Weather in Valencia in September

A good month. September is a solid month to be in Valencia. Highs average 30.5 °C, lows 19.5 °C, and rain falls on 8 days — nothing in the month is working against you.

September ranks 10 of 12 — near the bottom of Valencia's year. March is the month that works, and the swing between the two is 41 points, which is a different holiday rather than a slightly better one. Worth keeping in perspective: September is the weakest month of Valencia's year and it is still a perfectly good one. The downside here is small.

Rain on 8 days, 1 of them heavy. Enough to need a plan B, not enough to need a plan around it. Pack for 30.5 °C days and 19.5 °C nights; the spread matters more here than any single number.

What the averages hide

Averages flatten a month, and this one hides a few things: 17 days top 30 °C — hot spells arrive, but they break. Across the twenty years measured, the hottest September day reached 41.9 °C and the coldest night fell to 11.2 °C, and the wettest single day dropped 37 mm — roughly 76% of the month's rain in one day.

September is moderately variable: 4 mm in the driest year against 138 mm in the wettest, around an average of 49 mm. Roughly two Septembers in three land near that average, and the third does something else entirely.

Wind is light at 7.7 km/h, so the temperature on the page is close to the temperature on your skin, and humidity is unremarkable at 63%.

How September sits in the year

The month is on the way down: 4.6 °C cooler than August, with October dropping another 4.3 °C. The first week and the last are not the same trip.

Daylight in September

12.5 hours of daylight, losing 1.3 hours across the month. That is between Valencia's extremes of 14.9 and 9.4 hours, so days are long enough not to constrain the plan.

Sea temperature

The sea sits at about 25 °C in September — warm enough to stay in as long as you like. This is the warmest the water gets all year.

How busy it gets

Shoulder. The value months — prices ease off and you get the place closer to itself.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

September in Valencia versus nearby

If Valencia is one option among several, the nearby comparison is worth making. Murcia is close enough to be a coin toss — within a degree on temperature, 3 days less rain. Cartagena is a better bet in September — 2.5 °C cooler, 3 days less rain.

So: September is a compromise. March is 19 points better and is what Valencia is actually like at its best — worth moving the trip for if that is possible, and worth adjusting expectations for if it is not.

Every month in Valencia

See all twelve months in Valencia, or where else to go in September.