Weather in Okinawa in September
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Book now, pay at pickup — compare Hertz, Avis, Budget, Sixt and 800+ rental companies for September in Okinawa.
Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youOkinawa in September is hot — daytime temperatures average 29.7°C, dropping to 26.0°C at night. The month is very wet, with around 22 rainy days, with roughly 10.3 hours of sunshine a day. This is peak season for good reason — conditions are close to ideal. For the complete picture, see the best time to visit Okinawa — every month compared. Once you know when to go, find your Okinawa packing list at 247PackingList.
Get ready for Okinawa in September
Search flights to Okinawa
Compare 100+ airlines for September — one search, best price.
Search Flights →Travel clothing layers
Pack layers — temperatures can vary significantly between day and night.
Check Price →What to pack for Okinawa in September
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
- Compact travel umbrella
- Waterproof jacket
- Quick-dry clothing
Compare all months in Okinawa
| Month | High | Rain | Rating |
|---|---|---|---|
| January | 19.4°C | 95.8mm | 10/10 |
| February | 20.1°C | 116.6mm | 9/10 |
| March | 21.9°C | 152.4mm | 9/10 |
| April | 23.2°C | 87.9mm | 10/10 |
| May | 25.8°C | 369.3mm | 8/10 |
| June | 28.4°C | 346.9mm | 8/10 |
| July | 30.1°C | 187.5mm | 9/10 |
| August | 30.1°C | 312.3mm | 8/10 |
| September | 29.7°C | 163.6mm | 9/10 |
| October | 27.5°C | 127.9mm | 9/10 |
| November | 24.6°C | 107.0mm | 9/10 |
| December | 20.8°C | 209.7mm | 8/10 |
Full month-by-month guide: best time to visit Okinawa →
For facts about Japan — currency, language and dialling code — see our Japan country guide at 247CountryInfo. Travellers also find it useful to keep a Okinawa travel guide to hand. Check clothing sizes in Japan before you shop.
Frequently Asked Questions
Is September a good time to visit Okinawa?
September rates 9/10 for visiting Okinawa — excellent time to visit. Expect average highs of 29.7°C, 163.6mm of rain across the month and about 10.3 hours of daily sunshine.
What is the temperature in Okinawa in September?
In September, Okinawa has average highs of 29.7°C (85.5°F) and average lows of 26.0°C (78.8°F).
Does it rain in Okinawa in September?
Yes — September is one of the wetter months in Okinawa, averaging 163.6mm of rain over roughly 22 rainy days. Pack for heavy showers.
What should I wear in Okinawa in September?
For Okinawa in September (29.7°C highs / 26.0°C lows), pack light layers plus sunscreen, t-shirts and light trousers or shorts, compact travel umbrella.
More essentials for Okinawa in September
Packing cubes
Keep the bag organised whatever the weather — compression cubes for every size.
Check Price →Travel first aid kit
Compact TSA-friendly kit for peace of mind wherever you travel.
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.