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September Weather in Ikeda, Japan

Last updated: August 23, 2025

In Ikeda, Japan, the average temperature for September hovers around 17°C (62°F), but don't be surprised if you experience a range from a chilly 4°C (39°F) to a warm 31°C (88°F). With 109 mm (4.3 inches) of rainfall spread over 11 days, it's a month that keeps you on your toes. Add to that an average humidity level of 89%, and you have a unique blend of climate that characterizes this stunning locale.

September Temperature in Ikeda

In September in Ikeda, the average temperature is 17°C (62°F). Maximums can reach 31°C (88°F) and minimums can be as low as 4°C (39°F). This makes it a great time to pack both lightweight clothing for the warm days and some layers for cooler evenings while exploring the area.

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

The chart illustrates September temperature patterns in Ikeda, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ikeda, September typically has an average temperature of 17°C (62°F), with highs reaching up to 31°C (88°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec192032435458656762513926
Data source: Temperature data for Ikeda 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 Ikeda

In Ikeda in September, the precipitation amount is 109 mm (4.3 in), occurring over a span of 11 days.

September Precipitation Trends in Ikeda

The chart displays monthly precipitation patterns in Ikeda, 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 Ikeda, September typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec444491778493741381091537646
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Ikeda

In Ikeda in September, humidity is 89%. With an average temperature of 17°C (62°F), this humidity feels like a warm, heavy blanket enveloping you, making every step feel sluggish and the air thick to breathe, which can be quite challenging for traveling.

September Average Humidity in Ikeda

This chart illustrates the average monthly humidity levels in Ikeda, 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 Ikeda is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%83%83%83%86%88%93%96%89%83%80%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Ikeda

In Ikeda 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 Ikeda.

Maximum UV Index Levels in Ikeda for September

The chart shows the monthly maximum UV Index (UVI) for Ikeda 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 Ikeda typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec23588101098532
Data source: Ikeda 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 Ikeda Compares to Other Months

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

This table compares monthly weather conditions in Ikeda, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-7°C (19°F)44 mm (1.7 inches)84%low
February Weather-7°C (20°F)44 mm (1.7 inches)83%moderate
March Weather0°C (33°F)90 mm (3.6 inches)83%moderate
April Weather6°C (43°F)77 mm (3.0 inches)83%very high
May Weather12°C (54°F)84 mm (3.3 inches)86%very high
June Weather15°C (59°F)93 mm (3.7 inches)88%very high
July Weather19°C (66°F)74 mm (2.9 inches)93%very high
August Weather19°C (67°F)138 mm (5.4 inches)96%very high
September Weather17°C (62°F)109 mm (4.3 inches)89%very high
October Weather11°C (51°F)153 mm (6.0 inches)83%moderate
November Weather4°C (39°F)76 mm (3.0 inches)80%moderate
December Weather-3°C (26°F)46 mm (1.8 inches)79%low

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