Month guide · Constantí, Spain
Constantí in September: weather and what to expect
September is the wettest month of the year in Constantí. September highs in Constantí are now 1.5°C warmer than in 1991-2000. In September, Constantí averages highs of 26°C and lows of 17°C, with about 10 rainy days and 74 mm of rain. Crowds in Catalonia are medium.
Is September a good time to visit?
Good for
No verdicts for Constantí in September yet. They only use climate values that are precise enough to judge with.
Not ideal for
Nothing stands out as a weaker fit.
Daily highs through September
Town-level · ERA5-Land 1991-2020Highs fall about 4°C over the month.
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 Constantí |
|---|---|---|---|
| Santomera, Murcia | 30°C | 5 | 395 km |
| Cobatillas, Murcia | 30°C | 5 | 396 km |
| Benferri, Valencian Community | 30°C | 5 | 383 km |
| Ceutí, Murcia | 30°C | 5 | 403 km |
| Alguazas, Murcia | 30°C | 5 | 404 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 1.3 to 3.5 a year on average.
Questions about Constantí in September
How warm is Constantí in September?
Average highs are 26°C and lows 17°C. August averages 30°C and October 22°C.
Does it rain much in Constantí in September?
About 10 days have at least 1 mm of rain, with 74 mm in total over the month.
Is Constantí 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 Constantí 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