Spain
Mallorca in September: weather, sea & travel advice
This month's data profile
Sea conditions lead
Mallorca in September is climatically well suited to family holidays, beach holidays and city breaks. The average daily high is around 26 °C, and the sea is about 25 °C. With about 11 rainy days it is wet.
Historical monthly averages, not a weather forecast. Individual days and years can differ substantially.
Rank among 12 monthly averages
83/100 · #4
Warmth
#3
Dryness
#11
Sun
#6
Sea warmth
#2
Published best categories: Overall, Beach, Family
Mallorca · SeptemberPhoto: Steffen Mokosch · CC BY-SA 4.0Climate facts
- Average high
- 26 °C
- Average low
- 22 °C
- Sea
- 25 °C
- Rainy days (est.)
- 11 rainy days (est.)
- Sun (est.)
- 6 h/day
- Humidity
- 70 %
For your trip planning
September: warm water, more rain than August
Compared with August, our average daily highs and lows fall; the sea cools less sharply. Rainfall and rainy-day counts rise. September therefore offers less heat, not an equally dry alternative. Use water temperature for beach plans and a separate local weather check for the Tramuntana. October has cooler water and more rainy days than September.
Climate evidence with direct month comparison
The highlighted row is the selected month. Precipitation total and rainy days are separate monthly averages.
| Month | Avg high °C | Avg low °C | Rainy days (est.) | Precipitation mm | Sun h/day (est.) | Humidity % | Wind m/s | Sea °C | Score |
|---|---|---|---|---|---|---|---|---|---|
| August | 29 | 24 | 5 | 25 | 7.7 | 67 | 3.2 | 26 | 86 |
| September (selected) | 26 | 22 | 11 | 66 | 5.8 | 70 | 3.6 | 25 | 83 |
| October | 23 | 19 | 11 | 72 | 4.2 | 75 | 4.1 | 23 | 78 |
How do the previous and next months compare?
Baseline: September (83/100)
Positive and negative values show the change from the selected month.
| Score Δ | Average high Δ | Average low Δ | Rainy days Δ | Rain Δ | Sun Δ | Humidity Δ | Wind Δ | Sea Δ | |
|---|---|---|---|---|---|---|---|---|---|
| August | +3 | +3.1 °C | +2.3 °C | -6 | -41.3 mm | +1.9 h | -3.4 % | -0.4 m/s | +1.2 °C |
| October | -5 | -3.4 °C | -3.1 °C | -0.2 | +5.4 mm | -1.6 h | +5.1 % | +0.5 m/s | -2.6 °C |
All twelve months in context
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Useful next decisions
Frequently asked questions
How warm is Mallorca in September?
The average daily high is around 26 °C, with an average daily low of about 22 °C.
Can you swim in Mallorca in September?
The sea is about 25 °C (warm).
Does it rain a lot in Mallorca in September?
The curated estimate is about 11 rainy days per month, not a directly measured long-term average. Total precipitation averages around 66 mm for the month. A rainy day does not mean all-day rain.
When is the best time to visit Mallorca?
By the climate score, June, July, August and September are the strongest months for Mallorca. For a beach trip: June, July, August and September. September is one of them.