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September Weather in Imabetsu, Japan

Last updated: August 23, 2025

In September, the average temperature in Imabetsu, Japan is a comfortable 21°C (70°F), with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 30°C (87°F). Be prepared for some rain, as the area receives an average precipitation of 119 mm (4.7 in) spread over 11 days. The air tends to be quite humid, with an average humidity level of 89%. Enjoy the pleasant climate!

September Temperature in Imabetsu

In September in Imabetsu, the average temperature is 21°C (70°F). The maximum can reach 30°C (87°F), while the minimum can be as low as 12°C (54°F). This mild climate makes Imabetsu an ideal destination for travelers looking to enjoy comfortable weather.

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

The chart illustrates September temperature patterns in Imabetsu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Imabetsu, September typically has an average temperature of 21°C (70°F), with highs reaching up to 30°C (87°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec343441485663717470604837
Data source: Temperature data for Imabetsu 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 Imabetsu

In Imabetsu in September, the total precipitation amount is 119 mm (4.7 in), which occurs over the course of 11 days.

September Precipitation Trends in Imabetsu

The chart displays monthly precipitation patterns in Imabetsu, 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 Imabetsu, September typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec78909592101103103168119143105122
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Imabetsu

In Imabetsu in September, humidity is 89%. With an average temperature of 21°C (70°F), this humidity feels like a warm, heavy blanket wrapping around you, making travel feel sluggish and prompting you to seek occasional relief in shaded areas or air-conditioned spaces.

September Average Humidity in Imabetsu

This chart illustrates the average monthly humidity levels in Imabetsu, 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 Imabetsu is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%78%77%78%86%91%95%97%89%82%78%77%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Imabetsu

In Imabetsu 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 Imabetsu.

Maximum UV Index Levels in Imabetsu for September

The chart shows the monthly maximum UV Index (UVI) for Imabetsu 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 Imabetsu typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235891010118642
Data source: Imabetsu 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 Imabetsu Compares to Other Months

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

This table compares monthly weather conditions in Imabetsu, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)78 mm (3.1 inches)79%low
February Weather1°C (34°F)90 mm (3.5 inches)78%moderate
March Weather5°C (41°F)94 mm (3.7 inches)77%moderate
April Weather9°C (48°F)92 mm (3.6 inches)78%very high
May Weather14°C (57°F)101 mm (4.0 inches)86%very high
June Weather17°C (63°F)103 mm (4.1 inches)91%very high
July Weather22°C (71°F)103 mm (4.1 inches)95%very high
August Weather23°C (74°F)168 mm (6.6 inches)97%extreme
September Weather21°C (70°F)119 mm (4.7 inches)89%very high
October Weather15°C (60°F)143 mm (5.6 inches)81%high
November Weather9°C (49°F)105 mm (4.1 inches)78%moderate
December Weather3°C (37°F)122 mm (4.8 inches)77%low

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