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

Granada Weather on September 18 — Best Time to Visit?

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

thunderstorm

29.6°C

High

24.6°C

Low

83%

Rain

🔥 Feels like 37.8°C (humidity)

thunderstorm
PROBABLY NOT
Peak Season

Historical data suggests significant rain risk (83%) on September 18. If you seek sun, consider a different date. Bring rain gear! Granada is currently in its most popular travel window, meaning vibrant crowds and premium pricing.

Currency

NIO

C$ Nicaraguan córdoba

Language

Spanish

Driving

Right side

Connect

Granada has 4G from all Spanish carriers...

Safety

Moderate Safety

GPI: 2.334

Granada Weather Forecast for September 18

"Rainy & Overcast. Expect average highs of 29.6°C. 83% chance of rain."

What to Wear in Granada in September

Based on historical data for September 18, Granada typically experiences temperatures between 24.6°C and 29.6°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 83% chance of rain, keeping a raincoat or umbrella handy is a smart move.

Complete Packing Guide

Weekly breakdown & essential items for Granada

View Guide

Smart Suitcase

  • T-Shirt
  • Light Clothing
  • Umbrella

Average High

extreme-hot

29.6°C

Daytime Peak

Average Low

extreme-cold

24.6°C

Nighttime Low

Feels Like

partly-cloudy-day

37.8°C

🔥 Heat index effect

Rain Chance

rain

83%

Avg 7.5mm if it rains

Cloud Cover

cloudy

81%

Moderate rain

Pressure

pressure

1011.2 hPa

Low volatility

Granada Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

96%Highly Predictable

Based on 10 years of data

Temperature
±0.9°CStable
Precipitation
42-125%Moderate

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

Sun Exposure

UV Index & Safety Guide

2.6Low
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?

44Poor
TemperatureHot
HumidityMuggy
WindLight Breeze

Dew Point

26.8°C

Humid/Sticky

Heat Index

37.8°C

Feels hotter

😕 Best outdoor time:
Morning hours (before 11 AM)

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in Nicaragua

Flight Traffic

High

86/100 pressure index

Health Advisory

Required

2 vaccines • View Details →

Landing Slots

~18

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Granada

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

05:34

☀️ Noon

11:39

🌇 Sunset

17:44

⏱️ Daylight

12h 9m

Golden Hour
Morning05:34 - 06:02
17:16 - 17:44Evening

Wind Speed

wind

13.4 km/h

Gentle breeze

Sunshine

clear-day

9.9 hrs

Direct Sun (Cloud-free)

Humidity

humidity

85%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Granada

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 Granada

Travel Comfort Index

Real-time tourism conditions

Weather Quality

🌧️ Variable

34/100

Tourist Crowds

🟡 Busy

85/100

Price Level

💰💰💰 Expensive

90/100

Health & Wellbeing

Meteo-Health Forecast

85Score
Atmospheric Pressure1011.2 hPa
Volatility:Low
Migraine RiskLow

Stable conditions. Low risk of headaches.

Joint Pain RiskMedium

Mild discomfort possible for arthritic conditions.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
27AQI
Good
PM2.5 Concentration4.5 µg/m³

Air quality is excellent. Perfect for outdoor activities.

Regional Safety Profile

High

Seismic Activity

Active seismic zone. Multiple earthquakes per year.

Total events (30y):519
In Sep (30y):33
Last in Sep:2025-09-05
💡 Earthquake risk elevated. Download a seismic alert app.

Travel Alert: This region has elevated natural risks. We recommend registering with your embassy and keeping emergency numbers handy.

"According to 30YearWeather's analysis of 30 years of NASA satellite data, Granada on September 18 averages 29.6°C with a 83% precipitation probability. Wedding/Outdoor Event Score: 44/100."

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

Granada Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2019
31.8°C
Coldest
2022
23.3°C
Rainiest
2022
34.3mm

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 Granada Worth Visiting on September 18?

Planning a trip to Granada on September 18? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 29.6°C with a 83% historical precipitation risk.

✈️ Travel Logistics: Approximately 18 landing slots available daily during this period, indicating manageable crowd levels.

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

📊 Historical Extremes: The hottest September 18 recorded in the last 30 years saw temperatures hit 31.8°C in 2019, while the coldest dropped to 23.3°C in 2022.

Granada Weather FAQ