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September Weather in Nakagawa, Japan

Last updated: August 23, 2025

In Nakagawa, Japan, the average temperature in September hovers around 17°C (63°F). Expect a minimum of 7°C (44°F) and a maximum of 29°C (84°F). During this month, you can anticipate 94 mm (3.7 in) of precipitation spread across 12 days, with an average humidity level of a warm 86%.

September Temperature in Nakagawa

In September in Nakagawa, the average temperature is 17°C (63°F). Maximum temperatures can reach 29°C (84°F), while minimums can drop to as low as 7°C (44°F). This makes it a great month for travelers seeking mild weather and outdoor activities.

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

The chart illustrates September temperature patterns in Nakagawa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nakagawa, September typically has an average temperature of 17°C (63°F), with highs reaching up to 29°C (84°F) and lows dropping to around 7°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec222332415257676863523927
Data source: Temperature data for Nakagawa 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 Nakagawa

In Nakagawa in September, the precipitation amount is 94 mm (3.7 in) spread over 12 days.

September Precipitation Trends in Nakagawa

The chart displays monthly precipitation patterns in Nakagawa, 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 Nakagawa, September typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec83918869929210315494152174139
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Nakagawa

In Nakagawa in September humidity is 86%. With an average temperature of 17°C (63°F), this humidity feels like a heavy blanket wrapping around you, making the air feel thick and slightly stifling for traveling, as every step requires more effort and even a gentle breeze feels refreshing amidst the muggy atmosphere.

September Average Humidity in Nakagawa

This chart illustrates the average monthly humidity levels in Nakagawa, 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 Nakagawa is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%84%83%84%88%88%93%94%86%79%77%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Nakagawa

In Nakagawa in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Nakagawa.

Maximum UV Index Levels in Nakagawa for September

The chart shows the monthly maximum UV Index (UVI) for Nakagawa 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 Nakagawa typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789997532
Data source: Nakagawa 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 Nakagawa Compares to Other Months

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

This table compares monthly weather conditions in Nakagawa, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-6°C (22°F)83 mm (3.3 inches)87%low
February Weather-5°C (23°F)91 mm (3.6 inches)84%moderate
March Weather0°C (32°F)88 mm (3.5 inches)83%moderate
April Weather5°C (41°F)69 mm (2.7 inches)84%high
May Weather11°C (52°F)92 mm (3.6 inches)88%very high
June Weather14°C (58°F)92 mm (3.6 inches)88%very high
July Weather19°C (67°F)103 mm (4.1 inches)93%very high
August Weather20°C (68°F)154 mm (6.0 inches)94%very high
September Weather17°C (63°F)94 mm (3.7 inches)86%high
October Weather11°C (52°F)152 mm (6.0 inches)79%moderate
November Weather4°C (40°F)174 mm (6.8 inches)77%moderate
December Weather-3°C (27°F)139 mm (5.5 inches)83%low

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