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September Weather in Yunomae, Japan

Last updated: August 23, 2025

In Yunomae, Japan, the average temperature in September hovers around 23°C (73°F). Expect a range from a cool 10°C (50°F) to a warm 32°C (89°F). During this month, precipitation averages 252 mm (9.9 in) over 20 days, contributing to a notably high average humidity of 84%. Prepare for a blend of warmth and moisture as you enjoy the diverse climate!

September Temperature in Yunomae

In September in Yunomae, the average temperature is 23°C (73°F). The maximum can reach 32°C (89°F), and the minimum can be as low as 10°C (50°F). This makes it an ideal time for traveling, offering warm days for exploration and cooler evenings for relaxation.

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

The chart illustrates September temperature patterns in Yunomae, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yunomae, September typically has an average temperature of 23°C (73°F), with highs reaching up to 32°C (89°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec394150576470767873645242
Data source: Temperature data for Yunomae 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 Yunomae

In Yunomae in September, the total precipitation amount is 252 mm (9.9 in) recorded over the course of 20 days.

September Precipitation Trends in Yunomae

The chart displays monthly precipitation patterns in Yunomae, 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 Yunomae, September typically receives around 252 mm (9.9 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec601051711562373454412362521708779
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Yunomae

In Yunomae in September, humidity is 84%. With an average temperature of 23°C (73°F), this humidity feels like a warm, thick blanket wrapping around you, making travel slightly exhausting but also uniquely invigorating as you navigate through the vibrant atmosphere.

September Average Humidity in Yunomae

This chart illustrates the average monthly humidity levels in Yunomae, 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 Yunomae is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%71%71%78%84%86%92%91%84%83%81%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Yunomae

In Yunomae in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Yunomae.

Maximum UV Index Levels in Yunomae for September

The chart shows the monthly maximum UV Index (UVI) for Yunomae 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 Yunomae typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec569101212131311864
Data source: Yunomae 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 Yunomae Compares to Other Months

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

This table compares monthly weather conditions in Yunomae, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)60 mm (2.4 inches)75%moderate
February Weather5°C (42°F)105 mm (4.1 inches)71%high
March Weather10°C (50°F)171 mm (6.7 inches)71%very high
April Weather14°C (57°F)155 mm (6.1 inches)78%very high
May Weather18°C (64°F)237 mm (9.3 inches)84%extreme
June Weather21°C (70°F)345 mm (13.6 inches)86%extreme
July Weather25°C (76°F)441 mm (17.4 inches)92%extreme
August Weather26°C (78°F)236 mm (9.3 inches)91%extreme
September Weather23°C (73°F)252 mm (9.9 inches)84%extreme
October Weather18°C (64°F)170 mm (6.7 inches)83%very high
November Weather11°C (52°F)87 mm (3.4 inches)81%high
December Weather5°C (42°F)79 mm (3.1 inches)79%moderate

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