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September Weather in Masaki-cho, Japan

Last updated: August 23, 2025

In September, the average temperature in Masaki-cho, Japan is a pleasant 24°C (75°F). Expect lows of 14°C (58°F) and highs reaching up to 33°C (91°F). Rainfall can be anticipated with an average precipitation of 212 mm (8.4 in) spread over 15 days. Don't forget, the humidity hovers around a high 85%, making it feel even warmer.

September Temperature in Masaki-cho

In September in Masaki-cho, the average temperature is 24°C (75°F). Maximums can reach 33°C (91°F), while minimums can drop to as low as 14°C (58°F). This pleasant climate makes it an ideal time for exploring and enjoying outdoor activities in Masaki-cho.

September Weather in Masaki-cho: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Masaki-cho, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Masaki-cho, September typically has an average temperature of 24°C (75°F), with highs reaching up to 33°C (91°F) and lows dropping to around 14°C (58°F).
JanFebMarAprMayJunJulAugSepOctNovDec424350576571788175665546
Data source: Temperature data for Masaki-cho 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 Masaki-cho

In Masaki-cho in September, the precipitation amount is 212 mm (8.4 in) over a span of 15 days.

September Precipitation Trends in Masaki-cho

The chart displays monthly precipitation patterns in Masaki-cho, 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 Masaki-cho, September typically receives around 212 mm (8.4 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec60901291351532153741972122046169
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Masaki-cho

In Masaki-cho in September humidity is 85%. With an average temperature of 24°C (75°F), this humidity feels like walking through a warm, heavy blanket, making travel feel sluggish and draining as you navigate through the thick, muggy air.

September Average Humidity in Masaki-cho

This chart illustrates the average monthly humidity levels in Masaki-cho, 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 Masaki-cho is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%70%70%76%83%86%91%88%85%82%79%77%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Masaki-cho

In Masaki-cho 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 Masaki-cho.

Maximum UV Index Levels in Masaki-cho for September

The chart shows the monthly maximum UV Index (UVI) for Masaki-cho 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 Masaki-cho typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469101211121211864
Data source: Masaki-cho 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 Masaki-cho Compares to Other Months

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

This table compares monthly weather conditions in Masaki-cho, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)60 mm (2.4 inches)74%moderate
February Weather6°C (43°F)90 mm (3.6 inches)70%high
March Weather10°C (50°F)129 mm (5.1 inches)70%very high
April Weather14°C (57°F)135 mm (5.3 inches)76%very high
May Weather18°C (65°F)153 mm (6.0 inches)82%extreme
June Weather22°C (72°F)215 mm (8.5 inches)86%extreme
July Weather26°C (79°F)374 mm (14.7 inches)91%extreme
August Weather27°C (81°F)197 mm (7.7 inches)88%extreme
September Weather24°C (75°F)212 mm (8.4 inches)85%extreme
October Weather19°C (66°F)204 mm (8.0 inches)82%very high
November Weather13°C (55°F)61 mm (2.4 inches)79%high
December Weather8°C (46°F)69 mm (2.7 inches)77%moderate

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