September Weather in Noshiro, Japan

Last updated: August 23, 2025

In Noshiro, Japan, the average temperature in September hovers around 21°C (71°F). Expect a minimum of 12°C (54°F) and a maximum of 33°C (91°F), making for pleasant days and cool nights. However, be prepared for a fair amount of rain, with 157 mm (6.2 in) of precipitation likely spread across 15 days. The air remains quite humid, with an average humidity level of 85%, so pack your light layers and an umbrella!

September Temperature in Noshiro

In September in Noshiro, the average temperature is 21°C (71°F), with maximums reaching 33°C (91°F) and minimums dropping as low as 12°C (54°F). This pleasant climate makes it an ideal time for traveling and exploring the local attractions.

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

The chart illustrates September temperature patterns in Noshiro, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Noshiro, September typically has an average temperature of 21°C (71°F), with highs reaching up to 33°C (91°F) and lows dropping to around 12°C (54°F).
JanFebMarAprMayJunJulAugSepOctNovDec343440475764747771604938
Data source: Temperature data for Noshiro generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Noshiro

In Noshiro in September, the precipitation amount is 157 mm (6.2 in) over a period of 15 days.

September Precipitation Trends in Noshiro

The chart displays monthly precipitation patterns in Noshiro, 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 Noshiro, September typically receives around 157 mm (6.2 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec99118112123127140158216157196145174
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Noshiro

In Noshiro in September humidity is 85%. With an average temperature of 21°C (71°F), this humidity feels like a warm, heavy blanket enveloping you, making travel a bit more tiring but also creating an atmosphere rich with the scent of blooming flora and vibrant street life.

September Average Humidity in Noshiro

This chart illustrates the average monthly humidity levels in Noshiro, 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 Noshiro is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%77%75%80%90%94%96%96%85%78%74%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Noshiro

In Noshiro 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 Noshiro.

Maximum UV Index Levels in Noshiro for September

The chart shows the monthly maximum UV Index (UVI) for Noshiro 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 Noshiro typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346891010118642
Data source: Noshiro 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 Noshiro Compares to Other Months

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

This table compares monthly weather conditions in Noshiro, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (35°F)99 mm (3.9 inches)80%moderate
February Weather1°C (34°F)118 mm (4.6 inches)77%moderate
March Weather5°C (41°F)112 mm (4.4 inches)75%high
April Weather8°C (47°F)123 mm (4.8 inches)80%very high
May Weather14°C (57°F)127 mm (5.0 inches)90%very high
June Weather18°C (65°F)140 mm (5.5 inches)94%very high
July Weather23°C (75°F)158 mm (6.2 inches)96%very high
August Weather25°C (77°F)216 mm (8.5 inches)96%extreme
September Weather21°C (71°F)157 mm (6.2 inches)85%very high
October Weather16°C (60°F)195 mm (7.7 inches)78%high
November Weather10°C (50°F)145 mm (5.7 inches)74%moderate
December Weather4°C (39°F)174 mm (6.8 inches)78%low

Compare Noshiro's Climate with Cities Worldwide