Shirakawa-gō and Gokayama Weather in September
September in Shirakawa-gō and Gokayama brings high temperatures around 24°C (75°F) during the day, dropping to 15°C (59°F) at night, and as part of the rainy season, heavy rainfall is common.
Rainfall in Shirakawa-gō and Gokayama in September
Shirakawa-gō and Gokayama is in the rainy season in September, with rain on around 20 days and an average of 317 mm (12 in). Rainy season showers here are typically intense, often clearing quickly but coming down hard while they last.
Temperature in Shirakawa-gō and Gokayama in September
Temperatures in Shirakawa-gō and Gokayama in September top out at 24°C (75°F) and drop to 15°C (59°F) overnight. Summer occurs in September. This kind of day-to-night contrast is typical for this time of year. With overnight lows of 15°C (59°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Shirakawa-gō and Gokayama in September
The month experiences a moderate amount of sunlight, with 153 hours of sunshine. This provides a nice balance between sunshine and rain.Our weather planner can help you find worldwide destinations with pleasant weather during this period. May and August typically offer the best weather for Shirakawa-gō and Gokayama.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Shirakawa-gō and Gokayama's climate page.
Shirakawa-gō and Gokayama Temperature in September
Min Temperature
15°C (59°F)
Max Temperature
24°C (75°F)
Chance of Rain
66%
Precipitation
317 mm (12 in)
Rainy days
20 days
Humidity
76% *
Sunshine
153 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Shirakawa-gō and Gokayama typically drop from around 29°C (84°F) at the start of September to approximately 24°C (75°F) by the end. Nights are pleasant, with lows typically ranging from 15°C (59°F) to 22°C (72°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 for Shirakawa-gō and Gokayama in September
Browse day-by-day weather records for Shirakawa-gō and Gokayama spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Shirakawa-gō and Gokayama historical weather extremes in September
Based on weather observations in Shirakawa-gō and Gokayama between 1976 and 2025, these are the recorded extremes during September.
- Shirakawa-gō and Gokayama recorded its highest September temperature of 36°C (97°F) on September 1, 1985.
- On September 29, 2008, Shirakawa-gō and Gokayama saw its coldest September day with temperatures maxing out at 16°C (61°F).
- The coldest night in September in Shirakawa-gō and Gokayama was on September 28, 1992, with a minimum of 8°C (46°F).
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
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What to Wear in Shirakawa-gō and Gokayama in September
For Shirakawa-gō and Gokayama in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Shirakawa-gō and Gokayama in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Shirakawa-gō and Gokayama's climate page.
Temperature Rainfall Sunshine Humidity
See the full Shirakawa-gō and Gokayama climate overview or explore weather in Japan.
