Last updated: August 23, 2025
In September, the average temperature in Kawachi-Nagano, Japan is a pleasant 25°C (77°F), making it a great time to explore the area. However, temperatures can fluctuate, with a minimum of 13°C (56°F) and a maximum of 37°C (99°F). Visitors should also be prepared for rain, as 164 mm (6.5 in) of precipitation can occur over approximately 14 days. With an average humidity of 87%, expect a tropical ambiance that adds to the charm of the region.
In September in Kawachi-Nagano, the average temperature is 25°C (77°F), with maximums reaching 37°C (99°F) and minimums dropping to as low as 13°C (56°F). This climate makes Kawachi-Nagano an ideal destination for travelers seeking pleasant weather with a mix of warm days and cooler evenings.
In Kawachi-Nagano in September, the precipitation amount is 164 mm (6.5 in) spread over 14 days.
In Kawachi-Nagano in September, humidity is 87%. With an average temperature of 25°C (77°F), this humidity feels like a thick, warm blanket enveloping you, making travel a challenge as sweat clings to your skin and the air feels heavy and stifling.
In Kawachi-Nagano in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Kawachi-Nagano.
UV Risk Categories
Weather in Kawachi-Nagano varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Kawachi-Nagano, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 6°C (42°F) | 53 mm (2.1 inches) | 82% | moderate |
| February Weather | 6°C (43°F) | 65 mm (2.6 inches) | 79% | high |
| March Weather | 10°C (51°F) | 110 mm (4.3 inches) | 74% | very high |
| April Weather | 15°C (59°F) | 122 mm (4.8 inches) | 76% | extreme |
| May Weather | 20°C (68°F) | 146 mm (5.7 inches) | 83% | extreme |
| June Weather | 23°C (74°F) | 166 mm (6.5 inches) | 87% | extreme |
| July Weather | 27°C (82°F) | 270 mm (10.6 inches) | 93% | extreme |
| August Weather | 29°C (85°F) | 160 mm (6.3 inches) | 91% | extreme |
| September Weather | 25°C (77°F) | 164 mm (6.5 inches) | 87% | very high |
| October Weather | 19°C (67°F) | 238 mm (9.4 inches) | 85% | high |
| November Weather | 13°C (56°F) | 48 mm (1.9 inches) | 83% | high |
| December Weather | 8°C (47°F) | 62 mm (2.5 inches) | 83% | moderate |