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Playa de San Juan weather in September 2025
Expect 28°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Playa de San Juan in September. Check more long-term weather averages for Playa de San Juan in September before you book your next holiday to Costa Blanca in 2025/2026.
- 28°C max day temperature
28 - 8 hours of sunshine per day
- 6 days with some rainfall
6 - 17°C min night temperature
17 - 12 hours of daylight per day
12 - Moderate heat & humidity
M - 37 mm of monthly rainfall
37 - 7 (High) UV index
7 - 25°C sea temperature
25
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The September weather guide for Costa Blanca (Playa de San Juan) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about the Costa Blanca
How hot is it in Playa de San Juan in September?
Daytime temperatures usually reach 28°C in Playa de San Juan in September with moderate heat and humidity, falling to 17°C at night.
How sunny is it in Playa de San Juan in September?
There are normally 8 hours of bright sunshine each day in Playa de San Juan in September - that's 65% of daylight hours.
How warm is the sea around Playa de San Juan in September?
The average sea temperature around Playa de San Juan in September is 25°C.
Does it rain in Playa de San Juan in September?
There are usually 6 days with some rain in Playa de San Juan in September and the average monthly rainfall is 37mm.
Playa de San Juan September sunrise & sunset times
Browse the sunrise and sunset times for Playa de San Juan in September 2025. Select a month to view Playa de San Juan sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Monday, 1st September 2025 | 06:31 | 19:31 |
| Monday, 15th September 2025 | 06:43 | 19:10 |
| Tuesday, 30th September 2025 | 06:57 | 18:46 |
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