The month in detail
What to expect in September
Autumn in Peloponnese is often underrated: 27°C, golden light and declining crowds. An interesting window. Rain risk remains low (13% of days), leaving good room for outdoor activities. A good balance between weather and crowds, even if June (9.0/10) remains theoretically better.
September ranks 4 out of 12 months in Peloponnese. Compared to August: −3°C daytime, −1.0h of sun per day.
This month's conditions
What it's like in September
UV index
7 · high
sunscreen and hat advised
Feels like
comfortable
12°
Daylight
12.2h of daylight
Air quality
good
AQI 28
Compare
Is September the right month?
The best month in Peloponnese is June (9.0/10), 0.2 pt higher than September.
Book
Plan your trip
Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.
Stay
Hotels & rentals · Peloponnese
Expedia →
Activities
Tours, tickets, experiences
See ↓
Flights
Multi-airline comparator
Kiwi →
🎟️ Activities & tours · Peloponnese
GetYourGuide selection · free cancellation
Practical info
What you need to know before you go
Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a beach holiday.
Country · Greece
🗣️LanguageGreek
💶CurrencyEuro (€)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘModerate · 3/5
🌡️ Climate
🌍Climate typeTemperate oceanic
📈Climate trend ⓘ+1.04°C/decade
🔥Hottest monthJuly · 31°C
❄️Coolest monthJanuary · 10°C
🌧️Rainiest month ⓘJanuary · 24%
🏖️ Beach holiday
📅Peak seasonJuin → Sept
🏖️Swell (Sept–Mar) ⓘModérée
🛂VisaSchengen · 90 days
Explore
Other destinations in September
If September doesn't convince you for this destination, compare with others.
Location
Where is Peloponnese ?
Global position + regional geographic context.
🌍 World
🔍 Geographic context
Temperate oceanic climate with a 9.0 → 4.2 gap between best and worst month. 10 years of ERA5 data to choose by project.
37.51°N · 22.37°E
Questions
Frequently asked questions
What is the best time to visit Peloponnese?
June is the best month with 28.0°C highs, 16.0°C lows, 9.0h of sunshine and 17.0% rainy days. The months of June & August offer comparable conditions.
How many hours of sunshine does Peloponnese get in June?
Peloponnese averages 9.0 sunshine hours per day in June. It is the sunniest month with a climate score of 8.6/10.
What is the rainiest month in Peloponnese?
January is the most unfavourable month with January has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in Peloponnese in June?
In June, overnight lows reach 16.0°C, while afternoon highs average 28.0°C.
Is Peloponnese good in winter?
In winter (December-February), Peloponnese scores 4.1/10 on average — Difficult period — prefer the peak season.. The best month overall remains June with a score of 8.6/10.
When should you avoid Peloponnese?
January is the most difficult month to visit Peloponnese, with January has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Do you need sun protection in Peloponnese in September?
The average UV index reaches 7 in September in Peloponnese (high), with about 12.2h of daylight. Sunscreen and hat advised.







