Weather in Nagoya in September 2025
Average weather
Average temperature in Nagoya in September
The expected average maximum temperature in September is +31°C with a maximum of +34°C and a minimum of +19°C.
The average maximum temperature goes down 13% by the end of the month, compared with the beginning of the month, from +32°C to +30°C.
Is Nagoya warm or cold in September?
Nagoya is typically warm in September.
Maximum temperatures go down compared to the previous month from +32°C to +28°C. The minimum temperature also goes down from +25°C to +21°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
September is one of the warmest months in Nagoya, here is the comparison with other months:
Climate in Nagoya in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +32°C | +28°C | +23°C | ||||
| Min. temperature | ||||||
| +16°C | +10°C | +3°C | ||||
| Max. temperature | ||||||
| +39°C | +38°C | +32°C | ||||
| Rainfall | ||||||
| 133 mm | 195 mm | 141 mm | ||||
| Wind | ||||||
| 2 m/s | 2 m/s | 2 m/s | ||||
| Humidity | ||||||
| 75% | 76% | 74% | ||||
| Air pressure | ||||||
| 1009 HPa | 1012 HPa | 1016 HPa | ||||
| Sunny days | ||||||
| 2 | 3 | 7 | ||||
| Cloudy days | ||||||
| 8 | 9 | 12 | ||||
| Rainy days | ||||||
| 18 | 17 | 13 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September weather is still as ok as in August. It’s getting colder in September. From +32°C in the day, the average maximum temperature lowers to +28°C. Prepare for more rain. Average rainfall goes from 133 mm to 195 mm. Humidity rises from 75% to 76%. The average wind speed doesn’t change much during September, staying around 2 m/s. The good news is there are likely to be more sunny days in September, from 2 to 3.
But maybe it is worth considering traveling in October as the weather gets better.
Wind
The average wind speed is 1 m/s getting up to 1 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Nagoya is gradually decreasing during September, going from 1 m/s to 0 m/s over the course of the month.
Rain
How was the weather last September in Nagoya?
Climate Change over Years
The climate in Nagoya in September has not changed much over the last 43 years.
The average temperature was the lowest in 1981 (+19°C) and the highest in 2023 (+22°C). The driest year was 1984 with only 953 mm of rainfall, and the wettest year was 2022 with 2090 mm.
FAQ
Is September a good time to visit Nagoya?
Can you sunbathe in Nagoya in September?
Is Nagoya rainy in September?
Is it sunny in Nagoya in September?
Other cities in Japan
Monthly weather in Nagoya
Source of the data
For this page, we’ve looked at the typical weather in Nagoya, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.