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September Weather in Nyuzen, Japan

Last updated: August 23, 2025

In September, the average temperature in Nyuzen, Japan is a pleasant 23°C (74°F). Expect a minimum of 16°C (61°F) and a maximum of 33°C (91°F), perfect for enjoying the outdoors. However, be prepared for some rain, as 248 mm (9.8 in) of precipitation falls over 19 days, contributing to an average humidity of 84%.

September Temperature in Nyuzen

In September in Nyuzen, the average temperature is 23°C (74°F), with maximums possibly reaching 33°C (91°F) and minimums dropping to around 16°C (61°F). This mild climate makes Nyuzen an ideal destination for outdoor activities and exploration during this time of year.

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

The chart illustrates September temperature patterns in Nyuzen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nyuzen, September typically has an average temperature of 23°C (74°F), with highs reaching up to 33°C (91°F) and lows dropping to around 16°C (61°F).
JanFebMarAprMayJunJulAugSepOctNovDec383844516168778073645444
Data source: Temperature data for Nyuzen 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 Nyuzen

In Nyuzen in September, the total precipitation amount is 248 mm (9.8 in), occurring over the course of 19 days.

September Precipitation Trends in Nyuzen

The chart displays monthly precipitation patterns in Nyuzen, 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 Nyuzen, September typically receives around 248 mm (9.8 inches) of precipitation spread over approximately 19 days.
JanFebMarAprMayJunJulAugSepOctNovDec240210163175141160313246248242181276
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Nyuzen

In Nyuzen in September, humidity is 84%. With an average temperature of 23°C (74°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities feel sticky and heavy, while the air's thickness can be quite exhausting for long periods of travel.

September Average Humidity in Nyuzen

This chart illustrates the average monthly humidity levels in Nyuzen, 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 Nyuzen is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%78%76%77%85%89%93%92%84%81%77%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Nyuzen

In Nyuzen 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 Nyuzen.

Maximum UV Index Levels in Nyuzen for September

The chart shows the monthly maximum UV Index (UVI) for Nyuzen 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 Nyuzen typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101011119653
Data source: Nyuzen 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 Nyuzen Compares to Other Months

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

This table compares monthly weather conditions in Nyuzen, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)240 mm (9.5 inches)80%moderate
February Weather3°C (39°F)210 mm (8.3 inches)78%moderate
March Weather7°C (44°F)163 mm (6.4 inches)76%high
April Weather11°C (51°F)175 mm (6.9 inches)77%very high
May Weather16°C (61°F)141 mm (5.6 inches)85%very high
June Weather20°C (68°F)160 mm (6.3 inches)89%very high
July Weather25°C (77°F)313 mm (12.3 inches)93%extreme
August Weather27°C (80°F)246 mm (9.7 inches)92%extreme
September Weather23°C (74°F)248 mm (9.8 inches)84%very high
October Weather18°C (64°F)242 mm (9.5 inches)81%high
November Weather12°C (54°F)181 mm (7.1 inches)77%moderate
December Weather7°C (44°F)276 mm (10.8 inches)79%moderate

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