Hiroshima Weather in September

Hiroshima in September sees high temperatures, with highs around 28°C (82°F) and overnight lows of 20°C (68°F). Rainfall is fairly high at around 194 mm (7.6 in) on average, so pack waterproofs just in case.

Rainfall in Hiroshima in September

Rain is expected on roughly 16 days, totalling around 194 mm (7.6 in) 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 Hiroshima in September

September in Hiroshima sees highs of 28°C (82°F) and lows of 20°C (68°F) overnight. The summer season takes place during September. Conditions stay fairly consistent through the month, making it easier to plan what to wear. Nights are mild at around 20°C (68°F), which is comfortable for most people.

Sunshine in Hiroshima in September

The area experiences a moderate amount of sunshine, with approximately 169 hours of sunlight expected. This means a decent mix of sun and overcast.

Should you favor a climate that's both dry and comfortably warm, May and October typically offer the most agreeable 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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• January
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For a detailed overview over the year and the best time to visit Japan, check out our Hiroshima's climate page.

Hiroshima Temperature in September

Min Temperature 20°C (68°F)  

Max Temperature 28°C (82°F)  

Chance of Rain 54%  

Precipitation 194 mm (7.6 in)  

Rainy days 16 days  

Humidity 68% *  

Sunshine 169 hours *  

Percentage Sunshine 43% *  

* Data from: Hiroshima, Japan (42 KM, 26 Miles).

What to Wear in Hiroshima in September

Warm temperatures in September make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Hiroshima 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 Hiroshima's climate page.

More climate data for Hiroshima

Temperature Rainfall Sunshine Humidity

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