Month guide · La Unión, Spain
La Unión in September: weather and what to expect
September is the last month of the year with average highs above 25°C in La Unión. September highs in La Unión are now 1.0°C warmer than in 1991-2000. In September, La Unión averages highs of 26°C and lows of 21°C, with about 4 rainy days and 38 mm of rain. Our rules rate it good for walking and cycling. Crowds in Murcia are medium.
Is September a good time to visit?
Good for
- Walking and cyclingHighs of 26°C with about 4 rainy days
Not ideal for
Nothing stands out as a weaker fit.
Daily highs through September
Town-level · ERA5-Land 1991-2020Highs fall about 3°C over the month. A day above 30°C happens in roughly 1 September in 4.
September in detail
Town-level · ERA5-LandCrowds, holidays and daylight
Public holidays in September 2027
No national or regional public holidays.
Local (municipal) holidays are not included.
Warmer in September
Where is warm in September →| Place | High | Rain days | From La Unión |
|---|---|---|---|
| Santomera, Murcia | 30°C | 5 | 51 km |
| Cobatillas, Murcia | 30°C | 5 | 52 km |
| Alguazas, Murcia | 30°C | 5 | 58 km |
| Benferri, Valencian Community | 30°C | 5 | 59 km |
| Ceutí, Murcia | 30°C | 5 | 62 km |
The nearest towns with a warmer September. Distances are in a straight line.
How September is changing
Town-level · ERA5-LandSeptember highs are 1.0°C warmer than in 1991-2000, and September rainfall is up about 25% (2016-2025 against 1991-2000).
Questions about La Unión in September
Is September a good time to visit La Unión?
Our rules rate September good for walking and cycling (highs of 26°C with about 4 rainy days).
How warm is La Unión in September?
Average highs are 26°C and lows 21°C. August averages 28°C and October 22°C.
Does it rain much in La Unión in September?
About 4 days have at least 1 mm of rain, with 38 mm in total over the month.
Is La Unión busy in September?
In September 2025, nights booked through online platforms in Murcia were about 40% 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 La Unión in September?
About 12 h 29 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