Japan
Weather Forecast for Nagoya, Japan: September 7-9, 2025
Hello, Nagoya! As we step into the first weekend of September, it’s time to take a closer look at what the weather has in store for the next three days. With temperatures expected to be quite warm, residents and visitors should be prepared for some steamy days.
Starting off the weekend, expect clear skies throughout the day with temperatures peaking at a sizzling 34°C (94°F). The morning will begin at a pleasant 25°C (78°F). You can anticipate around 12.8 hours of sunshine, which means plenty of opportunities to enjoy outdoor activities. Humidity will be high, hovering around 85% in the early morning, leading to a heat index that could feel like 31°C (87°F).
Winds will be mild at 3-4 mph, coming from the north, adding a small relief to the heat. There’s no chance of precipitation, so whether you’re planning to explore the Naka Ward or just enjoy the local parks, it’s a great time to be outside. For more hourly updates, check out the hour-by-hour weather.
As we move into Monday, the weather remains warm with a high of 35°C (94°F). Mornings will begin around 26°C (80°F), so be ready for a warmer start. The humidity will decrease slightly, but overall, expect to feel sticky as the day goes on. Lovers of the sun can rejoice as the forecast indicates 12.3 hours of sunshine.
By noon, it’s crucial to stay hydrated due to a significant heat index reaching as high as 39°C (102°F). Winds will be a bit stronger, picking up to about 12 mph, which might offer a refreshing change. Rain is not anticipated, making it a perfect day for a stroll around the city’s many attractions, like Nagoya Castle.
The heat continues into Tuesday with temperatures reaching up to 32°C (90°F). Morning starts at a comfortable 25°C (78°F). However, prepare for a shift in the weather as light rain showers are expected in the afternoon, primarily with a chance of around 100%. So, keep an umbrella handy if you’re venturing out later in the day.
The humidity will remain high, pushing the heat index once again close to 39°C (103°F), especially in the afternoon. There’s a likelihood of visibility being reduced due to the rain, so outdoor plans should be carefully considered.
Overall, it seems like Nagoya will experience a mix of scorching sunshine and some rain towards the beginning of the week. With temperatures consistently high and minimal chances of rain until Tuesday, it's an excellent time to explore what this vibrant city has to offer.
For those interested in a more extended forecast, you can check our next 5 days weather link for additional insights.
Stay hydrated, wear sunscreen, and enjoy the beautiful days ahead!
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