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September Weather in Moriya, Japan

Last updated: August 23, 2025

In September, the average temperature in Moriya, Japan hovers around 24°C (75°F). Expect a range where the mercury dips to a cool 13°C (55°F) at night, while sunny days can soar to a scorching 35°C (95°F). With an average precipitation of 171 mm (6.7 in) spread over 17 days, you might want to prepare for some rain. The high 86% humidity will add a touch of tropical warmth to your experience.

September Temperature in Moriya

In September in Moriya, the average temperature is 24°C (75°F). Maximums can reach 35°C (95°F) and minimums can be as low as 13°C (55°F). This pleasant weather makes it an ideal time for outdoor activities and exploring the vibrant surroundings.

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

The chart illustrates September temperature patterns in Moriya, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Moriya, September typically has an average temperature of 24°C (75°F), with highs reaching up to 35°C (95°F) and lows dropping to around 13°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec394250576772798274655544
Data source: Temperature data for Moriya 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 Moriya

In Moriya in September, the precipitation amount is 171 mm (6.7 in) over the course of 17 days.

September Precipitation Trends in Moriya

The chart displays monthly precipitation patterns in Moriya, 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 Moriya, September typically receives around 171 mm (6.7 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec42391241091221422251121712387254
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Moriya

In Moriya in September, humidity is 86%. With an average temperature of 24°C (75°F), this humidity feels like a warm, sticky embrace, making outdoor activities somewhat uncomfortable and requiring travelers to stay hydrated and take breaks in the shade.

September Average Humidity in Moriya

This chart illustrates the average monthly humidity levels in Moriya, 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 Moriya is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%74%70%74%82%88%93%90%86%83%80%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Moriya

In Moriya 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 Moriya.

Maximum UV Index Levels in Moriya for September

The chart shows the monthly maximum UV Index (UVI) for Moriya 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 Moriya typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109753
Data source: Moriya 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 Moriya Compares to Other Months

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

This table compares monthly weather conditions in Moriya, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (40°F)42 mm (1.6 inches)76%moderate
February Weather6°C (42°F)39 mm (1.5 inches)74%moderate
March Weather10°C (50°F)123 mm (4.9 inches)70%high
April Weather14°C (58°F)109 mm (4.3 inches)74%very high
May Weather19°C (67°F)121 mm (4.8 inches)81%very high
June Weather22°C (72°F)142 mm (5.6 inches)88%extreme
July Weather26°C (79°F)225 mm (8.9 inches)93%extreme
August Weather28°C (82°F)111 mm (4.4 inches)90%very high
September Weather24°C (75°F)171 mm (6.7 inches)86%very high
October Weather18°C (65°F)238 mm (9.4 inches)83%high
November Weather13°C (55°F)72 mm (2.8 inches)80%moderate
December Weather7°C (44°F)54 mm (2.1 inches)78%moderate

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