Hachioji Weather in September

September in Hachioji brings high temperatures, with highs of 26°C (79°F) and nights dropping to 19°C (66°F). It's the rainiest month of the year, so come prepared with waterproof gear.

Rainfall in Hachioji in September

As part of the rainy season, Hachioji sees around 19 days of rain in September, with an average of 255 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 Hachioji in September

September in Hachioji brings high temperatures, with highs of 26°C (79°F) and nights around 19°C (66°F). Summer occurs in September. This kind of day-to-night contrast is typical for this time of year. Nights cool down to 19°C (66°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 Hachioji in September

The month brings about 137 hours of sunlight, offering a comfortable mix of sun and rainy moments.

If you prefer enjoying temperate temperatures and rain-free days, May typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Japan, check out our Hachioji's climate page.

Hachioji Temperature in September

Min Temperature 19°C (66°F)  

Max Temperature 26°C (79°F)  

Chance of Rain 64%  

Precipitation 255 mm (10 in)  

Rainy days 19 days  

Sunshine 137 hours *  

Percentage Sunshine *  

* Data from: Saitama, Japan (39 KM, 24 Miles).

What to Wear in Hachioji in September

Warm but pleasant conditions in Hachioji in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Hachioji in September

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

Swimming

7/10

Cycling

7/10

Walking

7/10

Camping

6/10

Outdoor sports

7/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Japan, check out our Hachioji's climate page.

More climate data for Hachioji

Temperature Rainfall Sunshine

See the full Hachioji climate overview or explore weather in Japan.