Oita (Beppu)
September
Weather in Oita for September 2026
Your guide to Oita weather in September - trends and predictions
In general, the average temperature in Oita at the beginning of September is 28.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 25.1 °C by the end of September.
The climate of Oita in September is notably wet, with an average of 12 rainy days, and a total of 117.9 mm of precipitation.
Is September a good time to visit Oita? check out the best time to travel to Oita page.
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Temperatures
Rain 🌧️
More
18
Dry days
12
Rainy days
0
Snow days
28°/20°
Temperatures
10 km/h
Avg max wind
82 %
Avg humidity
Oita Weather September
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What’s the Weather Like in Oita This September?
Discover the average temperatures and weather trends across Oita’s cities this September.
Temperatures trend during September in Oita
See the weather trend as well as the moving average line
September weather in Oita day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Overcast | 30° /21° | 1.5 mm | 7 | |
| 2 Sept. |  Heavy rain at times | 29° /21° | 3.4 mm | 7 | |
| 3 Sept. |  Patchy rain possible | 29° /20° | 0.2 mm | 7 | |
| 4 Sept. | Patchy rain possible | 25° /20° | 39.1 mm | 6 | |
| 5 Sept. |  Moderate rain at times | 29° /20° | 0.7 mm | 6 | |
| 6 Sept. | Patchy rain possible | 30° /21° | 0.6 mm | 7 | |
| 7 Sept. | Overcast | 30° /21° | 0 mm | 7 | |
| 8 Sept. |  Sunny | 30° /21° | 1.2 mm | 7 | |
| 9 Sept. | Sunny | 29° /22° | 2 mm | 7 | |
| 10 Sept. | Moderate rain at times | 27° /21° | 14.5 mm | 6 | |
| 11 Sept. | Patchy rain possible | 28° /21° | 6.7 mm | 7 | |
| 12 Sept. | Patchy rain possible | 29° /21° | 3.1 mm | 7 | |
| 13 Sept. | Sunny | 30° /21° | 0.2 mm | 8 | |
| 14 Sept. | Heavy rain at times | 29° /22° | 7.4 mm | 7 | |
| 15 Sept. | Heavy rain at times | 28° /22° | 7.5 mm | 7 | |
| 16 Sept. | Moderate or heavy rain shower | 30° /22° | 8.9 mm | 7 | |
| 17 Sept. | Sunny | 30° /21° | 3.7 mm | 7 | |
| 18 Sept. | Moderate or heavy rain shower | 28° /20° | 7.6 mm | 6 | |
| 19 Sept. | Sunny | 28° /20° | 0.4 mm | 7 | |
| 20 Sept. | Moderate rain at times | 30° /20° | 0.8 mm | 7 | |
| 21 Sept. | Patchy rain possible | 28° /20° | 1 mm | 6 | |
| 22 Sept. | Moderate or heavy rain shower | 24° /19° | 28.3 mm | 6 | |
| 23 Sept. |  Partly cloudy | 23° /18° | 2.1 mm | 6 | |
| 24 Sept. | Patchy rain possible | 23° /19° | 13.8 mm | 5 | |
| 25 Sept. | Heavy rain at times | 25° /19° | 15.2 mm | 6 | |
| 26 Sept. | Partly cloudy | 27° /19° | 0.2 mm | 7 | |
| 27 Sept. | Partly cloudy | 26° /19° | 0 mm | 6 | |
| 28 Sept. | Patchy rain possible | 26° /18° | 0.7 mm | 6 | |
| 29 Sept. | Patchy rain possible | 24° /17° | 2.4 mm | 5 | |
| 30 Sept. | Moderate rain at times | 25° /16° | 1.7 mm | 6 | |
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Important Notice
Our weather forecast for Oita 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 Oita forecast closer to your planned date for the most up-to-date weather information.
Change Month
Oita weather in September vs August vs October
Compare September weather in Oita with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
| August | September | October | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 30°/23° | 28°/20° | 21°/15° |
| Rainfall | 423 mm | 118 mm | 176 mm |
| Wind | 10.6 km/h | 10.1 km/h | 10.8 km/h |
| Humidity | 78% | 82% | 85% |
| Rainy days | 12 days | 12 days | 20 days |
| Dry days | 19 days | 18 days | 11 days |
Planning a trip to Oita? Discover the best time to visit
Oita in September - FAQ
What are the expected maximum and minimum temperatures in Oita during September?
During September, expect a variety of temperatures with highs around 28° and lows near 20°, suitable for diverse activities and preferences.
How much rainfall should be expected in Oita during September?
Significant rainfall exceeding 117.9 mm is expected in Oita during September, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Oita during September?
The average wind speed in Oita during September is 10 km/h, suggesting breezy to windy conditions, depending on your activities.
What to pack to Oita in September?
As you prepare for your trip to Oita 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 Oita, 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 Oita
Explore the daily rainfall trends and prepare for Oitas September weather 💧
Typically, Oita has 12 rainy days in September with a total of 117.9 mm of rainfall.
UV exposure in Oita during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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