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

Bilbao Weather on September 30 — Best Time to Visit?

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

cloudy

22.2°C

High

14.4°C

Low

24%

Rain

☀️ Feels like 22.6°C

partly-cloudy-day
YES, GOOD CHOICE
Peak Season

September 30 is generally a great time to visit Bilbao. While there is a slight chance of rain (24%), showers are usually brief. Expect comfortable 22°C weather. As it's peak season for Bilbao, we recommend booking your stay well in advance to secure the best rates.

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 30

"Mild & Comfortable. Expect average highs of 22.2°C. 24% chance of rain."

What to Wear in Bilbao in September

Based on historical data for September 30, Bilbao typically experiences temperatures between 14.4°C and 22.2°C. We recommend packing t-shirt, light clothing to stay comfortable. Trends suggest it will stay mostly dry (24% rain probability), but checking the forecast before heading out is always wise.

Complete Packing Guide

Weekly breakdown & essential items for Bilbao

View Guide

Smart Suitcase

  • T-Shirt
  • Light Clothing

Average High

extreme-hot

22.2°C

Daytime Peak

Average Low

extreme-cold

14.4°C

Nighttime Low

Feels Like

partly-cloudy-day

22.6°C

☀️ Feels accurate

Rain Chance

rain

24%

Avg 1.4mm if it rains

Cloud Cover

cloudy

59%

Overcast

Pressure

pressure

1018.6 hPa

Medium volatility

Bilbao Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

77%Reliable

Based on 10 years of data

Temperature
±4.3°CVariable
Precipitation
12-36%Predictable

This date historically delivers consistent weather 77% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

2.6Low
036811+

Protection Needed

SPF 15 for extended outdoor time

Time to Sunburn

Type I-II

🔴 31 min to burn

Type III-IV

🟡 47 min to burn

Type V-VI

🟢 78 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

18.4°C

Noticeable

Heat Stress

Low

No heat warning

😊 Best outdoor time:
Any time during daylight hours

Marine Conditions

Water Temp
20.4°C
🥃 Refreshing Tonic
Avg daily surface temperature
Surf Conditions
1.61m
🌊 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

07:08

☀️ Noon

13:03

🌇 Sunset

18:57

⏱️ Daylight

11h 48m

Golden Hour
Morning07:08 - 07:46
18:19 - 18:57Evening

Wind Speed

wind

14.1 km/h

Gentle breeze

Sunshine

clear-day

8.8 hrs

Direct Sun (Cloud-free)

Humidity

humidity

79%

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

☀️ Excellent

81/100

Tourist Crowds

🟡 Busy

85/100

Price Level

💰💰💰 Expensive

90/100

Health & Wellbeing

Meteo-Health Forecast

85Score
Atmospheric Pressure1018.6 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 30 averages 22.2°C with a 24% precipitation probability. Wedding/Outdoor Event Score: 97/100."

— 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
2023
32.9°C
Coldest
2020
10°C
Rainiest
2022
10.7mm

Better Alternatives Nearby

Consider these dates within ±7 days

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

Compare Other Cities

Same date (September 30) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Bilbao Worth Visiting on September 30?

Planning a trip to Bilbao on September 30? 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 22.2°C with a 24% 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 20.4°C (refreshing tonic). Wave conditions are generally surfers only with heights around 1.61m.

📊 Historical Extremes: The hottest September 30 recorded in the last 30 years saw temperatures hit 32.9°C in 2023, while the coldest dropped to 10°C in 2020.

Bilbao Weather FAQ