Weather: Santorini — September
The weather is near-perfect with ideal temperatures and minimal rain. Recommended month to visit.
🌟 Climate Overview
September is an excellent time to visit Santorini. Warm weather with highs of 24°C—great for outdoor activities. Rainfall is rare, so you can leave the umbrella at home. Wind can be noticeable, especially in exposed areas—bring a windbreaker. As peak season, expect higher prices and more tourists. Sea temperature of 25°C is perfect for swimming.
Based on weather comfort, crowds, prices, and activity options
24°C
23°C
0days
12.4h
1mm
11.3h/day
76%
Humid8.3
Very High32 km/h (gusts 43)
25°C 🏊 Comfortable
Is September a good time to visit Santorini?
The weather is near-perfect with ideal temperatures and minimal rain.
Now
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Air Quality
Travel Context
- CrowdsVery Busy
- Travel Costs Peak Rates
Daylight
07:01
19:28
Visiting Santorini in September: Pros & Cons
Pros
- Comfortable temperatures for sightseeing
- Minimal rainfall — great for outdoor plans
- Abundant sunshine for beach and outdoor fun
- Warm sea perfect for swimming and snorkeling
- One of the best months to visit
Cons
- Peak season — expect crowds and higher prices
- Very high UV — sunscreen and shade essential
Things to Do in September
Events & Festivals
Recommended for This Weather
Santorini Weather by Month
| Month | Avg High | Avg Low | Rain | Sunshine | Humidity | UV Index | Crowds | Condition |
|---|---|---|---|---|---|---|---|---|
| Jan | 15°C | 13°C | 11d (58mm) | 8.1h | 70% Humid | 3.7 Moderate | | Good |
| Feb | 14°C | 12°C | 7d (36mm) | 8.9h | 70% Humid | 5.1 High | | Good |
| Mar | 15°C | 13°C | 7d (36mm) | 10.3h | 71% Humid | 7.2 Very High | | Good |
| Apr | 16°C | 15°C | 2d (8mm) | 11.5h | 76% Humid | 9 Very High | | Good |
| May | 19°C | 18°C | 2d (6mm) | 12.4h | 80% Very Humid | 10.4 Extreme | | Excellent |
| Jun | 23°C | 21°C | 0d (2mm) | 13.3h | 80% Very Humid | 11.4 Extreme | | Excellent |
| Jul | 25°C | 24°C | 0d (0mm) | 13.1h | 78% Humid | 11.4 Extreme | | Good |
| Aug | 25°C | 24°C | 0d (2mm) | 12.6h | 80% Very Humid | 10.2 Extreme | | Good |
| Sep Current | 24°C | 23°C | 0d (1mm) | 11.3h | 76% Humid | 8.3 Very High | | Excellent |
| Oct | 21°C | 20°C | 2d (7mm) | 9.9h | 74% Humid | 6 High | | Excellent |
| Nov | 19°C | 17°C | 4d (24mm) | 8.7h | 73% Humid | 4.2 Moderate | | Good |
| Dec | 16°C | 15°C | 10d (61mm) | 8h | 72% Humid | 3.3 Moderate | | Good |
Santorini
Iconic caldera sunsets with Oia sunset viewpoint and Catamaran cruise around the caldera, white-washed villages, volcanic beaches, and cliffside luxury.
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What to Pack for September
Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces. Don't forget a wide-brimmed hat and high-SPF sunscreen — the sun is strong.
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Frequently Asked Questions
Is September a good time to visit Santorini?
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More Santorini Guides
Best Time to Visit
Coming soon
Things to Do
Coming soon
Where to Stay
Best neighborhoods and hotel recommendations
Cost & Budget
Daily costs, money-saving tips, and budget breakdown
Itineraries
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Overview
Complete travel guide for Santorini: top things to do, itineraries, and typical costs.