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September Weather in Nemuro, Japan

Last updated: August 23, 2025

In September, the average temperature in Nemuro, Japan is a pleasant 16°C (62°F). Temperatures can vary, with a minimum of 12°C (55°F) and a maximum of 22°C (71°F). Expect some rain, as the area receives an average of 117 mm (4.6 in) of precipitation over 9 days. With an average humidity of 89%, it's a month that feels both refreshing and a tad tropical!

September Temperature in Nemuro

In September in Nemuro, the average temperature is 16°C (62°F). The maximum can reach 22°C (71°F), while the minimum can drop to as low as 12°C (55°F). This pleasant climate makes Nemuro a great destination for travelers looking to enjoy mild weather and outdoor activities.

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

The chart illustrates September temperature patterns in Nemuro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nemuro, September typically has an average temperature of 16°C (62°F), with highs reaching up to 22°C (71°F) and lows dropping to around 12°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec272632374550576261554533
Data source: Temperature data for Nemuro 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 Nemuro

In Nemuro in September, the total precipitation amount is 117 mm (4.6 in) spread over a period of 9 days.

September Precipitation Trends in Nemuro

The chart displays monthly precipitation patterns in Nemuro, 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 Nemuro, September typically receives around 117 mm (4.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec42438866881051061471171718964
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Nemuro

In Nemuro 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 Nemuro

This chart illustrates the average monthly humidity levels in Nemuro, 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 Nemuro is approximately 89%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%77%80%86%92%94%96%97%89%80%76%74%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Nemuro

In Nemuro 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 Nemuro.

Maximum UV Index Levels in Nemuro for September

The chart shows the monthly maximum UV Index (UVI) for Nemuro 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 Nemuro typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2357991098532
Data source: Nemuro 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 Nemuro Compares to Other Months

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

This table compares monthly weather conditions in Nemuro, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (28°F)42 mm (1.7 inches)78%low
February Weather-4°C (26°F)43 mm (1.7 inches)77%moderate
March Weather0°C (32°F)88 mm (3.5 inches)80%moderate
April Weather3°C (38°F)66 mm (2.6 inches)86%high
May Weather7°C (45°F)88 mm (3.5 inches)91%very high
June Weather10°C (50°F)105 mm (4.1 inches)94%very high
July Weather14°C (58°F)106 mm (4.2 inches)96%very high
August Weather17°C (63°F)147 mm (5.8 inches)97%very high
September Weather16°C (62°F)117 mm (4.6 inches)89%very high
October Weather13°C (56°F)171 mm (6.7 inches)80%moderate
November Weather7°C (46°F)89 mm (3.5 inches)76%moderate
December Weather1°C (34°F)64 mm (2.5 inches)74%low

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