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September Weather in Tochio-honcho, Japan

Last updated: August 23, 2025

In September, the average temperature in Tochio-honcho, Japan is 22°C (71°F), making it a pleasant time to visit. However, temperatures can vary significantly, with a minimum of 10°C (50°F) and a scorching maximum of 37°C (99°F). Expect 159 mm (6.3 in) of precipitation spread over about 17 days, and brace yourself for high humidity levels averaging 89%. Plan accordingly for an enjoyable stay!

September Temperature in Tochio-honcho

In September in Tochio-honcho, the average temperature is 22°C (71°F). Maximum temperatures can reach 37°C (99°F), and minimums can drop as low as 10°C (50°F). It's the perfect time to pack both light clothing for the heat and a jacket for cooler evenings!

September Weather in Tochio-honcho: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Tochio-honcho, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tochio-honcho, September typically has an average temperature of 22°C (71°F), with highs reaching up to 37°C (99°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec343542516369777971604938
Data source: Temperature data for Tochio-honcho 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 Tochio-honcho

In Tochio-honcho in September, the precipitation amount is 159 mm (6.3 in) over a span of 17 days.

September Precipitation Trends in Tochio-honcho

The chart displays monthly precipitation patterns in Tochio-honcho, 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 Tochio-honcho, September typically receives around 159 mm (6.3 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec183166157138134140326205159178148212
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Tochio-honcho

In Tochio-honcho in September humidity is 89%. With an average temperature of 22°C (71°F), this humidity feels like a warm blanket wrapped around you, making travel a bit more challenging as perspiration clings to your skin and the air feels thick, slowing your pace and requiring frequent breaks to stay refreshed.

September Average Humidity in Tochio-honcho

This chart illustrates the average monthly humidity levels in Tochio-honcho, 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 Tochio-honcho is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%87%81%79%81%88%92%92%89%87%85%86%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Tochio-honcho

In Tochio-honcho 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 Tochio-honcho.

Maximum UV Index Levels in Tochio-honcho for September

The chart shows the monthly maximum UV Index (UVI) for Tochio-honcho 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 Tochio-honcho typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3479101011119643
Data source: Tochio-honcho 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 Tochio-honcho Compares to Other Months

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

This table compares monthly weather conditions in Tochio-honcho, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)183 mm (7.2 inches)88%moderate
February Weather1°C (35°F)166 mm (6.5 inches)86%moderate
March Weather6°C (43°F)157 mm (6.2 inches)81%high
April Weather11°C (51°F)138 mm (5.4 inches)78%very high
May Weather17°C (63°F)133 mm (5.3 inches)81%very high
June Weather21°C (69°F)140 mm (5.5 inches)88%very high
July Weather25°C (77°F)326 mm (12.8 inches)92%extreme
August Weather26°C (80°F)205 mm (8.1 inches)92%extreme
September Weather22°C (71°F)159 mm (6.3 inches)89%very high
October Weather16°C (60°F)178 mm (7.0 inches)87%high
November Weather9°C (49°F)148 mm (5.8 inches)85%moderate
December Weather3°C (38°F)212 mm (8.4 inches)86%moderate

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