30YearWeather
Bilbao, September 14
Bilbao street view during September
Historical Weather Analysis

Bilbao Weather on September 14 — Best Time to Visit?

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

cloudy

23°C

High

15.9°C

Low

29%

Rain

☀️ Feels like 23.5°C

partly-cloudy-day
YES, GOOD CHOICE
Peak Season

September 14 is generally a great time to visit Bilbao. While there is a slight chance of rain (29%), showers are usually brief. Expect comfortable 23°C weather. Expect a bustling atmosphere in Bilbao right now—this is when the city truly comes alive with visitors.

Currency

EUR

Euro

Language

Spanish

+3 more

Driving

Right side

Connect

As of June 2022, Bilbao has 5G from all ...

Safety

High Safety

GPI: 1.603

Bilbao Weather Forecast for September 14

"Mild & Comfortable. Expect average highs of 23°C. 29% chance of rain."

What to Wear in Bilbao in September

Based on historical data for September 14, Bilbao typically experiences temperatures between 15.9°C and 23°C. We recommend packing t-shirt, light clothing to stay comfortable. With a 29% chance of rain, keeping a raincoat or umbrella handy is a smart move.

Complete Packing Guide

Weekly breakdown & essential items for Bilbao

View Guide

Smart Suitcase

  • T-Shirt
  • Light Clothing

Average High

extreme-hot

23°C

Daytime Peak

Average Low

extreme-cold

15.9°C

Nighttime Low

Feels Like

partly-cloudy-day

23.5°C

☀️ Feels accurate

Rain Chance

rain

29%

Avg 1.6mm if it rains

Cloud Cover

cloudy

61%

Overcast

Pressure

pressure

1018 hPa

Medium volatility

Bilbao Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

68%Reliable

Based on 10 years of data

Temperature
±5.0°CVariable
Precipitation
15-44%Predictable

Weather is generally predictable, but pack for minor variations. A light backup layer is recommended.

Sun Exposure

UV Index & Safety Guide

2.5Low
036811+

Protection Needed

SPF 15 for extended outdoor time

Time to Sunburn

Type I-II

🔴 32 min to burn

Type III-IV

🟡 48 min to burn

Type V-VI

🟢 80 min to burn

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

Outdoor Comfort

How pleasant is it outside?

80Excellent
TemperatureWarm
HumidityMuggy
WindLight Breeze

Dew Point

19°C

Noticeable

Heat Stress

Low

No heat warning

😊 Best outdoor time:
Any time during daylight hours

Marine Conditions

Water Temp
21.6°C
🏊 Swimming Pool
Avg daily surface temperature
Surf Conditions
1.35m
🌊 Surfers Only
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 Spain

Flight Traffic

High

100/100 pressure index

Health Advisory

Required

1 vaccine • View Details →

Landing Slots

~187

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Bilbao

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

06:51

☀️ Noon

13:08

🌇 Sunset

19:26

⏱️ Daylight

12h 35m

Golden Hour
Morning06:51 - 07:28
18:48 - 19:26Evening

Wind Speed

wind

14.6 km/h

Gentle breeze

Sunshine

clear-day

8.9 hrs

Direct Sun (Cloud-free)

Humidity

humidity

78%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Bilbao

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 Bilbao

Travel Comfort Index

Real-time tourism conditions

Weather Quality

⛅ Good

77/100

Tourist Crowds

🟡 Busy

85/100

Price Level

💰💰💰 Expensive

90/100

Health & Wellbeing

Meteo-Health Forecast

85Score
Atmospheric Pressure1018 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
49AQI
Good
PM2.5 Concentration3.7 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

Low

Seismic Activity

Rare minor tremors. Buildings are earthquake-resistant.

Total events (30y):4
In Sep (30y):0
💡 Very rare tremors. Standard travel precautions apply.
"According to 30YearWeather's analysis of 30 years of NASA satellite data, Bilbao on September 14 averages 23°C with a 29% precipitation probability. Wedding/Outdoor Event Score: 96/100."

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

Bilbao Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2020
36.1°C
Coldest
2024
7.5°C
Rainiest
2016
3.8mm

Better Alternatives Nearby

Consider these dates within ±7 days

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

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Same date (September 14) in other destinations

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📍 Is Bilbao Worth Visiting on September 14?

Planning a trip to Bilbao on September 14? 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°C with a 29% historical precipitation risk.

✈️ Travel Logistics: Approximately 187 landing slots available daily during this period, indicating manageable crowd levels.

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

🌊 Coastal Conditions: Water temperature averages 21.6°C (swimming pool). Wave conditions are generally surfers only with heights around 1.35m.

📊 Historical Extremes: The hottest September 14 recorded in the last 30 years saw temperatures hit 36.1°C in 2020, while the coldest dropped to 7.5°C in 2024.

Bilbao Weather FAQ