Hiroshima-shi (Hiroshima)
September
Weather in Hiroshima-shi for September 2025
Your guide to Hiroshima-shi weather in September - trends and predictions
In general, the average temperature in Hiroshima-shi at the beginning of September is 28.6 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 26.4 °C by the end of September.
Hiroshima-shi experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 146.4 mm.
Is September a good time to visit Hiroshima-shi? check out the best time to travel to Hiroshima-shi page.
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Temperatures
Rain 🌧️
More
8
Dry days
22
Rainy days
0
Snow days
27°/20°
Temperatures
12 km/h
Avg max wind
81 %
Avg humidity
Hiroshima-shi in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  28° | 2 28° | 3 28° | 4 29° | 5 29° | 6  29° | 7  29° |
| 8  29° | 9 30° | 10 29° | 11 29° | 12 29° | 13  29° | 14 28° |
| 15 29° | 16 28° | 17 28° | 18 29° | 19 28° | 20 27° | 21 26° |
| 22 26° | 23 27° | 24 26° | 25 26° | 26 27° | 27 27° | 28 26° |
| 29 26° | 30 27° |
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Temperatures trend during September in Hiroshima-shi
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. | Light rain shower | 28° /22° | 5.9 mm | 6 | |
| 2 Sept. | Patchy rain possible | 28° /21° | 8.1 mm | 6 | |
| 3 Sept. | Patchy rain possible | 28° /21° | 17.7 mm | 7 | |
| 4 Sept. | Patchy rain possible | 29° /21° | 2.7 mm | 7 | |
| 5 Sept. | Patchy rain possible | 29° /21° | 4.4 mm | 6 | |
| 6 Sept. | Moderate or heavy rain shower | 29° /20° | 6.4 mm | 6 | |
| 7 Sept. | Cloudy | 29° /20° | 0.1 mm | 7 | |
| 8 Sept. | Heavy rain at times | 29° /20° | 1.2 mm | 7 | |
| 9 Sept. | Cloudy | 30° /20° | 1.2 mm | 6 | |
| 10 Sept. | Moderate rain at times | 29° /21° | 4 mm | 6 | |
| 11 Sept. | Patchy rain possible | 29° /21° | 3.1 mm | 7 | |
| 12 Sept. | Patchy rain possible | 29° /21° | 1.7 mm | 7 | |
| 13 Sept. | Overcast | 29° /21° | 3.1 mm | 7 | |
| 14 Sept. | Moderate or heavy rain shower | 28° /21° | 8.5 mm | 6 | |
| 15 Sept. | Moderate rain at times | 29° /21° | 6.4 mm | 6 | |
| 16 Sept. | Overcast | 28° /21° | 1.5 mm | 6 | |
| 17 Sept. | Moderate or heavy rain shower | 28° /22° | 19.3 mm | 6 | |
| 18 Sept. | Patchy rain possible | 29° /21° | 12.7 mm | 7 | |
| 19 Sept. | Cloudy | 28° /21° | 12.1 mm | 7 | |
| 20 Sept. | Overcast | 27° /19° | 3.7 mm | 6 | |
| 21 Sept. | Light rain shower | 26° /19° | 9 mm | 6 | |
| 22 Sept. | Light rain shower | 26° /18° | 4.3 mm | 6 | |
| 23 Sept. | Patchy rain possible | 27° /17° | 0.5 mm | 6 | |
| 24 Sept. | Cloudy | 26° /16° | 0.1 mm | 7 | |
| 25 Sept. | Patchy rain possible | 26° /17° | 0.2 mm | 7 | |
| 26 Sept. | Patchy rain possible | 27° /18° | 0.4 mm | 6 | |
| 27 Sept. | Patchy rain possible | 27° /19° | 6.6 mm | 6 | |
| 28 Sept. | Patchy rain possible | 26° /19° | 0.8 mm | 6 | |
| 29 Sept. | Cloudy | 26° /18° | 0.2 mm | 6 | |
| 30 Sept. | Cloudy | 27° /18° | 0.7 mm | 6 | |
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Important Notice
Our weather forecast for Hiroshima-shi in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Hiroshima-shi forecast closer to your planned date for the most up-to-date weather information.
Hiroshima-shi in September - FAQ
What are the expected maximum and minimum temperatures in Hiroshima-shi during September?
During September, expect a variety of temperatures with highs around 27° and lows near 20°, suitable for diverse activities and preferences.
How much rainfall should be expected in Hiroshima-shi during September?
Significant rainfall exceeding 146.4 mm is expected in Hiroshima-shi during September, occurring over more than 22 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Hiroshima-shi during September?
The average wind speed in Hiroshima-shi during September is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Hiroshima-shi in September?
As you prepare for your trip to Hiroshima-shi in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Hiroshima-shi, during September, is comfortable and enjoyable, regardless of the weather conditions.
- Clothing
- Lightweight Clothing: T-shirts, blouses, shorts, skirts
- Rain Gear: Lightweight, waterproof clothing
- Footwear
- Waterproof Shoes
- Accessories
- Sunglasses: For sun protection
- Sun Hats: Wide-brimmed hats for sun protection in warm weather
- Umbrellas/Raincoats: For rainy days
- Personal Items
- Sunscreen: High SPF for sunny destinations
- Lip Balm with SPF: To protect against chapped lips
September rainfall patterns in Hiroshima-shi
Explore the daily rainfall trends and prepare for Hiroshima-shis September weather 💧
UV exposure in Hiroshima-shi during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Hiroshima-shi?Get accurate weather forecasts for Hiroshima-shi, located at latitude 34.4 and longitude 132.45. Stay updated with localized weather information tailored for Hiroshima-shi.
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