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September Weather in Oishida, Japan

Last updated: August 23, 2025

In Oishida, Japan, the average temperature in September hovers around 20°C (67°F), but you can experience a range from a brisk 6°C (43°F) to a warm 33°C (91°F). During this month, expect about 116 mm (4.6 in) of precipitation spread over 13 days, contributing to an average humidity of 86%. Be prepared for a mix of weather, making it essential to pack accordingly!

September Temperature in Oishida

In September in Oishida, the average temperature is 20°C (67°F). The maximum can reach 33°C (91°F), and the minimum can be as low as 6°C (43°F). This comfortable climate makes Oishida an ideal destination for travelers seeking pleasant weather and outdoor activities.

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

The chart illustrates September temperature patterns in Oishida, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Oishida, September typically has an average temperature of 20°C (67°F), with highs reaching up to 33°C (91°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec303139485966737567564535
Data source: Temperature data for Oishida 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 Oishida

In Oishida in September, the total precipitation amount reaches 116 mm (4.6 in) over the course of 13 days.

September Precipitation Trends in Oishida

The chart displays monthly precipitation patterns in Oishida, 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 Oishida, September typically receives around 116 mm (4.6 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec13812412412010110722920911615298166
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Oishida

In Oishida in September, humidity is 86%. With an average temperature of 20°C (67°F), this humidity feels like a warm blanket wrapping around you, making travel feel sticky and heavy; it's advisable to stay hydrated and take frequent breaks in the shade.

September Average Humidity in Oishida

This chart illustrates the average monthly humidity levels in Oishida, 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 Oishida is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%77%75%80%87%92%92%86%82%79%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Oishida

In Oishida 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 Oishida.

Maximum UV Index Levels in Oishida for September

The chart shows the monthly maximum UV Index (UVI) for Oishida 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 Oishida typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101011119643
Data source: Oishida 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 Oishida Compares to Other Months

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

This table compares monthly weather conditions in Oishida, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (30°F)138 mm (5.4 inches)80%moderate
February Weather0°C (31°F)123 mm (4.9 inches)79%moderate
March Weather4°C (39°F)123 mm (4.9 inches)77%high
April Weather9°C (48°F)120 mm (4.7 inches)75%very high
May Weather15°C (59°F)101 mm (4.0 inches)80%very high
June Weather19°C (66°F)107 mm (4.2 inches)87%very high
July Weather23°C (73°F)229 mm (9.0 inches)92%extreme
August Weather24°C (76°F)209 mm (8.2 inches)92%extreme
September Weather20°C (67°F)116 mm (4.6 inches)86%very high
October Weather14°C (57°F)152 mm (6.0 inches)82%high
November Weather7°C (46°F)97 mm (3.8 inches)79%moderate
December Weather1°C (35°F)166 mm (6.5 inches)80%moderate

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