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Achi Weather in September

September in Achi brings high temperatures, with highs of 25°C (77°F) and nights dropping to 16°C (61°F). The rainy season is in full swing this month, so frequent downpours are part of the picture.

Rainfall in Achi in September

As part of the rainy season, Achi sees around 19 days of rain in September, with an average of 258 mm (10 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.

Temperature in Achi in September

September in Achi brings high temperatures, with highs of 25°C (77°F) and nights around 16°C (61°F). September is known for being in the summer season. Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights cool down to 16°C (61°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Achi in September

The month experiences a moderate amount of sunlight, with 151 hours of sunshine. This provides a nice balance between sunshine and rain.

If your ideal day consists of dry skies and pleasant temperatures, May, August and September typically offer the best circumstances for Achi.

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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 Achi's climate page.

Achi Temperature in September

Min TemperatureMin Temperature 16°C (61°F)  
Max TemperatureMax Temperature 25°C (77°F)  
Chance of RainChance of Rain 62%  
PrecipitationPrecipitation 258 mm (10 in)  
Rainy daysRainy days 19 days  
HumidityHumidity 71% *  
SunshineSunshine 151 hours *  
Percentage SunshinePercentage Sunshine 37% *  
* Data from: Nagoya, Japan (73 KM, 45 Miles).

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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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Achi in September

For Achi in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Also bring a poncho, it will rain a lot! Waterproof everything you can. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Achi in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
7/10
Camping
6/10

Select a Month

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 Achi's climate page.

More climate data for Achi