Wakayama Weather in September
In Wakayama, September brings high daytime temperatures around 28°C (82°F), with nights cooling to 22°C (72°F). Expect quite a bit of rainfall this month.
Rainfall in Wakayama in September
Based on our climate data of the past 30 years, about 17 days of rain are anticipated, with 197 mm (7.8 in) on average. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.
Temperature in Wakayama in September
In September, Wakayama gets high temperatures, with highs of 28°C (82°F). Nights cool to around 22°C (72°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 22°C (72°F) overnight, nights are warm enough to sit outside comfortably in light clothing.
Sunshine in Wakayama in September
The city usually sees around 162 hours of sunlight, indicating a moderately sunny period.Our weather planner can help you find worldwide destinations with pleasant weather during this period. May typically offers the best weather for Wakayama.
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 Wakayama's climate page.
Wakayama Temperature in September
Min Temperature
22°C (72°F)
Max Temperature
28°C (82°F)
Chance of Rain
56%
Precipitation
197 mm (7.8 in)
Rainy days
17 days
Humidity
73%
Sunshine
162 hours
Percentage Sunshine
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Wakayama typically drop from around 30°C (86°F) at the start of September to approximately 26°C (79°F) by the end. Nights are warm, with lows typically ranging from 19°C (66°F) to 24°C (75°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 Wakayama in September
Browse day-by-day weather records for Wakayama spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Wakayama historical weather extremes in September
According to our 49 years of weather records for Wakayama, the following extremes were recorded between 1976 and 2025.
- Wakayama recorded its highest September temperature of 35°C (95°F) on September 3, 2003.
- The lowest daytime temperature in September was 19°C (66°F), recorded on September 29, 2008.
- Wakayama registered its coldest September night on September 25, 1976, with temperatures dropping to 12°C (54°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 →
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What to Wear in Wakayama 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 Wakayama 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 Wakayama's climate page.
Temperature Rainfall Sunshine Humidity
See the full Wakayama climate overview or explore weather in Japan.
