September weather forecast
Valencia, Spain

As summer secedes, the weather in September in Valencia transitions towards pleasant autumn conditions. The decrease in temperatures is noticeable, yet the month remains considerably warm. A substantial increase in rainfall sets it apart from the preceding summer months. Daylight hours shorten, and the UV index falls, reflecting September's progression away from summer. Despite the increasing rain occurrences, comfortable sea and air temperatures continue to invite outdoor activities including swimming.

Temperature

The average high-temperature is a moderately hot 27.9°C (82.2°F) in September, hardly different from the 30.2°C (86.4°F) recorded in August. Valencia witnesses a consistent average low-temperature of 19.1°C (66.4°F) throughout September.

Rainfall

In September, in Valencia, the rain falls for 5 days. Throughout September, 70mm (2.76") of precipitation is accumulated. Throughout the year, in Valencia, there are 46 rainfall days, and 475mm (18.7") of precipitation is accumulated.

Sea temperature

In Valencia, in September, the average water temperature is 24.7°C (76.5°F).
Note: Imagine a swim in 24.7°C (76.5°F) waters. How you'd feel depends on your cold sensitivity, the sun's rays, the caress of the wind, and the warmth enveloping you. Comparatively, Olympic swimmers train in waters between 25°C (77°F) and 28°C (82.4°F).

Daylight

The average length of the day in September is 12h and 26min.
On the first day of September in Valencia, sunrise is at 07:30 and sunset at 20:32. On the last day of the month, sunrise is at 07:57 and sunset at 19:45 CEST.

Sunshine

In Valencia, the average sunshine in September is 7.8h.

UV index

In Valencia, Spain, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 6 during September translates into the following guidance:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Remember that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. Make an effort to avoid direct sun exposure during these hours. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Warning! The Sun's UV rays intensify with reflections from sand and water.