September weather forecast
Sant Feliu de Guíxols, Spain

September, the first month of the autumn in Sant Feliu de Guíxols, is still a warm month, with an average temperature fluctuating between 15°C (59°F) and 25°C (77°F).

Temperature

The beginning of September brings a slight decrease in the average high-temperature, transitioning from 28°C (82.4°F) in August to a still moderately hot 25°C (77°F). September witnesses an average nighttime temperature of 15°C (59°F).

Rainfall

In Sant Feliu de Guíxols, Spain, in September, it is raining for 8 days, with typically 67mm (2.64") of accumulated precipitation. In Sant Feliu de Guíxols, during the entire year, the rain falls for 121 days and collects up to 688mm (27.09") of precipitation.

Sea temperature

In Sant Feliu de Guíxols, the average seawater temperature in September is 22.6°C (72.7°F).
Note: For someone not comfortable with cold, swimming in 22.6°C (72.7°F) waters might be a stretch. However, with favorable conditions like abundant sunshine, mild wind, and warm air temperatures, the experience can be improved. And while wetsuits are not a must, they can be considered.

Daylight

In Sant Feliu de Guíxols, the average length of the day in September is 12h and 29min.
On the first day of the month, sunrise is at 07:14 and sunset at 20:21. On the last day of September, sunrise is at 07:44 and sunset at 19:31 CEST.

Sunshine

In September, the average sunshine is 6h.

UV index

The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: A maximum UV index of 6 in September translates into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Take note! The UV strength of the Sun elevates when reflected off water and sand.