30YearWeather
Santorini, September 19
Santorini street view during September
Historical Weather Analysis

Santorini Weather on September 19 — Best Time to Visit?

Based on 30 years of historical data, we have the answer.

clear-day

25.3°C

High

21.8°C

Low

0%

Rain

☀️ Feels like 26°C (humidity)

clear-day
YES, IT'S PARADISE
Peak Season

September 19 is statistically one of the best days of the year in Santorini. With minimal rain risk (0%) and pleasant highs of 25°C, it's ideal for outdoor adventures. Santorini is currently in its most popular travel window, meaning vibrant crowds and premium pricing.

Currency

EUR

Euro

Language

Greek

Driving

Right side

Connect

There are some local radio stations in S...

Safety

High Safety

GPI: 1.838

Santorini Weather Forecast for September 19

"Warm & Sunny. Expect average highs of 25.3°C. 0% chance of rain."

What to Wear in Santorini in September

Based on historical data for September 19, Santorini typically experiences temperatures between 21.8°C and 25.3°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (0% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Santorini

View Guide

Smart Suitcase

  • T-Shirt
  • Light Clothing

Average High

extreme-hot

25.3°C

Daytime Peak

Average Low

extreme-cold

21.8°C

Nighttime Low

Feels Like

partly-cloudy-day

26°C

☀️ Feels accurate

Rain Chance

rain

0%

Avg 0mm if it rains

Cloud Cover

cloudy

12%

Clear sky

Pressure

pressure

1013.2 hPa

Low volatility

Santorini Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

100%Highly Predictable

Based on 10 years of data

Temperature
±1.8°CStable
Precipitation
0-10%Predictable

🎯 This date historically delivers consistent weather 100% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

4.5Moderate
036811+

Protection Needed

SPF 30 recommended

Safe Sun Windows
Morning

06:00 - 10:00

Afternoon

16:00 - 18:00

Time to Sunburn

Type I-II

🔴 18 min to burn

Type III-IV

🟡 27 min to burn

Type V-VI

🟢 45 min to burn

UV estimate based on latitude, season & cloud cover. Actual UV may vary.

Outdoor Comfort

How pleasant is it outside?

76Good
TemperatureWarm
HumidityHumid
WindWindy

Dew Point

19.2°C

Noticeable

Heat Stress

Low

No heat warning

🙂 Best outdoor time:
Any time during daylight hours

Marine Conditions

Water Temp
24.8°C
🏊 Swimming Pool
Avg daily surface temperature
Surf Conditions
1.09m
🌊 Fun Waves
Max daily wave height
Advisories

Marine Life

No special warnings. Enjoy the swim!

Swim Index

⚠️ Mixed Conditions

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in Greece

Flight Traffic

High

82/100 pressure index

Health Advisory

Required

1 vaccine • View Details →

Landing Slots

~40

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Santorini

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

06:04

☀️ Noon

12:13

🌇 Sunset

18:22

⏱️ Daylight

12h 17m

Golden Hour
Morning06:04 - 06:38
17:48 - 18:22Evening

Wind Speed

wind

26.7 km/h

Moderate wind

Sunshine

clear-day

11.2 hrs

Direct Sun (Cloud-free)

Humidity

humidity

69%

Slightly humid

Travel Intelligence

Exclusive flight analytics & health data for Santorini

Smart Flight Estimator

Airport-to-Airport Logistics

unlock smart flight estimates

Add your home location in settings to see airport details.

Travel Health & Safety in Santorini

Travel Comfort Index

Real-time tourism conditions

Weather Quality

☀️ Excellent

100/100

Tourist Crowds

🟡 Busy

85/100

Price Level

💰💰💰 Expensive

90/100

Health & Wellbeing

Meteo-Health Forecast

100Score
Atmospheric Pressure1013.2 hPa
Volatility:Low
Migraine RiskLow

Stable conditions. Low risk of headaches.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
34AQI
Good
PM2.5 Concentration4.3 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

High

Seismic Activity

Active seismic zone. Multiple earthquakes per year.

Total events (30y):474
In Sep (30y):10
Last in Sep:2025-09-15
💡 Earthquake risk elevated. Download a seismic alert app.

Travel Alert: This region has elevated natural risks. We recommend registering with your embassy and keeping emergency numbers handy.

"According to 30YearWeather's analysis of 30 years of NASA satellite data, Santorini on September 19 averages 25.3°C with a 0% precipitation probability. Wedding/Outdoor Event Score: 98/100."

— Source: 30YearWeather.com|Data: NASA POWER (1991-2021)|View Methodology

Santorini Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2021
29.9°C
Coldest
2019
20.6°C
Rainiest
2020
0.8mm

Compare Other Cities

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📍 Is Santorini Worth Visiting on September 19?

Planning a trip to Santorini on September 19? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 25.3°C with a 0% historical precipitation risk.

✈️ Travel Logistics: Approximately 40 landing slots available daily during this period, indicating manageable crowd levels.

💉 Health Advisory: 6 vaccinations are recommended for Greece, including COVID-19.

🌊 Coastal Conditions: Water temperature averages 24.8°C (swimming pool). Wave conditions are generally fun waves with heights around 1.09m.

📊 Historical Extremes: The hottest September 19 recorded in the last 30 years saw temperatures hit 29.9°C in 2021, while the coldest dropped to 20.6°C in 2019.

Santorini Weather FAQ