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September Weather in Natori-shi, Japan

Last updated: August 23, 2025

In September, the average temperature in Natori-shi, Japan is a pleasant 22°C (72°F). Expect a minimum dip to 13°C (55°F) and a maximum rise to 31°C (87°F). However, prepare for some rain, as precipitation averages 163 mm (6.4 in) spread over 14 days. With an average humidity of 86%, the air will feel quite humid, adding to the tropical vibe of the month!

September Temperature in Natori-shi

In September in Natori-shi, the average temperature is 22°C (72°F), with maximums reaching up to 31°C (87°F) and minimums dropping as low as 13°C (55°F). This pleasant climate makes it an ideal time for outdoor adventures and sightseeing.

September Weather in Natori-shi: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Natori-shi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Natori-shi, September typically has an average temperature of 22°C (72°F), with highs reaching up to 31°C (87°F) and lows dropping to around 13°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec373844506066737771625241
Data source: Temperature data for Natori-shi 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 Natori-shi

In Natori-shi in September, the total precipitation amount is 163 mm (6.4 in) over the course of 14 days.

September Precipitation Trends in Natori-shi

The chart displays monthly precipitation patterns in Natori-shi, 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 Natori-shi, September typically receives around 163 mm (6.4 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec5242114113111992272131642293958
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Natori-shi

In Natori-shi in September, humidity is 86%. With an average temperature of 22°C (72°F), this humidity feels like a warm blanket wrapping around you as you travel, making it essential to stay hydrated and seek shade during the sun's peak hours.

September Average Humidity in Natori-shi

This chart illustrates the average monthly humidity levels in Natori-shi, 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 Natori-shi is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%77%75%80%87%92%92%86%82%79%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Natori-shi

In Natori-shi 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 Natori-shi.

Maximum UV Index Levels in Natori-shi for September

The chart shows the monthly maximum UV Index (UVI) for Natori-shi 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 Natori-shi typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3478101011119643
Data source: Natori-shi 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 Natori-shi Compares to Other Months

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

This table compares monthly weather conditions in Natori-shi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)52 mm (2.0 inches)80%moderate
February Weather3°C (38°F)42 mm (1.7 inches)79%moderate
March Weather7°C (44°F)114 mm (4.5 inches)77%high
April Weather10°C (51°F)113 mm (4.5 inches)75%very high
May Weather16°C (61°F)111 mm (4.4 inches)80%very high
June Weather19°C (67°F)99 mm (3.9 inches)87%very high
July Weather23°C (74°F)227 mm (8.9 inches)92%extreme
August Weather25°C (77°F)213 mm (8.4 inches)92%extreme
September Weather22°C (72°F)163 mm (6.4 inches)86%very high
October Weather17°C (62°F)229 mm (9.0 inches)82%high
November Weather11°C (52°F)39 mm (1.5 inches)79%moderate
December Weather5°C (42°F)58 mm (2.3 inches)80%moderate

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