30YearWeather
Quito, September 18
Quito street view during September
Historical Weather Analysis

Quito Weather on September 18 — Best Time to Visit?

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

rain

18°C

High

8°C

Low

55%

Rain

🌤️ Feels like 18°C

rain
IT'S A GAMBLE
Peak Season

September 18 sees frequent showers in Quito. Historical data shows a 55% chance of rain, so pack accordingly. Temperatures average 18°C. Expect a bustling atmosphere in Quito right now—this is when the city truly comes alive with visitors.

Currency

USD

$ United States dollar

Language

Spanish

Driving

Right side

Connect

Most Trolebus stations provide free WiFi...

Safety

High Safety

GPI: 1.988

Quito Weather Forecast for September 18

"Rainy & Overcast. Expect average highs of 18°C. 55% chance of rain."

What to Wear in Quito in September

Based on historical data for September 18, Quito typically experiences temperatures between 8°C and 18°C. We recommend packing light jacket, long pants, umbrella to stay comfortable. With a 55% chance of rain, keeping a raincoat or umbrella handy is a smart move.

Complete Packing Guide

Weekly breakdown & essential items for Quito

View Guide

Smart Suitcase

  • Light Jacket
  • Long Pants
  • Umbrella

Average High

extreme-hot

18°C

Daytime Peak

Average Low

extreme-cold

8°C

Nighttime Low

Feels Like

partly-cloudy-day

18°C

🌤️ Feels accurate

Rain Chance

rain

55%

Avg 5mm if it rains

Cloud Cover

cloudy

75%

Moderate rain

Pressure

pressure

1016.3 hPa

Low volatility

Quito Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

96%Highly Predictable

Based on 10 years of data

Temperature
±1.6°CStable
Precipitation
28-83%Predictable

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

Sun Exposure

UV Index & Safety Guide

3.7Moderate
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

🔴 22 min to burn

Type III-IV

🟡 33 min to burn

Type V-VI

🟢 55 min to burn

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

Outdoor Comfort

How pleasant is it outside?

84Excellent
TemperatureMild
HumidityMuggy
WindLight Breeze

Dew Point

13.1°C

Pleasant

Heat Stress

Low

No heat warning

😊 Best outdoor time:
Any time during daylight hours

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in Ecuador

Flight Traffic

High

91/100 pressure index

Health Advisory

Required

2 vaccines • View Details →

Landing Slots

~60

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Quito

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

06:06

☀️ Noon

12:09

🌇 Sunset

18:12

⏱️ Daylight

12h 6m

Golden Hour
Morning06:06 - 06:33
17:45 - 18:12Evening

Wind Speed

wind

8.7 km/h

Light breeze

Sunshine

clear-day

9.8 hrs

Direct Sun (Cloud-free)

Humidity

humidity

73%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Quito

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 Quito

Travel Comfort Index

Real-time tourism conditions

Weather Quality

🌧️ Variable

56/100

Tourist Crowds

🟡 Busy

85/100

Price Level

💰💰💰 Expensive

90/100

Health & Wellbeing

Meteo-Health Forecast

100Score
Atmospheric Pressure1016.3 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
51AQI
Moderate
PM2.5 Concentration17.1 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):61
In Sep (30y):5
Last in Sep:2016-09-05
💡 Occasional tremors possible. Know your hotel's evacuation route.
Medium

Volcanic Activity

Nearest: Cotopaxi

55.4km away

"According to 30YearWeather's analysis of 30 years of NASA satellite data, Quito on September 18 averages 18°C with a 55% precipitation probability. Wedding/Outdoor Event Score: 72/100."

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

Quito Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2024
22.5°C
Coldest
2022
5.6°C
Rainiest
2019
32.6mm

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 18) in other destinations

🌍 Explore the same date in different destinations around the world

📍 Is Quito Worth Visiting on September 18?

Planning a trip to Quito on September 18? 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°C with a 55% historical precipitation risk.

✈️ Travel Logistics: Approximately 60 landing slots available daily during this period, indicating manageable crowd levels.

💉 Health Advisory: 9 vaccinations are recommended for Ecuador, including COVID-19.

📊 Historical Extremes: The hottest September 18 recorded in the last 30 years saw temperatures hit 22.5°C in 2024, while the coldest dropped to 5.6°C in 2022.

Quito Weather FAQ