30YearWeather
Sofia, September 16
Sofia street view during September
Historical Weather Analysis

Sofia Weather on September 16 — Best Time to Visit?

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

clear-day

23.9°C

High

12.9°C

Low

17%

Rain

☀️ Feels like 24.3°C

partly-cloudy-day
YES, GOOD CHOICE
Peak Season

September 16 is generally a great time to visit Sofia. While there is a slight chance of rain (17%), showers are usually brief. Expect comfortable 24°C weather. As it's peak season for Sofia, we recommend booking your stay well in advance to secure the best rates.

Currency

BGN

лв Bulgarian lev

Language

Bulgarian

Driving

Right side

Connect

5G internet is available from all three ...

Safety

High Safety

GPI: 1.541

Sofia Weather Forecast for September 16

"Mild & Comfortable. Expect average highs of 23.9°C. 17% chance of rain."

What to Wear in Sofia in September

Based on historical data for September 16, Sofia typically experiences temperatures between 12.9°C and 23.9°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (17% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Sofia

View Guide

Smart Suitcase

  • T-Shirt
  • Light Clothing

Average High

extreme-hot

23.9°C

Daytime Peak

Average Low

extreme-cold

12.9°C

Nighttime Low

Feels Like

partly-cloudy-day

24.3°C

☀️ Feels accurate

Rain Chance

rain

17%

Avg 0.8mm if it rains

Cloud Cover

cloudy

43%

Overcast

Pressure

pressure

1015.9 hPa

Medium volatility

Sofia Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

83%Highly Predictable

Based on 10 years of data

Temperature
±3.8°CModerate
Precipitation
9-30%Predictable

🎯 This date historically delivers consistent weather 83% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

3.3Moderate
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

🔴 24 min to burn

Type III-IV

🟡 36 min to burn

Type V-VI

🟢 60 min to burn

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

Outdoor Comfort

How pleasant is it outside?

96Excellent
TemperatureWarm
HumidityHumid
WindLight Breeze

Dew Point

16.4°C

Noticeable

Heat Stress

Low

No heat warning

😊 Best outdoor time:
Any time during daylight hours

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in Bulgaria

Flight Traffic

High

88/100 pressure index

Health Advisory

Required

1 vaccine • View Details →

Landing Slots

~84

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Sofia

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

06:08

☀️ Noon

12:23

🌇 Sunset

18:37

⏱️ Daylight

12h 29m

Golden Hour
Morning06:08 - 06:45
18:00 - 18:37Evening

Wind Speed

wind

9.7 km/h

Light breeze

Sunshine

clear-day

9.9 hrs

Direct Sun (Cloud-free)

Humidity

humidity

63%

Slightly humid

Travel Intelligence

Exclusive flight analytics & health data for Sofia

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 Sofia

Travel Comfort Index

Real-time tourism conditions

Weather Quality

☀️ Excellent

86/100

Tourist Crowds

🟡 Busy

85/100

Price Level

💰💰💰 Expensive

90/100

Health & Wellbeing

Meteo-Health Forecast

85Score
Atmospheric Pressure1015.9 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
70AQI
Moderate
PM2.5 Concentration8.5 µg/m³

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

Regional Safety Profile

Low

Seismic Activity

Rare minor tremors. Buildings are earthquake-resistant.

Total events (30y):19
In Sep (30y):0
💡 Very rare tremors. Standard travel precautions apply.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Sofia on September 16 averages 23.9°C with a 17% precipitation probability. Wedding/Outdoor Event Score: 100/100."

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

Sofia Weather History (2010–2024)

Temperature History

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Hall of Fame

Records from last 10 years

Hottest
2022
31°C
Coldest
2024
8.4°C
Rainiest
2023
11.5mm

Compare Other Cities

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📍 Is Sofia Worth Visiting on September 16?

Planning a trip to Sofia on September 16? 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 23.9°C with a 17% historical precipitation risk.

✈️ Travel Logistics: Approximately 84 landing slots available daily during this period, indicating manageable crowd levels.

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

📊 Historical Extremes: The hottest September 16 recorded in the last 30 years saw temperatures hit 31°C in 2022, while the coldest dropped to 8.4°C in 2024.

Sofia Weather FAQ