Weather in Murcia in September
Spain · 20-year averages, September
A good month. September works. It is not the peak, but nothing about it fights you. Highs average 31.2 °C, lows 19.4 °C, and rain falls on 5 days — nothing in the month is working against you.
September ranks 9 of 12 in Murcia: past the worst of the year but short of March, which is the month to book if the dates are open.
Rain falls on only 5 days, so an itinerary with no wet-weather fallback is a reasonable risk. Pack for 31.2 °C days and 19.4 °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: 20 days top 30 °C, making the heat continuous rather than occasional. Across the twenty years measured, the hottest September day reached 43.8 °C and the coldest night fell to 11.7 °C, and the wettest single day dropped 81 mm — roughly 231% of the month's rain in one day.
This is the volatile part. September rainfall has ranged from 2 mm to 124 mm across the twenty years measured — a 122 mm spread around an average of 35 mm. The average is real but almost no individual September looks like it, so treat the figure as the middle of a wide range rather than a forecast.
Wind is light at 8 km/h, so the temperature on the page is close to the temperature on your skin, and humidity is unremarkable at 62%.
How September sits in the year
The month is on the way down: 4.5 °C cooler than August, with October dropping another 4.2 °C. The first week and the last are not the same trip.
Daylight in September
12.5 hours of daylight, losing 1.2 hours across the month. That is between Murcia's extremes of 14.8 and 9.6 hours, so days are long enough not to constrain the plan.
Sea temperature
The sea sits at about 24.7 °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 Murcia versus nearby
If Murcia is one option among several, the nearby comparison is worth making. Cartagena is a better bet in September — 3.2 °C cooler, the same number of rain days. Valencia is close enough to be a coin toss — within a degree on temperature, 3 days more rain.
So: September is a compromise. March is 20 points better and is what Murcia 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 Murcia
| Month | High °C | Low °C | Rain days | Rain mm | Humidity % | Daylight h | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|
| January | 17.1 | 5.9 | 4 | 27 | 72 | 9.8 | 15.1 | 83 |
| February | 18.2 | 6.2 | 4 | 16 | 69 | 10.8 | 14.6 | 88 |
| March | 21.3 | 8.7 | 4 | 34 | 64 | 11.9 | 15 | 92 |
| April | 24 | 11.2 | 5 | 32 | 61 | 13.1 | 16.2 | 91 |
| May | 28 | 14.7 | 4 | 19 | 55 | 14.2 | 18.6 | 89 |
| June | 33.3 | 19.2 | 2 | 11 | 49 | 14.8 | 21.8 | 68 |
| July | 36.3 | 22 | 1 | 3 | 49 | 14.6 | 24.7 | 48 |
| August | 35.7 | 22.5 | 2 | 13 | 54 | 13.7 | 26 | 48 |
| September | 31.2 | 19.4 | 5 | 35 | 62 | 12.5 | 24.7 | 72 |
| October | 27 | 15.4 | 5 | 27 | 67 | 11.3 | 22.4 | 91 |
| November | 20.6 | 9.9 | 6 | 35 | 70 | 10.2 | 19.1 | 89 |
| December | 17.5 | 6.8 | 4 | 34 | 74 | 9.6 | 16.5 | 84 |
See all twelve months in Murcia, or where else to go in September.
Planning the rest of the trip
- Flight time to Murcia how long you are actually in the air
- Murcia time zone and the difference from home
- Days until your trip count down to the departure date