Okinawa (Naha) in September

In September, Okinawa (Naha) averages 29°C (85°F) during the day and 26°C (79°F) at night, with frequent rain — about 26 days of the month see precipitation (182 mm total).

Off-peak

Conditions are warm and beach-friendly. Expect daily rain or showers, often in heavy bursts.

It's peak typhoon season in Okinawa (Naha) during September. Travel is possible but expect storm risk, possible flight disruption, and generally lower travel insurance coverage.

29°C
Avg high
26°C
Avg low
26
Rain days
182 mm
Rainfall

How September compares to the rest of the year in Okinawa (Naha)

3rd
warmest month of the 12
4th
wettest month of the 12
9%
of yearly rainfall falls in September
12 h 20 min
daylight on the 15th

September is one of the warmest months in Okinawa (Naha) (3rd of 12) and moderately rainy compared to the rest of the year (4th of 12). Daytime temperature runs 4°C above the annual average (25°C). September runs 1°C cooler than August (30°C) and cools 2°C in October (27°C).

September sunrise & sunset in Okinawa (Naha)

🌅
Sunrise (15th)
6:14 AM
🌇
Sunset (15th)
6:34 PM
Day length
12 h 20 min

Times shown for Okinawa (Naha) local time (Asia/Tokyo), calculated for the 15th of September. They shift by a few minutes day to day across the month.

Photography light in Okinawa (Naha) — September

Golden-hour and blue-hour windows for the 15th of September, in Okinawa (Naha)'s local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
5:14 AM – 5:54 AM
🌄 Golden hour (AM)
5:54 AM – 6:54 AM
🌇 Golden hour (PM)
5:54 PM – 6:54 PM
🌆 Blue hour (PM)
6:54 PM – 7:34 PM
Milky Way galactic core
Fair
Core only briefly above the horizon — a marginal month even from dark sites near Okinawa (Naha).

📅 When to book — Okinawa (Naha) in September

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on September's tier (Off-peak) and Okinawa (Naha)'s popularity.

✈ Flights — lead time
3-6 weeks
Cheapest flights of the year. Last-minute deals are real if you can be flexible. ⚠ Peak hazard season — book flexible-change tickets and travel insurance with weather-disruption coverage.
🏨 Lodging — lead time
2-4 weeks
Last-minute bookings work fine. Some seasonal properties close — call ahead if it's a small boutique or beach resort.

Crowds & pricing — September in Okinawa (Naha)

Off-peak

This is off-peak for Okinawa (Naha) — the lowest prices of the year and the fewest crowds, but with real trade-offs: some restaurants, hotels, and beach businesses may close for the season; weather conditions can make outdoor activities unpredictable; and a handful of seasonal sights run reduced hours or close entirely. Great if you prefer a quiet local rhythm and don't mind the climate giving you reasons to choose indoor activities.

Why this tier: peak hazard season (1 active)

Sun & mosquito risk — September in Okinawa (Naha)

☀️ UV Index (noon, 15th)
11.5
Extreme
Stay indoors during midday hours; SPF 50+ even briefly outside, UPF clothing, wide-brim hat, sunglasses essential.
🦟 Mosquito risk
●●●●●
Severe
Severe mosquito season with active disease transmission risk. DEET 30%+, picaridin 20%, long sleeves day and night, treated nets, and check CDC/WHO travel advisories before going.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Okinawa (Naha) in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 19°C / 67°F 16°C / 61°F 106 mm 19
February 20°C / 67°F 16°C / 61°F 106 mm 18
March 21°C / 70°F 18°C / 64°F 126 mm 20
April 23°C / 74°F 20°C / 68°F 133 mm 19
May 26°C / 79°F 23°C / 73°F 280 mm 22
June 28°C / 83°F 26°C / 78°F 277 mm 26
July 30°C / 86°F 27°C / 81°F 208 mm 28
August 30°C / 86°F 27°C / 81°F 224 mm 28
September 29°C / 85°F 26°C / 79°F 182 mm 26
October 27°C / 81°F 24°C / 75°F 164 mm 21
November 24°C / 76°F 21°C / 70°F 92 mm 18
December 21°C / 69°F 18°C / 64°F 144 mm 17

Other cities with similar September weather

🌍 See the full ranked list of climate twins for Okinawa (Naha) in September →

Frequently asked questions

How hot is Okinawa (Naha) in September?

In September, Okinawa (Naha) averages a high of 29°C (85°F) and a low of 26°C (79°F) — generally warm.

Does it rain a lot in Okinawa (Naha) in September?

September is quite rainy in Okinawa (Naha), with about 26 rainy days on average.

Is September a good time to visit Okinawa (Naha)?

September is warm but on the rainy side. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Okinawa (Naha) in September?

Pack lightweight, breathable clothing, sunglasses and sunscreen, plus a compact umbrella or rain jacket. See the full September packing list for Okinawa (Naha) for a complete, climate-based checklist.

Open Okinawa (Naha) on the interactive map

Check the live 10-day forecast and sunrise/sunset.