Onomichi
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Onomichi Weather in September

September in Onomichi brings high temperatures, with daytime highs of 29°C (84°F) and nights around 21°C (70°F). Quite a bit of rainfall is expected, around 162 mm (6.4 in), so pack an umbrella.

Rainfall in Onomichi in September

Looking at the last 30 years, the data shows about 16 days with rain, averaging 162 mm (6.4 in) for the month. Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.

Temperature in Onomichi in September

Onomichi in September gets highs of 29°C (84°F) during the day and drops to 21°C (70°F) at night. This kind of day-to-night contrast is typical for this time of year. Nights are mild at around 21°C (70°F), which is comfortable for most people.

Sunshine in Onomichi in September

The area enjoys a balanced 169 hours of sunlight, ensuring it's neither too overcast nor too sunny.

Wind Speed in Onomichi in September

September sees wind speeds averaging 2 m/s (4 knots). You'll typically experience pleasant light breezes that move leaves slightly and feel refreshing. As an average, expect variation from very calm days to periods with more apparent air movement.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

Onomichi Temperature in September

Min Temperature
21°C (70°F)
Max Temperature
29°C (84°F)
Chance of Rain
53%
Precipitation
162 mm (6.4 in)
Rainy days
16 days
Humidity
68% *
Windspeed
2 m/s (4 knots) *
Sunshine
169 hours *
Percentage Sunshine
43% *
* Data from: Hiroshima, Japan (24 KM, 15 Miles).

Onomichi Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Onomichi - 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 Onomichi in September

Warm weather calls for comfortable, breathable clothing in September. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). 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 Onomichi 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

Onomichi 3-Day Forecast

More climate data for Onomichi

Popular in September

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

Bucket list

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