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September Weather in Shimonita, Japan

Last updated: August 23, 2025

In September, the average temperature in Shimonita, Japan hovers around 19°C (66°F), with a minimum dipping to 9°C (49°F) and popping up to a maximum of 30°C (86°F). Expect 239 mm (9.4 in) of rainfall spread across 23 days, contributing to a notably high average humidity of 89%. Stay prepared for a mix of warm days and refreshing showers!

September Temperature in Shimonita

In September in Shimonita, the average temperature is 19°C (66°F). Maximum temperatures can reach 30°C (86°F), while minimum temperatures can dip as low as 9°C (49°F). This pleasant climate makes Shimonita an ideal destination for travelers seeking a comfortable getaway.

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

The chart illustrates September temperature patterns in Shimonita, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Shimonita, September typically has an average temperature of 19°C (66°F), with highs reaching up to 30°C (86°F) and lows dropping to around 9°C (49°F).
JanFebMarAprMayJunJulAugSepOctNovDec323441495964727466564636
Data source: Temperature data for Shimonita 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 Shimonita

In Shimonita in September, the total precipitation amount is 239 mm (9.4 in), occurring over the course of 23 days.

September Precipitation Trends in Shimonita

The chart displays monthly precipitation patterns in Shimonita, 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 Shimonita, September typically receives around 239 mm (9.4 inches) of precipitation spread over approximately 23 days.
JanFebMarAprMayJunJulAugSepOctNovDec52471201231762483502562393004249
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Shimonita

In Shimonita in September humidity is 89%. With an average temperature of 19°C (66°F), this humidity feels like walking through a damp blanket, making every step more laborious and the air thick, potentially leading to discomfort while exploring or sightseeing.

September Average Humidity in Shimonita

This chart illustrates the average monthly humidity levels in Shimonita, 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 Shimonita 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 Shimonita

In Shimonita 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 Shimonita.

Maximum UV Index Levels in Shimonita for September

The chart shows the monthly maximum UV Index (UVI) for Shimonita 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 Shimonita typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46891111111110753
Data source: Shimonita 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 Shimonita Compares to Other Months

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

This table compares monthly weather conditions in Shimonita, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)52 mm (2.0 inches)88%moderate
February Weather1°C (34°F)47 mm (1.9 inches)86%high
March Weather5°C (42°F)120 mm (4.7 inches)81%very high
April Weather10°C (50°F)123 mm (4.8 inches)78%very high
May Weather15°C (59°F)175 mm (6.9 inches)81%extreme
June Weather18°C (65°F)248 mm (9.8 inches)88%extreme
July Weather22°C (72°F)350 mm (13.8 inches)92%extreme
August Weather24°C (75°F)256 mm (10.1 inches)92%extreme
September Weather19°C (66°F)239 mm (9.4 inches)89%very high
October Weather13°C (56°F)300 mm (11.8 inches)87%high
November Weather8°C (46°F)42 mm (1.7 inches)85%moderate
December Weather2°C (36°F)49 mm (1.9 inches)86%moderate

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