Wakayama weather in September

Planning a journey to Wakayama this September and curious over the weather conditions to await? Your essential details are found on this page, answering your query:

What is the weather like in Wakayama in September?

Wakayama is a region in Japan. September in Wakayama generally has warm temperatures, with heavy precipitation. September falls during the summer season.

You can expect warm maximum daytime temperatures of around 28°C and nighttime temperatures around 23°C in Shirahama.

In September, precipitation varies across different areas. From heavy rainfall in Wakayama with an average of 197 mm to heavy rainfall in Shingu with 352 mm. Most areas experience a moderate amount of sunshine, with approximately 162 hours of sunlight expected in Shirahama. This makes it neither too gloomy nor overly bright.

For specific regional insights in Wakayama for September, refer to the map provided below. For an in-depth overview of the yearly weather conditions, do visit our Wakayama climate page.

Where to go in Wakayama in September

Find the average weather conditions in September for the most popular destinations in Wakayama on the map below. Click on a destination dot for more detailed information.

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations in Wakayama

What is the weather like in September for the 5 most popular destinations in Wakayama?

Average weather in Shirahama

In September Shirahama generally has high temperatures with maximum daytime temperatures around 28°C, minimum nighttime temperatures around 23°C and heavy monthly rainfall. So on average the conditions are unpleasant that month.

Shirahama
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
30°C 
25°C 
228 hours 
180 mm 
17 days 
28°C 
23°C 
162 hours 
252 mm 
18 days 
October   >> October
>>  
23°C 
18°C 
164 hours 
231 mm 
15 days 
Climate in Shirahama

Average weather in Wakayama

In September Wakayama generally has high temperatures with maximum daytime temperatures around 28°C, minimum nighttime temperatures around 22°C and heavy monthly rainfall. So on average the conditions are tolerable that month.

Wakayama
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
31°C 
25°C 
228 hours 
119 mm 
15 days 
28°C 
22°C 
162 hours 
197 mm 
17 days 
October   >> October
>>  
23°C 
17°C 
164 hours 
186 mm 
14 days 
Climate in Wakayama

Average weather in Koyasan

In September Koyasan generally has high temperatures with maximum daytime temperatures around 28°C, minimum nighttime temperatures around 19°C and heavy monthly rainfall. So on average the conditions are unpleasant that month.

Koyasan
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
32°C 
23°C 
228 hours 
168 mm 
17 days 
28°C 
19°C 
162 hours 
214 mm 
18 days 
October   >> October
>>  
22°C 
12°C 
164 hours 
192 mm 
15 days 
Climate in Koyasan

Average weather in Katsuura

In September Katsuura generally has high temperatures with maximum daytime temperatures around 28°C, minimum nighttime temperatures around 23°C and heavy monthly rainfall. So on average the conditions are poor that month.

Katsuura
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
30°C 
25°C 
229 mm 
19 days 
poor 
28°C 
23°C 
335 mm 
19 days 
poor 
October   >> October
>>  
24°C 
18°C 
302 mm 
16 days 
poor 
Climate in Katsuura

Average weather in Tanabe

In September Tanabe generally has high temperatures with maximum daytime temperatures around 28°C, minimum nighttime temperatures around 22°C and heavy monthly rainfall. So on average the conditions are unpleasant that month.

Tanabe
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly rainfall precipitationRainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   August August
<<  
30°C 
25°C 
228 hours 
183 mm 
17 days 
28°C 
22°C 
162 hours 
249 mm 
18 days 
October   >> October
>>  
23°C 
17°C 
164 hours 
226 mm 
15 days 
Climate in Tanabe

Is your destination not in the list? Have a look at other destinations in Wakayama, in Japan.

Is September the best time to visit Wakayama?

Given the typically unpleasant weather conditions in Shirahama, September may not be the ideal time to visit Wakayama.

Generally speaking, April, May, August and November provide tolerable weather in Shirahama. On the other hand, the months of January, February, June and July tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Wakayama. Interested in the weather conditions in a specific month? Select the month below.

  • January      
  • February      
  • March      
  • April      
  • May      
  • June      
  • July      
  • August      
  • September      
  • October      
  • November      
  • December      
  • Weather and climate has detailed information for every country in the world. Are you going to Japan? Get detailed historical weather averages for many cities in Japan.

    Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.