Toyama City Weather in September
September in Toyama City typically sees daytime highs of 26°C (79°F) and nighttime lows of 18°C (64°F). September falls within the rainy season, so heavy rainfall is to be expected. It falls within the summer season.
Rainfall in Toyama City in September
Toyama City is in the rainy season in September, with rain on around 20 days and an average of 237 mm (9.3 in). Rainfall this month is frequent and tends to be fairly heavy when it does fall. Packing waterproofs is a good idea.
Temperature in Toyama City in September
September in Toyama City brings high temperatures, with highs of 26°C (79°F) and nights around 18°C (64°F). Summer occurs in September. This kind of day-to-night contrast is typical for this time of year. With lows of 18°C (64°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Toyama City in September
The month brings about 115 hours of sunlight, offering a comfortable mix of sun and rainy moments.Our weather planner can help you find worldwide destinations with pleasant weather during this period. May typically offers the best weather for Toyama City.
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 Toyama City's climate page.
Toyama City Temperature in September
Min Temperature
18°C (64°F)
Max Temperature
26°C (79°F)
Chance of Rain
65%
Precipitation
237 mm (9.3 in)
Rainy days
20 days
Sunshine
115 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Toyama City 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 16°C (61°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 Toyama City in September
Browse day-by-day weather records for Toyama City spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Toyama City historical weather extremes in September
According to our 49 years of weather records for Toyama City, the following extremes were recorded between 1976 and 2025.
- Toyama City recorded its highest September temperature of 38°C (100°F) on September 1, 2002.
- The lowest daytime temperature in September was 18°C (64°F), recorded on September 30, 2007.
- The coldest night in September in Toyama City was on September 23, 2001, with a minimum of 9°C (48°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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tolerable
unpleasant
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What to Wear in Toyama City 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! Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Toyama City 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 Toyama City's climate page.
See the full Toyama City climate overview or explore weather in Japan.
