30YearWeather
Lake Bled, September 23
Lake Bled street view during September
Historical Weather Analysis

Lake Bled Weather on September 23 — Best Time to Visit?

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

cloudy

18.3°C

High

10.4°C

Low

31%

Rain

🌤️ Feels like 18.3°C

partly-cloudy-day
YES, GOOD CHOICE
HolidayPeak Season

September 23 is generally a great time to visit Lake Bled. While there is a slight chance of rain (31%), showers are usually brief. Expect comfortable 18°C weather. Expect a bustling atmosphere in Lake Bled right now—this is when the city truly comes alive with visitors. Note: September 23 is Slovenian Sports Day in Lake Bled, so expect special events, closures, and festive atmosphere.

Currency

EUR

Euro

Language

Slovene

Driving

Right side

Connect

Bled has 4G from all Slovenian carriers....

Safety

Very High Safety

GPI: 1.316

Lake Bled Weather Forecast for September 23

"Mild & Comfortable. Expect average highs of 18.3°C. 31% chance of rain."

What to Wear in Lake Bled in September

Based on historical data for September 23, Lake Bled typically experiences temperatures between 10.4°C and 18.3°C. We recommend packing light jacket, long pants, umbrella to stay comfortable. With a 31% chance of rain, keeping a raincoat or umbrella handy is a smart move.

Complete Packing Guide

Weekly breakdown & essential items for Lake Bled

View Guide

Smart Suitcase

  • Light Jacket
  • Long Pants
  • Umbrella

Average High

extreme-hot

18.3°C

Daytime Peak

Average Low

extreme-cold

10.4°C

Nighttime Low

Feels Like

partly-cloudy-day

18.3°C

🌤️ Feels accurate

Rain Chance

rain

31%

Avg 3.1mm if it rains

Cloud Cover

cloudy

63%

Overcast

Pressure

pressure

1017.9 hPa

Medium volatility

Lake Bled Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

96%Highly Predictable

Based on 10 years of data

Temperature
±1.1°CStable
Precipitation
16-50%Moderate

🎯 This date historically delivers consistent weather 96% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

2.4Low
036811+

Protection Needed

SPF 15 for extended outdoor time

Time to Sunburn

Type I-II

🔴 33 min to burn

Type III-IV

🟡 50 min to burn

Type V-VI

🟢 83 min to burn

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

Outdoor Comfort

How pleasant is it outside?

78Good
TemperatureMild
HumidityMuggy
WindLight Breeze

Dew Point

15.2°C

Pleasant

Heat Stress

Low

No heat warning

🙂 Best outdoor time:
Any time during daylight hours

Travel & Logistics Insights

Local Calendar

Holiday

Slovenian Sports Day

Flight Traffic

High

81/100 pressure index

Health Advisory

Required

1 vaccine • View Details →

Landing Slots

~26

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Lake Bled

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

05:52

☀️ Noon

11:57

🌇 Sunset

18:02

⏱️ Daylight

12h 9m

Golden Hour
Morning05:52 - 06:32
17:22 - 18:02Evening

Wind Speed

wind

8.2 km/h

Light breeze

Sunshine

clear-day

8.3 hrs

Direct Sun (Cloud-free)

Humidity

humidity

82%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Lake Bled

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 Lake Bled

Travel Comfort Index

Real-time tourism conditions

Weather Quality

⛅ Good

75/100

Tourist Crowds

🟡 Busy

85/100

Price Level

💰💰💰 Expensive

90/100

Health & Wellbeing

Meteo-Health Forecast

85Score
Atmospheric Pressure1017.9 hPa
Volatility:Medium
Migraine RiskMedium

Moderate fluctuations. Some sensitivity possible.

Joint Pain RiskLow

Weather unlikely to affect joint pain.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
51AQI
Moderate
PM2.5 Concentration12.6 µg/m³

Air quality is acceptable. Sensitive individuals should limit prolonged outdoor exertion.

Regional Safety Profile

Medium

Seismic Activity

Moderate seismic activity. Occasional tremors possible.

Total events (30y):38
In Sep (30y):2
Last in Sep:2004-09-22
💡 Occasional tremors possible. Know your hotel's evacuation route.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Lake Bled on September 23 averages 18.3°C with a 31% precipitation probability. Wedding/Outdoor Event Score: 91/100."

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

Lake Bled Weather History (2010–2024)

Temperature History

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Hall of Fame

Records from last 10 years

Hottest
2024
20.5°C
Coldest
2022
3.8°C
Rainiest
2019
25.8mm

Better Alternatives Nearby

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💡 Moving your event by a few days could significantly improve weather conditions

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📍 Is Lake Bled Worth Visiting on September 23?

Planning a trip to Lake Bled on September 23? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year is characterized by pleasant mild weather averaging 18.3°C with a 31% historical precipitation risk.

🎉 Local Event: The date coincides with Slovenian Sports Day, which may influence local business hours and event availability.

✈️ Travel Logistics: Approximately 26 landing slots available daily during this period, indicating manageable crowd levels.

💉 Health Advisory: 7 vaccinations are recommended for Slovenia, including COVID-19.

📊 Historical Extremes: The hottest September 23 recorded in the last 30 years saw temperatures hit 20.5°C in 2024, while the coldest dropped to 3.8°C in 2022.

Lake Bled Weather FAQ