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September Weather in Obihiro, Japan

Last updated: August 23, 2025

In September, the average temperature in Obihiro, Japan hovers around 16°C (62°F), with a minimum of 2°C (36°F) and a maximum of 32°C (89°F). Expect an average of 138 mm (5.4 in) of precipitation over 13 days, contributing to the region's average humidity of a high 89%. Whether you're braving the rain or basking in the warmth, come prepared for a varied climate!

September Temperature in Obihiro

In September in Obihiro, the average temperature is 16°C (62°F). The maximum can reach 32°C (89°F) and the minimum can be as low as 2°C (36°F). It's advisable to pack for a range of temperatures, ensuring you have both warm and lightweight clothing for your travels.

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

The chart illustrates September temperature patterns in Obihiro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Obihiro, September typically has an average temperature of 16°C (62°F), with highs reaching up to 32°C (89°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec182032435459666762513825
Data source: Temperature data for Obihiro 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 Obihiro

In Obihiro in September, the precipitation amount is 138 mm (5.4 in) over the course of 13 days.

September Precipitation Trends in Obihiro

The chart displays monthly precipitation patterns in Obihiro, 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 Obihiro, September typically receives around 138 mm (5.4 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec4749908890115981781381678550
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Obihiro

In Obihiro in September, humidity is 89%. With an average temperature of 16°C (62°F), this humidity feels like a damp blanket enveloping you, making every step slightly sticky and the air thick, which can be uncomfortable for traveling.

September Average Humidity in Obihiro

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

In Obihiro 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 Obihiro.

Maximum UV Index Levels in Obihiro for September

The chart shows the monthly maximum UV Index (UVI) for Obihiro 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 Obihiro typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235891010108532
Data source: Obihiro 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 Obihiro Compares to Other Months

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

This table compares monthly weather conditions in Obihiro, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (18°F)47 mm (1.8 inches)84%low
February Weather-7°C (20°F)49 mm (1.9 inches)83%moderate
March Weather0°C (32°F)90 mm (3.5 inches)83%moderate
April Weather6°C (44°F)87 mm (3.4 inches)83%very high
May Weather12°C (55°F)90 mm (3.6 inches)86%very high
June Weather15°C (60°F)115 mm (4.5 inches)88%very high
July Weather19°C (67°F)98 mm (3.9 inches)93%very high
August Weather20°C (67°F)178 mm (7.0 inches)96%very high
September Weather16°C (62°F)138 mm (5.4 inches)89%very high
October Weather10°C (51°F)167 mm (6.6 inches)83%moderate
November Weather4°C (39°F)85 mm (3.3 inches)80%moderate
December Weather-4°C (25°F)50 mm (2.0 inches)79%low

Compare Obihiro's Climate with Cities Worldwide