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September Weather in Maniwa, Japan

Last updated: August 23, 2025

In September, the average temperature in Maniwa, Japan hovers around 22°C (73°F). Get ready for some variability—while temperatures can dip as low as 11°C (52°F), they can also soar to 33°C (91°F). Expect 225 mm (8.9 in) of precipitation over about 14 days, accompanied by an average humidity level of 87%. Don't forget your umbrella and stay hydrated!

September Temperature in Maniwa

In September in Maniwa, the average temperature is 22°C (73°F), with maximums reaching up to 33°C (91°F) and minimums dipping as low as 11°C (52°F). This range makes it an ideal time for travelers to explore and enjoy outdoor activities comfortably.

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

The chart illustrates September temperature patterns in Maniwa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Maniwa, September typically has an average temperature of 22°C (73°F), with highs reaching up to 33°C (91°F) and lows dropping to around 11°C (52°F).
JanFebMarAprMayJunJulAugSepOctNovDec373947556470788172625141
Data source: Temperature data for Maniwa 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 Maniwa

In Maniwa in September, the total precipitation amount is 225 mm (8.9 in) spread over the course of 14 days.

September Precipitation Trends in Maniwa

The chart displays monthly precipitation patterns in Maniwa, 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 Maniwa, September typically receives around 225 mm (8.9 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec45541111281201803432292251793455
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Maniwa

In Maniwa in September humidity is 87%. With an average temperature of 22°C (73°F), this humidity feels like a thick, warm blanket enveloping you as you travel, making the air feel heavy and the exploration slightly more challenging but also wonderfully immersive in the local atmosphere.

September Average Humidity in Maniwa

This chart illustrates the average monthly humidity levels in Maniwa, 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 Maniwa is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%73%74%84%86%92%92%87%85%84%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Maniwa

In Maniwa 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 Maniwa.

Maximum UV Index Levels in Maniwa for September

The chart shows the monthly maximum UV Index (UVI) for Maniwa 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 Maniwa typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111121210753
Data source: Maniwa 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 Maniwa Compares to Other Months

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

This table compares monthly weather conditions in Maniwa, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)44 mm (1.8 inches)82%moderate
February Weather4°C (39°F)54 mm (2.1 inches)79%high
March Weather8°C (47°F)111 mm (4.4 inches)73%very high
April Weather13°C (55°F)128 mm (5.1 inches)74%very high
May Weather18°C (64°F)120 mm (4.7 inches)84%extreme
June Weather21°C (71°F)180 mm (7.1 inches)86%extreme
July Weather25°C (78°F)343 mm (13.5 inches)92%extreme
August Weather27°C (81°F)229 mm (9.0 inches)92%extreme
September Weather22°C (73°F)225 mm (8.9 inches)87%very high
October Weather17°C (62°F)179 mm (7.0 inches)85%high
November Weather10°C (51°F)34 mm (1.3 inches)84%moderate
December Weather5°C (41°F)55 mm (2.2 inches)82%moderate

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