September Weather in Sekimachi, Japan

Last updated: August 23, 2025

In September, the average temperature in Sekimachi, Japan hovers around 24°C (75°F). Expect a minimum of 11°C (52°F) and a peak temperature reaching 37°C (98°F). With an average humidity of 87%, you might feel the warmth intensify, especially during the 15 days of rainfall, which brings about 225 mm (8.9 in) of precipitation. Prepare accordingly for a humid, yet vibrant month!

September Temperature in Sekimachi

In September in Sekimachi, the average temperature is 24°C (75°F). The maximum can reach 37°C (98°F), and the minimum can be as low as 11°C (52°F). Be prepared for warm days and cooler evenings, making it a great time to explore the area's attractions comfortably.

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

The chart illustrates September temperature patterns in Sekimachi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sekimachi, September typically has an average temperature of 24°C (75°F), with highs reaching up to 37°C (98°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec404250576672798275655445
Data source: Temperature data for Sekimachi 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 Sekimachi

In Sekimachi, in September, the precipitation amount is 225 mm (8.9 in) over the course of 15 days.

September Precipitation Trends in Sekimachi

The chart displays monthly precipitation patterns in Sekimachi, 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 Sekimachi, September typically receives around 225 mm (8.9 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec57681511922001934132402252026368
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sekimachi

In Sekimachi in September, humidity is 87%. With an average temperature of 24°C (75°F), this humidity feels like a warm, sticky embrace that clings to your skin, making outdoor activities feel heavier and more exhausting, and the air thickens, leaving you longing for shade and refreshing breezes as you navigate your adventures.

September Average Humidity in Sekimachi

This chart illustrates the average monthly humidity levels in Sekimachi, 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 Sekimachi is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%74%76%83%87%93%91%87%85%83%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sekimachi

In Sekimachi in September, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Sekimachi.

Maximum UV Index Levels in Sekimachi for September

The chart shows the monthly maximum UV Index (UVI) for Sekimachi 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 Sekimachi typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110753
Data source: Sekimachi 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 Sekimachi Compares to Other Months

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

This table compares monthly weather conditions in Sekimachi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)57 mm (2.2 inches)82%moderate
February Weather5°C (42°F)68 mm (2.7 inches)79%high
March Weather10°C (50°F)151 mm (5.9 inches)74%very high
April Weather14°C (57°F)192 mm (7.5 inches)76%very high
May Weather19°C (66°F)200 mm (7.9 inches)83%extreme
June Weather22°C (72°F)193 mm (7.6 inches)87%extreme
July Weather26°C (79°F)413 mm (16.2 inches)93%extreme
August Weather28°C (83°F)240 mm (9.4 inches)91%extreme
September Weather24°C (75°F)225 mm (8.9 inches)87%very high
October Weather18°C (65°F)201 mm (7.9 inches)85%high
November Weather12°C (54°F)63 mm (2.5 inches)83%moderate
December Weather7°C (45°F)68 mm (2.7 inches)83%moderate

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