Saku Weather in September

Saku in September sees high temperatures, with highs around 24°C (75°F) and overnight lows of 15°C (59°F). Rainfall is fairly high at around 194 mm (7.6 in) on average, so pack waterproofs just in case.

Rainfall in Saku in September

Records from the past 30 years suggest around 19 days of rain, with 194 mm (7.6 in) average for the month. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.

Temperature in Saku in September

Saku in September gets highs of 24°C (75°F) during the day and drops to 15°C (59°F) at night. September is typically considered a summer month. Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights cool down to 15°C (59°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 Saku in September

You can expect a moderate amount of sunlight, with approximately 142 hours. This means a pleasant mix of sun and overcast.

For Saku itself, May and August generally stand out with 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.

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

Saku Temperature in September

Min Temperature 15°C (59°F)  

Max Temperature 24°C (75°F)  

Chance of Rain 65%  

Precipitation 194 mm (7.6 in)  

Rainy days 19 days  

Humidity 74% *  

Sunshine 142 hours *  

Percentage Sunshine *  

* Data from: Nagano, Japan (54 KM, 33 Miles).

What to Wear in Saku in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. 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 Saku 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.

• 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 Saku's climate page.

More climate data for Saku

Temperature Rainfall Sunshine Humidity

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