Spain Mallorca Weather in September — Climate Guide
September in Mallorca is very-high
Mallorca Weather in September — Quick Answer
As of 2026- Avg temp
- 28° / 18°
- Rainfall
- 51mm · 6 days
- Crowds
- Busy
As of 2026, Mallorca in September averages a high of 28°C and low of 18°C with 51mm of rain over about 6 days. Warm late summer — around 28°C/18°C, still hot by day, balmy evenings. Short sleeves, swimwear, a light layer for evenings. The sea is still warm (~24°C). UV 7 — sunglasses, hat, SPF 30+.
September is very-high for Mallorca.
September is one of Mallorca's smartest times to visit — still warm and summery around 28°C/18°C, the sea bath-warm (~24°C), but with the August crowds melting away and prices easing, with about 51mm of rain (some in thundery bursts).
The September signature is warm-sea beach days without the peak crush: the calas relax, parking eases, and you can swim, take boat trips, and enjoy the coast at a calmer pace. Inland, the Binissalem grape harvest (Vermada) celebrates the island's wine.
Travel score
Mallorca September Weather Stats
Avg High
28°C
Avg Low
18°C
Rainy Days
6
51mm total
Sunshine
8h
Daily avg
Humidity
70%
comfortable
UV Index
7
High
Wind
12 km/h
Gusts 24
Sea Temp
24°C
Avg water temp
Crowds
Busy
At attractions
September Sunrise & Sunset
Air Quality
PM2.5
12 μg/m³
PM10
23 μg/m³
Status
good
Feels-Like Temperature & Wind
Feels like
Daytime
29°C
Nighttime
19°C
Humidity and wind affect how the actual temperature feels.
Wind
12 km/h
Max gust 24 km/h
Activities Recommended for September
September Travel Pros & Cons
Pros
- Sea still warm and swimmable (~24°C)
- Crowds thin sharply
- Better value than peak summer
- Comfortable for hiking and sightseeing
- Binissalem grape-harvest festival
Cons
- Rainfall rising (~51mm)
- Occasional heavy thundery downpours
- Some beach spots winding down late month
- Still warm at midday
September Events & Festivals
- Sea still warm and swimmable (~24°C)
- Crowds thin sharply after late August
- Binissalem grape harvest (Vermada, September) — wine festival
- Occasional autumn thundery downpours
- Excellent shoulder-season value returns
Mallorca in September — Full Picture
September is one of Mallorca's smartest times to visit — still warm and summery around 28°C/18°C, the sea bath-warm (~24°C), but with the August crowds melting away and prices easing, with about 51mm of rain (some in thundery bursts).
The September signature is warm-sea beach days without the peak crush: the calas relax, parking eases, and you can swim, take boat trips, and enjoy the coast at a calmer pace. Inland, the Binissalem grape harvest (Vermada) celebrates the island's wine.
It's a near-ideal all-rounder — beaches and calas, the Sóller train and Tramuntana (cooler than midsummer), Cap de Formentor, and inland wine country — with comfortable weather and far better value than July-August.
The honest caveat: rainfall ticks up and September can bring the occasional heavy thundery downpour (the Mediterranean 'gota fría' risk grows later in autumn), so pack a light rain layer. But for warm sea, calmer crowds, and good prices, September is among the best months on the island.
What to Wear & What to Pack
Warm late summer — around 28°C/18°C, still hot by day, balmy evenings. Short sleeves, swimwear, a light layer for evenings. The sea is still warm (~24°C). UV 7 — sunglasses, hat, SPF 30+.
Packing Checklist
Seasonal Weather Overview
Spring (Mar·Apr·May)
19.7°C
10°C
5.7/mo
Summer (Jun·Jul·Aug)
29.3°C
19.3°C
2.3/mo
Autumn (Sep·Oct·Nov)
Current23.7°C
14.3°C
7.3/mo
Winter (Dec·Jan·Feb)
15.3°C
6.3°C
6.7/mo
Mallorca Monthly Weather Comparison
| Month | High | Low | Rain | Sun | Humid | UV | Crowd | Price |
|---|---|---|---|---|---|---|---|---|
| 15° | 6° | 7d·43mm | 5.5h | 77% | 2 | Quiet | Low season | |
| 15° | 6° | 6d·38mm | 6h | 76% | 3 | Quiet | Low season | |
| 17° | 8° | 6d·38mm | 6.5h | 74% | 4 | Moderate | Low season | |
| April (Best) | 19° | 9° | 6d·39mm | 7.5h | 72% | 6 | Busy | Shoulder |
| May (Best) | 23° | 13° | 5d·32mm | 9h | 70% | 8 | Busy | Shoulder |
| June (Best) | 27° | 17° | 3d·16mm | 10h | 67% | 9 | Busy | Peak |
| 30° | 20° | 1d·7mm | 11h | 65% | 10 | Very busy | Peak | |
| 31° | 21° | 3d·22mm | 10.5h | 67% | 9 | Very busy | Peak | |
| September (Best) | 28° | 18° | 6d·51mm | 8h | 70% | 7 | Busy | Shoulder |
| 24° | 15° | 8d·72mm | 6.5h | 74% | 5 | Moderate | Shoulder | |
| 19° | 10° | 8d·58mm | 5.5h | 76% | 3 | Quiet | Low season | |
| 16° | 7° | 7d·50mm | 5h | 77% | 2 | Quiet | Low season |
View Other Months
Mallorca September Hotel Picks
Frequently Asked Questions
Is September a good time to visit Mallorca?
Mallorca in September is very-high. Tourist crowds are busy and flight/hotel prices are shoulder.
What's the average temperature in Mallorca in September?
Mallorca September averages a high of 28°C and a low of 18°C.
Does it rain much in Mallorca in September?
Mallorca September averages 51mm of rainfall over about 6 rainy days.
What should I wear in Mallorca in September?
Warm late summer — around 28°C/18°C, still hot by day, balmy evenings. Short sleeves, swimwear, a light layer for evenings. The sea is still warm (~24°C). UV 7 — sunglasses, hat, SPF 30+.
What time are sunrise and sunset in Mallorca in September?
Mallorca September sunrise is 07:25 and sunset is 20:00, with 12h 35min of daylight.
What's the air quality like in Mallorca in September?
Mallorca September air quality (AQI) averages 33, rated Good. PM2.5 averages 12μg/m³.
What activities are recommended in Mallorca in September?
In September, Mallorca is great for Calas & warm-sea swimming, Sóller train & Tramuntana (cooler), Cap de Formentor drive.
Is September peak season in Mallorca?
Mallorca September crowds are busy and prices are shoulder. Advance reservations are strongly recommended.
Best Months to Visit Mallorca
View Other Months
Planning a September trip to Mallorca?
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Why you can trust weather guide
Based in Chiang Mai for 8+ years, with 30+ countries visited across Southeast Asia, Japan, and Europe. Every detail in this guide is primary-source verified as of April 2026, with prices auto-refreshed via live exchange rate APIs. This isn't AI-generated boilerplate — it's written from the perspective of someone who has actually been there.