Last updated: August 23, 2025
In September, the average temperature in Shimukappu, Japan hovers around 14°C (58°F), making it a moderate time of year. However, temperatures can swing dramatically, with a minimum of -1°C (31°F) and a maximum reaching up to 28°C (82°F). Be prepared for some rain, as 131 mm (5.2 in) of precipitation can be expected over 13 days. With an average humidity level of 88%, it's a month that feels both refreshing and cozy.
In September in Shimukappu, the average temperature is 14°C (58°F). Maximum can reach 28°C (82°F) and minimum can be as low as -1°C (31°F). Be prepared for a mix of warm and chilly weather while traveling during this time.
In Shimukappu in September, the precipitation amount is 131 mm (5.2 in) over the course of 13 days.
In Shimukappu in September humidity is 88%. With an average temperature of 14°C (58°F), this humidity feels like a warm, damp embrace, making travel a bit uncomfortable as you may find yourself constantly sticky and in need of refreshing breaks.
In Shimukappu in September, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Shimukappu.
UV Risk Categories
Weather in Shimukappu varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Shimukappu, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -9°C (15°F) | 57 mm (2.2 inches) | 84% | low |
| February Weather | -8°C (18°F) | 75 mm (2.9 inches) | 83% | moderate |
| March Weather | -2°C (28°F) | 104 mm (4.1 inches) | 81% | high |
| April Weather | 3°C (38°F) | 100 mm (3.9 inches) | 81% | high |
| May Weather | 10°C (51°F) | 107 mm (4.2 inches) | 86% | very high |
| June Weather | 14°C (57°F) | 120 mm (4.7 inches) | 87% | very high |
| July Weather | 19°C (66°F) | 104 mm (4.1 inches) | 93% | very high |
| August Weather | 18°C (65°F) | 181 mm (7.1 inches) | 95% | very high |
| September Weather | 14°C (58°F) | 131 mm (5.2 inches) | 88% | very high |
| October Weather | 8°C (47°F) | 163 mm (6.4 inches) | 83% | high |
| November Weather | 1°C (34°F) | 126 mm (5.0 inches) | 79% | moderate |
| December Weather | -7°C (21°F) | 89 mm (3.5 inches) | 80% | low |