Matsumoto Weather in September
During September, Matsumoto experiences high daytime temperatures of 24°C (75°F) and cooler nights around 14°C (57°F). September sits within the rainy season, and part of the summer season, so expect regular and often heavy rainfall.
Rainfall in Matsumoto in September
Matsumoto is in the rainy season in September, with rain on around 19 days and an average of 220 mm (8.7 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.
Temperature in Matsumoto in September
September in Matsumoto brings typical temperatures with highs around 24°C (75°F) and lows of 14°C (57°F). Experience the summer season in September. Overall, the month follows a fairly predictable daily temperature pattern. Nights cool down to 14°C (57°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Matsumoto in September
The area enjoys a moderate level of sunlight, with around 142 hours. It's a good balance between sunny and rainy days.Our weather planner can help you find worldwide destinations with pleasant weather during this period. May and August typically offer the best weather for Matsumoto.
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 Matsumoto's climate page.
Matsumoto Temperature in September
Min Temperature
14°C (57°F)
Max Temperature
24°C (75°F)
Chance of Rain
62%
Precipitation
220 mm (8.7 in)
Rainy days
19 days
Humidity
74% *
Sunshine
142 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Matsumoto typically drop from around 28°C (82°F) at the start of September to approximately 22°C (72°F) by the end. Nights are pleasant, with lows typically ranging from 13°C (55°F) to 20°C (68°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 Matsumoto in September
Browse day-by-day weather records for Matsumoto spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Matsumoto historical weather extremes in September
The extremes listed below come from historical weather data collected in Matsumoto from 1976 through 2025.
- On September 5, 2010, temperatures climbed to 35°C (95°F), marking the warmest September day on record.
- The coldest September day was on September 27, 1980, with a maximum of 13°C (55°F).
- Matsumoto registered its coldest September night on September 28, 1992, with temperatures dropping to 4°C (39°F).
- The wettest September day on record brought 105 mm (4.1 in) of precipitation to Matsumoto (September 20, 2011).
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
What to Wear in Matsumoto in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Matsumoto 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 Matsumoto's climate page.
Temperature Rainfall Sunshine Humidity
See the full Matsumoto climate overview or explore weather in Japan.
