Chase the autumn leaves in Japan
Japan is one of these cases which turns into a gold, yellow and orange fairy tale starting from September. And we can honestly say: We cannot imagine a more beautiful season to visit Japan.
Ishigaki Island Weather in September
With daytime temperatures of 29°C (84°F) and nighttime lows of 27°C (81°F), September in Ishigaki Island brings high temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 238 mm (9.4 in) falls on average.
Rainfall in Ishigaki Island in September
You can typically expect 22 days of rain this month, averaging around 238 mm (9.4 in). Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.
Temperature in Ishigaki Island in September
If you're visiting Ishigaki Island in September, expect highs of 29°C (84°F) and overnight lows around 27°C (81°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With lows of 27°C (81°F), it stays warm throughout the night. A cold shower before going to sleep is one of the easiest ways to cool down before bed.
Sunshine in Ishigaki Island in September
The month enjoys around 191 hours of sunshine, creating mostly sunny days with good weather conditions.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January, February, March, April, May, June, October, November and December typically offer the best weather for Ishigaki Island.
Ishigaki Island Temperature in September
Min Temperature
27°C (81°F)
Max Temperature
29°C (84°F)
Chance of Rain
72%
Precipitation
238 mm (9.4 in)
Rainy days
22 days
Humidity
76%
Sunshine
191 hours
Percentage Sunshine
Ishigaki Island Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Ishigaki Island - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Ishigaki Island typically stay consistent throughout September, with daily highs averaging around 29°C (84°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather records for Ishigaki Island in September
Browse day-by-day weather records for Ishigaki Island spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Ishigaki Island historical weather extremes in September
The extremes listed below come from historical weather data collected in Ishigaki Island from 1976 through 2025.
- On September 12, 2025, temperatures climbed to 34°C (93°F), marking the warmest September day on record.
- Ishigaki Island experienced its chilliest September day on September 28, 2020, reaching only 25°C (77°F).
- Nighttime temperatures dropped to 21°C (70°F) on September 27, 1997, marking the coldest September night on record.
Best Places in Japan in September
Find out more about the weather in Japan and which places have the best travel conditions in this month. See all of Japan in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Ishigaki Island in September
Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Ishigaki Island in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming7/10 -
Cycling7/10 -
Walking7/10 -
Camping7/10 -
Outdoor sports7/10
Ishigaki Island 3-Day Forecast
More climate data for Ishigaki Island
Temperature Rainfall Sunshine Humidity
See the full Ishigaki Island climate overview or explore weather in Japan.
Popular in September
Where to go in September - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Chase the autumn leaves in Japan
Walk the 88 temple circuit
We recommend walking the 88 temple circuit from April til October. Although June, July and August can be a bit wet, hot and humid.
The famous bamboo forests of Arashiyama
The famous bamboo forests of Arashiyama lie just outside the city center of Kyoto and is unique in the world. If you look at photos of this bamboo forest, it looks like you have landed in a fairy-tale world.
10 reasons why you should visit Japan in winter
Here are 10 reasons why you should plan a winter trip to Japan. During this period, popular sights are less busy and prices for flights and hotels much cheaper.