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September Weather in Tsukawaki, Japan

Last updated: August 23, 2025

In September, the average temperature in Tsukawaki, Japan hovers around 22°C (73°F). Expect minimums of 13°C (55°F) and maximums reaching 32°C (90°F). During this time, precipitation is noteworthy, with an average of 210 mm (8.3 in) spread over 17 days, all contributing to a pleasant average humidity level of 84%.

September Temperature in Tsukawaki

In September in Tsukawaki, the average temperature is 22°C (73°F). Maximums can reach 32°C (90°F) and minimums can be as low as 13°C (55°F). This pleasant climate makes Tsukawaki an ideal destination for travelers seeking both warmth and comfort.

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

The chart illustrates September temperature patterns in Tsukawaki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tsukawaki, September typically has an average temperature of 22°C (73°F), with highs reaching up to 32°C (90°F) and lows dropping to around 13°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec394049566571777972635241
Data source: Temperature data for Tsukawaki 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 Tsukawaki

In Tsukawaki in September, the precipitation amount is 210 mm (8.3 in) over a span of 17 days.

September Precipitation Trends in Tsukawaki

The chart displays monthly precipitation patterns in Tsukawaki, 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 Tsukawaki, September typically receives around 210 mm (8.3 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec56801301171652113402522101575567
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Tsukawaki

In Tsukawaki in September, humidity is 84%. With an average temperature of 22°C (73°F), this humidity feels like a warm, enveloping blanket, making outdoor activities quite uncomfortable and necessitating frequent breaks to stay hydrated while exploring.

September Average Humidity in Tsukawaki

This chart illustrates the average monthly humidity levels in Tsukawaki, 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 Tsukawaki is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%71%71%78%84%86%92%91%84%83%81%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Tsukawaki

In Tsukawaki in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Tsukawaki.

Maximum UV Index Levels in Tsukawaki for September

The chart shows the monthly maximum UV Index (UVI) for Tsukawaki 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 Tsukawaki typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469111212121211864
Data source: Tsukawaki 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 Tsukawaki Compares to Other Months

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

This table compares monthly weather conditions in Tsukawaki, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)56 mm (2.2 inches)75%moderate
February Weather5°C (41°F)80 mm (3.2 inches)71%high
March Weather9°C (49°F)130 mm (5.1 inches)71%very high
April Weather13°C (57°F)117 mm (4.6 inches)78%extreme
May Weather18°C (65°F)165 mm (6.5 inches)84%extreme
June Weather21°C (71°F)211 mm (8.3 inches)86%extreme
July Weather25°C (77°F)340 mm (13.4 inches)92%extreme
August Weather26°C (80°F)252 mm (9.9 inches)91%extreme
September Weather22°C (73°F)210 mm (8.3 inches)84%extreme
October Weather17°C (63°F)157 mm (6.2 inches)83%very high
November Weather11°C (52°F)55 mm (2.2 inches)81%high
December Weather5°C (42°F)67 mm (2.6 inches)79%moderate

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