Month guide · Valls, Spain
Valls in September: weather and what to expect
September is the last month of the year with average highs above 25°C in Valls. September highs in Valls are now 1.5°C warmer than in 1991-2000. In September, Valls averages highs of 26°C and lows of 17°C, with about 10 rainy days and 77 mm of rain. Crowds in Catalonia are medium.
Is September a good time to visit?
Good for
No verdicts for Valls in September yet. They only use climate values that are precise enough to judge with.
Not ideal for
- Reliable dry weatherAbout 10 rainy days in the month
Daily highs through September
Town-level · ERA5-Land 1991-2020Highs fall about 4°C over the month. Nights below 10°C in about 1 in 5.
September in detail
Town-level · ERA5-LandCrowds, holidays and daylight
Public holidays in September 2027
- 11 Sep National Day of CataloniaCatalonia
Local (municipal) holidays are not included.
Warmer in September
Where is warm in September →| Place | High | Rain days | From Valls |
|---|---|---|---|
| Santomera, Murcia | 30°C | 5 | 409 km |
| Cobatillas, Murcia | 30°C | 5 | 411 km |
| Benferri, Valencian Community | 30°C | 5 | 398 km |
| Ceutí, Murcia | 30°C | 5 | 417 km |
| Alguazas, Murcia | 30°C | 5 | 418 km |
The nearest towns with a warmer September. Distances are in a straight line.
How September is changing
Town-level · ERA5-LandSeptember highs are 1.5°C warmer than in 1991-2000, and September rainfall is down about 25% (2016-2025 against 1991-2000). Days above 30°C in September went from 1.1 to 3.7 a year on average.
Questions about Valls in September
Is September a good time to visit Valls?
It is less suited to reliable dry weather (about 10 rainy days in the month).
How warm is Valls in September?
Average highs are 26°C and lows 17°C. August averages 30°C and October 22°C.
Does it rain much in Valls in September?
About 10 days have at least 1 mm of rain, with 77 mm in total over the month.
Is Valls busy in September?
In September 2025, nights booked through online platforms in Catalonia were about 50% of the busiest month, which we count as medium. The figure is for the whole region and leaves out hotels.
How long are the days in Valls in September?
About 12 h 32 min from sunrise to sunset in the middle of the month.
Sources
Climate: ERA5-Land, Copernicus Climate Change Service (C3S) Climate Data Store, contains modified Copernicus information (CC BY 4.0). Crowds: Eurostat, nights spent in short-stay accommodation booked through online platforms (tour_ce_omn12) (CC BY 4.0). Place names and populations: GeoNames (CC BY 4.0). Climate averages cover 1991-2020. Daylight: calculated from the town's coordinates. Full methodology