Weather: Thessaloniki — 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 Thessaloniki. Hot conditions with temperatures reaching 29°C—stay hydrated and seek shade. Temperatures vary significantly between day and night—layering is recommended. As peak season, expect higher prices and more tourists. Sea temperature of 27°C is perfect for swimming.
Based on weather comfort, crowds, prices, and activity options
29°C
18°C
7days
12.5h
39mm
10.4h/day
65%
Muggy6.8
High11 km/h (gusts 28)
27°C 🏊 Comfortable
Is September a good time to visit Thessaloniki?
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
07:09
19:40
Visiting Thessaloniki in September: Pros & Cons
Pros
- 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
Things to Do in September
Events & Festivals
Recommended for This Weather
Thessaloniki Weather by Month
| Month | Avg High | Avg Low | Rain | Sunshine | Humidity | UV Index | Crowds | Condition |
|---|---|---|---|---|---|---|---|---|
| Jan | 11°C | 4°C | 7d (53mm) | 6.8h | 76% Humid | 3 Moderate | | Good |
| Feb | 14°C | 5°C | 7d (31mm) | 7.6h | 71% Humid | 4.1 Moderate | | Good |
| Mar | 16°C | 7°C | 12d (82mm) | 8.6h | 71% Humid | 5.8 High | | Good |
| Apr | 20°C | 10°C | 10d (74mm) | 10.4h | 68% Humid | 7.7 Very High | | Excellent |
| May | 25°C | 15°C | 11d (88mm) | 11.6h | 68% Humid | 8.9 Very High | | Excellent |
| Jun | 31°C | 20°C | 11d (60mm) | 13h | 65% Muggy | 10 Very High | | Excellent |
| Jul | 34°C | 23°C | 4d (34mm) | 13.2h | 58% Moderate | 10.3 Extreme | | Good |
| Aug | 34°C | 22°C | 7d (54mm) | 12.4h | 61% Moderate | 8.8 Very High | | Good |
| Sep Current | 29°C | 18°C | 7d (39mm) | 10.4h | 65% Muggy | 6.8 High | | Excellent |
| Oct | 23°C | 13°C | 5d (56mm) | 8.4h | 72% Humid | 4.6 Moderate | | Excellent |
| Nov | 17°C | 9°C | 9d (67mm) | 6.5h | 78% Humid | 3 Moderate | | Good |
| Dec | 13°C | 6°C | 10d (99mm) | 5.3h | 82% Very Humid | 2.2 Moderate | | Good |
Thessaloniki
Waterfront promenade with White Tower & waterfront and Ano Poli upper town,Byzantine churches, legendary street food, and nightlife.
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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. Pack a compact umbrella or light rain jacket for occasional showers. Don't forget a wide-brimmed hat and high-SPF sunscreen — the sun is strong.
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📋Essentials
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Frequently Asked Questions
Is September a good time to visit Thessaloniki?
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More Thessaloniki 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
Coming soon
Overview
Complete travel guide for Thessaloniki: top things to do, itineraries, and typical costs.