Nagasaki-shi (Nagasaki)
September
Weather in Nagasaki-shi for September 2027
Your guide to Nagasaki-shi weather in September - trends and predictions
In general, the average temperature in Nagasaki-shi at the beginning of September is 28.5 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 26.9 °C by the end of September.
The climate of Nagasaki-shi in September is notably wet, with an average of 14 rainy days, and a total of 174.5 mm of precipitation.
Is September a good time to visit Nagasaki-shi? check out the best time to travel to Nagasaki-shi page.
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Temperatures
Rain 🌧️
More
16
Dry days
14
Rainy days
0
Snow days
28°/24°
Temperatures
16 km/h
Avg max wind
78 %
Avg humidity
Nagasaki-shi Weather September
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Temperatures trend during September in Nagasaki-shi
See the weather trend as well as the moving average line
September weather in Nagasaki-shi day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| 1 Sept. |  Patchy rain possible | 29° /25° | 1.9 mm | 8 | |
| 2 Sept. |  Light rain | 29° /25° | 3.8 mm | 7 | |
| 3 Sept. | Light rain | 29° /24° | 4.3 mm | 5 | |
| 4 Sept. |  Heavy rain | 27° /23° | 30.5 mm | 5 | |
| 5 Sept. | Patchy rain possible | 28° /24° | 0.4 mm | 5 | |
| 6 Sept. | Patchy rain possible | 29° /24° | 0 mm | 6 | |
| 7 Sept. | Patchy rain possible | 29° /25° | 1.2 mm | 6 | |
| 8 Sept. | Patchy rain possible | 29° /25° | 0.8 mm | 7 | |
| 9 Sept. | Patchy rain possible | 29° /25° | 1.9 mm | 6 | |
| 10 Sept. | Light rain | 27° /24° | 7.8 mm | 5 | |
| 11 Sept. | Light rain shower | 29° /25° | 2 mm | 7 | |
| 12 Sept. | Light rain | 29° /25° | 5.2 mm | 6 | |
| 13 Sept. | Light rain | 29° /25° | 6.1 mm | 6 | |
| 14 Sept. | Light rain | 29° /25° | 4.9 mm | 5 | |
| 15 Sept. | Light rain | 30° /25° | 3 mm | 5 | |
| 16 Sept. | Light rain shower | 29° /25° | 1.4 mm | 6 | |
| 17 Sept. | Patchy rain possible | 29° /25° | 1.9 mm | 7 | |
| 18 Sept. |  Moderate rain | 29° /25° | 11.3 mm | 5 | |
| 19 Sept. | Light rain | 29° /24° | 3.9 mm | 5 | |
| 20 Sept. | Light rain | 28° /24° | 7.8 mm | 7 | |
| 21 Sept. | Light rain | 27° /23° | 4.8 mm | 7 | |
| 22 Sept. | Moderate rain | 27° /22° | 12.8 mm | 6 | |
| 23 Sept. |  Cloudy | 27° /22° | 0.1 mm | 6 | |
| 24 Sept. | Light rain | 27° /22° | 3.5 mm | 6 | |
| 25 Sept. | Light rain | 27° /23° | 3.5 mm | 6 | |
| 26 Sept. | Light rain | 27° /23° | 7.4 mm | 5 | |
| 27 Sept. | Moderate rain | 27° /23° | 22.9 mm | 4 | |
| 28 Sept. | Moderate rain | 27° /23° | 10.4 mm | 4 | |
| 29 Sept. | Light rain | 27° /22° | 8.8 mm | 6 | |
| 30 Sept. | Patchy rain possible | 26° /22° | 0.2 mm | 7 | |
| Next | |||||
Important Notice
Our weather forecast for Nagasaki-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 Nagasaki-shi forecast closer to your planned date for the most up-to-date weather information.
Change Month
Nagasaki-shi weather in September vs August vs October
Compare September weather in Nagasaki-shi 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°/26° | 28°/24° | 24°/19° |
| Rainfall | 187 mm | 174 mm | 58 mm |
| Wind | 17.8 km/h | 15.9 km/h | 17.5 km/h |
| Humidity | 78% | 78% | 72% |
| Rainy days | 15 days | 14 days | 9 days |
| Dry days | 16 days | 16 days | 22 days |
Planning a trip to Nagasaki-shi? Discover the best time to visit
Nagasaki-shi in September - FAQ
What are the expected maximum and minimum temperatures in Nagasaki-shi during September?
During September, expect a variety of temperatures with highs around 28° and lows near 24°, suitable for diverse activities and preferences.
How much rainfall should be expected in Nagasaki-shi during September?
Significant rainfall exceeding 174.5 mm is expected in Nagasaki-shi during September, occurring over more than 14 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Nagasaki-shi during September?
The average wind speed in Nagasaki-shi during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Nagasaki-shi
Explore the daily rainfall trends and prepare for Nagasaki-shis September weather 💧
Typically, Nagasaki-shi has 14 rainy days in September with a total of 174.5 mm of rainfall.
UV exposure in Nagasaki-shi during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
What to pack to Nagasaki-shi in September?
Warm & sunny · highs around 28 °C, frequent showers
As you prepare for your trip to Nagasaki-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 Nagasaki-shi, during September, is comfortable and enjoyable, regardless of the weather conditions.
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