Mount Tate Weather in September
September in Mount Tate averages 22°C (72°F) during the day and 14°C (57°F) at night. September is part of the rainy season, with around 288 mm (11 in) of rainfall and frequent showers.
Rainfall in Mount Tate in September
Mount Tate is in the rainy season in September, with rain on around 21 days and an average of 288 mm (11 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.
Temperature in Mount Tate in September
If you're visiting Mount Tate in September, expect highs of 22°C (72°F) and overnight lows around 14°C (57°F). September marks the summer season. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With overnight lows of 14°C (57°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 Mount Tate in September
The area enjoys a balanced 115 hours of sunlight, ensuring it's neither too rainy nor too sunny.Our weather planner can help you explore other travel destinations worldwide.
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 Mount Tate's climate page.
Mount Tate Temperature in September
Min Temperature
14°C (57°F)
Max Temperature
22°C (72°F)
Chance of Rain
68%
Precipitation
288 mm (11 in)
Rainy days
21 days
Sunshine
115 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Mount Tate typically drop from around 28°C (82°F) at the start of September to approximately 23°C (73°F) by the end. Nights are pleasant, with lows typically ranging from 14°C (57°F) to 21°C (70°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 Mount Tate in September
Browse day-by-day weather records for Mount Tate spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Mount Tate historical weather extremes in September
Our historical data for Mount Tate spans 1976 to 2025, revealing these weather extremes.
- On September 11, 1977, temperatures climbed to 36°C (97°F), marking the warmest September day on record.
- The coldest September day was on September 28, 1983, with a maximum of 15°C (59°F).
- Nighttime temperatures dropped to 5°C (41°F) on September 25, 1976, 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
What to Wear in Mount Tate in September
Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. It's going to pour! Pack a good poncho and prepare for very wet conditions. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Mount Tate 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 Mount Tate's climate page.
See the full Mount Tate climate overview or explore weather in Japan.
