dry days
Average rainy days
14
Rainy days
Average snowy days
0
Snow days
Average temperatures
25°/19°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
58 %
Avg humidity

Terrassa Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Cloudy
27°
2
Partly cloudy
27°
3
Partly cloudy
27°
4
Sunny
27°
5
Patchy rain possible
27°
6
Sunny
27°
7
Sunny
28°
8
Sunny
26°
9
Sunny
24°
10
Patchy rain possible
27°
11
Moderate rain at times
24°
12
Light rain shower
24°
13
Light rain shower
23°
14
Sunny
26°
15
Sunny
26°
16
Patchy rain possible
25°
17
Sunny
30°
18
Sunny
28°
19
Sunny
28°
20
Patchy rain possible
27°
21
Moderate rain
23°
22
Moderate rain
20°
23
Patchy rain possible
21°
24
Patchy rain possible
18°
25
Partly cloudy
22°
26
Patchy rain possible
23°
27
Patchy rain possible
19°
28
Partly cloudy
20°
29
Patchy rain possible
21°
30
Sunny
27°

Temperatures trend during September in Terrassa

See the weather trend as well as the moving average line

September weather in Terrassa day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Cloudy
Cloudy
 27° /21° 4.3 mm 6
2 Sept. Partly cloudy
Partly cloudy
 27° /20° 0.5 mm 7
3 Sept. Partly cloudy
Partly cloudy
 27° /19° 5.6 mm 6
4 Sept. Sunny
Sunny
 27° /20° 7.7 mm 6
5 Sept. Patchy rain possible
Patchy rain possible
 27° /20° 0.4 mm 6
6 Sept. Sunny
Sunny
 27° /20° 0.6 mm 6
7 Sept. Sunny
Sunny
 28° /21° 0.4 mm 7
8 Sept. Sunny
Sunny
 26° /20° 3.5 mm 6
9 Sept. Sunny
Sunny
 24° /19° 9 mm 6
10 Sept. Patchy rain possible
Patchy rain possible
 27° /19° 0 mm 6
11 Sept. Moderate rain at times
Moderate rain at times
 24° /20° 1.3 mm 5
12 Sept. Light rain shower
Light rain shower
 24° /18° 3 mm 5
13 Sept. Light rain shower
Light rain shower
 23° /18° 7 mm 5
14 Sept. Sunny
Sunny
 26° /18° 0 mm 6
15 Sept. Sunny
Sunny
 26° /18° 8.4 mm 6
16 Sept. Patchy rain possible
Patchy rain possible
 25° /22° 0.1 mm 0.6
17 Sept. Sunny
Sunny
 30° /21° 0 mm 1.5
18 Sept. Sunny
Sunny
 28° /22° 0 mm 1.5
19 Sept. Sunny
Sunny
 28° /21° 0 mm 1.5
20 Sept. Patchy rain possible
Patchy rain possible
 27° /20° 0.2 mm 1.4
21 Sept. Moderate rain
Moderate rain
 23° /20° 5.9 mm 5
22 Sept. Moderate rain
Moderate rain
 20° /16° 5.2 mm 4
23 Sept. Patchy rain possible
Patchy rain possible
 21° /13° 0.6 mm 4
24 Sept. Patchy rain possible
Patchy rain possible
 18° /15° 0.5 mm 4
25 Sept. Partly cloudy
Partly cloudy
 22° /14° 0 mm 5
26 Sept. Patchy rain possible
Patchy rain possible
 23° /16° 0.6 mm 4
27 Sept. Patchy rain possible
Patchy rain possible
 19° /14° 1 mm 4
28 Sept. Partly cloudy
Partly cloudy
 20° /13° 0.1 mm 5
29 Sept. Patchy rain possible
Patchy rain possible
 21° /15° 0.2 mm 4
30 Sept. Sunny
Sunny
 27° /19° 0 mm 7
Next
Important Notice
Our weather forecast for Terrassa in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Terrassa forecast closer to your planned date for the most up-to-date weather information.
Change Month
‹
›

Terrassa weather in September vs August vs October

Compare September weather in Terrassa with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
AugustSeptemberOctober
WeatherSunny
Sunny
Patchy rain possible
Patchy rain possible
Patchy rain possible
Patchy rain possible
Temperatures30°/23°25°/19°22°/16°
Rainfall61 mm72 mm123 mm
Wind16.9 km/h15.6 km/h16.3 km/h
Humidity55%58%64%
Rainy days10 days14 days16 days
Dry days21 days16 days15 days

Planning a trip to Terrassa? Discover the best time to visit

Terrassa in September - FAQ

What are the expected maximum and minimum temperatures in Terrassa during September?
During September, expect a variety of temperatures with highs around 25° and lows near 19°, suitable for diverse activities and preferences.
How much rainfall should be expected in Terrassa during September?
Moderate rainfall is anticipated in Terrassa during September, with a total of 72.2 mm spread over approximately 14 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Terrassa during September?
The average wind speed in Terrassa during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Terrassa in September?

As you prepare for your trip to Terrassa in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Terrassa, during September, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable pants
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
  • Accessories
    • Sunglasses: For sun protection
    • Sun Hats: Wide-brimmed hats for sun protection in warm weather
    • Umbrellas/Raincoats: For rainy days

September rainfall patterns in Terrassa

Explore the daily rainfall trends and prepare for Terrassas September weather 💧

UV exposure in Terrassa during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

Quick links

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Location coordinates Where is Terrassa?

Get accurate weather forecasts for Terrassa, located at latitude 41.567 and longitude 2.017. Stay updated with localized weather information tailored for Terrassa.

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