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September Weather in Yabuki, Japan

Last updated: August 23, 2025

In September, the average temperature in Yabuki, Japan hovers around 20°C (68°F), creating a comfortable climate for outdoor activities. Expect minimums of 9°C (48°F) and delightful highs reaching 31°C (88°F). However, be prepared for 150 mm (5.9 in) of precipitation spread across 16 days, contributing to an average humidity of 84%, which can add a touch of dampness to the air.

September Temperature in Yabuki

In September in Yabuki, the average temperature is 20°C (68°F). The maximum can reach 31°C (88°F), and the minimum can be as low as 9°C (48°F). This makes Yabuki an ideal destination for travelers seeking a pleasant climate with some variation in temperature.

September Weather in Yabuki: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Yabuki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yabuki, September typically has an average temperature of 20°C (68°F), with highs reaching up to 31°C (88°F) and lows dropping to around 9°C (48°F).
JanFebMarAprMayJunJulAugSepOctNovDec323441496066737668574736
Data source: Temperature data for Yabuki generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Yabuki

In Yabuki in September, the precipitation amount is 150 mm (5.9 in) spread over 16 days.

September Precipitation Trends in Yabuki

The chart displays monthly precipitation patterns in Yabuki, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In Yabuki, September typically receives around 150 mm (5.9 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec54471161061261282621261502104762
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Yabuki

In Yabuki in September humidity is 84%. With an average temperature of 20°C (68°F), this humidity feels like a warm, enveloping blanket, making travel a challenge as the air clings to your skin, and every step feels heavier in the mugginess.

September Average Humidity in Yabuki

This chart illustrates the average monthly humidity levels in Yabuki, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in Yabuki is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%72%73%80%87%93%90%84%80%77%77%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Yabuki

In Yabuki in September, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Yabuki.

Maximum UV Index Levels in Yabuki for September

The chart shows the monthly maximum UV Index (UVI) for Yabuki in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in Yabuki typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111119753
Data source: Yabuki September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in Yabuki Compares to Other Months

Weather in Yabuki varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in Yabuki, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Yabuki, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)54 mm (2.1 inches)76%moderate
February Weather1°C (34°F)47 mm (1.9 inches)75%moderate
March Weather5°C (41°F)116 mm (4.6 inches)72%high
April Weather10°C (50°F)106 mm (4.2 inches)73%very high
May Weather16°C (60°F)126 mm (4.9 inches)80%very high
June Weather19°C (66°F)128 mm (5.1 inches)87%extreme
July Weather23°C (74°F)261 mm (10.3 inches)92%extreme
August Weather24°C (76°F)126 mm (4.9 inches)90%extreme
September Weather20°C (68°F)150 mm (5.9 inches)84%very high
October Weather14°C (58°F)209 mm (8.2 inches)80%high
November Weather8°C (47°F)47 mm (1.8 inches)77%moderate
December Weather2°C (37°F)62 mm (2.4 inches)77%moderate

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