Saku
Weather by month
Current – 10-day forecastForecast

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.

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).

Saku Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Saku - and find the best time to visit.

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 →

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 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

Saku 3-Day Forecast

More climate data for Saku

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.