30YearWeather
Naha, September 8
Naha street view during September
Historical Weather Analysis

Naha Weather on September 8 — Best Time to Visit?

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

rain

29.4°C

High

26.3°C

Low

47%

Rain

🔥 Feels like 36.1°C (humidity)

rain
IT'S A GAMBLE
Peak Season

September 8 sees frequent showers in Naha. Historical data shows a 47% chance of rain, so pack accordingly. Temperatures average 29°C. As it's peak season for Naha, we recommend booking your stay well in advance to secure the best rates.

Currency

JPY

¥ Japanese yen

Language

Japanese

Driving

Left side

Safety

Very High Safety

GPI: 1.336

Naha Weather Forecast for September 8

"Warm & Sunny. Expect average highs of 29.4°C. 47% chance of rain."

What to Wear in Naha in September

Based on historical data for September 8, Naha typically experiences temperatures between 26.3°C and 29.4°C. We recommend packing t-shirt, light clothing, umbrella to stay comfortable. With a 47% chance of rain, keeping a raincoat or umbrella handy is a smart move.

Complete Packing Guide

Weekly breakdown & essential items for Naha

View Guide

Smart Suitcase

  • T-Shirt
  • Light Clothing
  • Umbrella

Average High

extreme-hot

29.4°C

Daytime Peak

Average Low

extreme-cold

26.3°C

Nighttime Low

Feels Like

partly-cloudy-day

36.1°C

🔥 Heat index effect

Rain Chance

rain

47%

Avg 5.3mm if it rains

Cloud Cover

cloudy

60%

Light drizzle

Pressure

pressure

1008.8 hPa

Medium volatility

Naha Weather Conditions & UV Index

Weather Confidence

30-year variance analysis

78%Reliable

Based on 10 years of data

Temperature
±1.5°CStable
Precipitation
24-90%Unpredictable

This date historically delivers consistent weather 78% of the time. Safe to plan outdoor activities with confidence.

Sun Exposure

UV Index & Safety Guide

3.1Moderate
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

🔴 26 min to burn

Type III-IV

🟡 39 min to burn

Type V-VI

🟢 65 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
WindBreezy

Dew Point

25.8°C

Humid/Sticky

Heat Index

36.1°C

Feels hotter

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

Marine Conditions

Water Temp
30.2°C
🔥 Hot Soup
Avg daily surface temperature
Surf Conditions
0.96m
🌊 Fun Waves
Max daily wave height
Advisories

Jellyfish Warning

High water temps may attract jellyfish swarms.

Swim Index

✅ Excellent Swimming Conditions

Travel & Logistics Insights

Local Calendar

Business Day

Standard hours in Japan

Flight Traffic

High

97/100 pressure index

Health Advisory

Required

1 vaccine • View Details →

Landing Slots

~189

Daily arrival options (inc. codeshare)

Sunrise, Sunset & Wind in Naha

Daylight & Sun

Solar Elevation Cycle

🌅 Sunrise

06:13

☀️ Noon

12:28

🌇 Sunset

18:44

⏱️ Daylight

12h 30m

Golden Hour
Morning06:13 - 06:43
18:13 - 18:44Evening

Wind Speed

wind

22.3 km/h

Moderate wind

Sunshine

clear-day

9.5 hrs

Direct Sun (Cloud-free)

Humidity

humidity

81%

Humid / Damp

Travel Intelligence

Exclusive flight analytics & health data for Naha

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 Naha

Travel Comfort Index

Real-time tourism conditions

Weather Quality

⛅ Good

62/100

Tourist Crowds

🟡 Busy

85/100

Price Level

💰💰💰 Expensive

90/100

Health & Wellbeing

Meteo-Health Forecast

70Score
Atmospheric Pressure1008.8 hPa
Volatility:Medium
Migraine RiskMedium

Moderate fluctuations. Some sensitivity possible.

Joint Pain RiskMedium

Mild discomfort possible for arthritic conditions.

Fishing IndexFair

Moderate fish activity expected.

Air Quality Forecast
44AQI
Good
PM2.5 Concentration6.4 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):445
In Sep (30y):17
Last in Sep:2025-09-10
💡 Earthquake risk elevated. Download a seismic alert app.
Very High

Typhoon Risk

Year-round risk present

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, Naha on September 8 averages 29.4°C with a 47% precipitation probability. Wedding/Outdoor Event Score: 79/100."

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

Naha Weather History (2010–2024)

Temperature History

Loading chart...

Hall of Fame

Records from last 10 years

Hottest
2024
31.5°C
Coldest
2020
24.2°C
Rainiest
2016
29.2mm

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 8) in other destinations

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📍 Is Naha Worth Visiting on September 8?

Planning a trip to Naha on September 8? Our historical weather analysis based on 30 years of NASA satellite data shows that this time of year typically offers vibrant summer conditions averaging 29.4°C with a 47% historical precipitation risk.

✈️ Travel Logistics: Approximately 189 landing slots available daily during this period, indicating manageable crowd levels.

💉 Health Advisory: 8 vaccinations are recommended for Japan, including COVID-19.

🌊 Coastal Conditions: Water temperature averages 30.2°C (hot soup). Wave conditions are generally fun waves with heights around 0.96m.

📊 Historical Extremes: The hottest September 8 recorded in the last 30 years saw temperatures hit 31.5°C in 2024, while the coldest dropped to 24.2°C in 2020.

Naha Weather FAQ