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September Weather in Tome, Japan

Last updated: August 23, 2025

In September, the average temperature in Tome, Japan is a pleasant 21°C (71°F), with the mercury dipping as low as 8°C (47°F) and soaring to a maximum of 35°C (95°F). Expect around 114 mm (4.5 in) of precipitation over approximately 13 days, coupled with a relatively high average humidity of 86%. Enjoy the diverse weather offerings of this vibrant location!

September Temperature in Tome

In September in Tome, the average temperature is 21°C (71°F). Maximum temperatures can reach 35°C (95°F), while minimum temperatures can drop as low as 8°C (47°F). This range makes Tome an ideal destination for travelers seeking a pleasant climate for outdoor activities and exploration.

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

The chart illustrates September temperature patterns in Tome, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tome, September typically has an average temperature of 21°C (71°F), with highs reaching up to 35°C (95°F) and lows dropping to around 8°C (47°F).
JanFebMarAprMayJunJulAugSepOctNovDec353743516268757771604939
Data source: Temperature data for Tome 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 Tome

In Tome in September, the total precipitation amount is 114 mm (4.5 in), distributed over the course of 13 days.

September Precipitation Trends in Tome

The chart displays monthly precipitation patterns in Tome, 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 Tome, September typically receives around 114 mm (4.5 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec434210010093921701621141723755
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Tome

In Tome in September, humidity is 86%. With an average temperature of 21°C (71°F), this humidity feels like a warm, dense blanket wrapping around you, making outdoor activities feel slightly stifling and requiring frequent breaks for hydration.

September Average Humidity in Tome

This chart illustrates the average monthly humidity levels in Tome, 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 Tome is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%77%75%80%87%92%92%86%82%79%80%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Tome

In Tome 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 Tome.

Maximum UV Index Levels in Tome for September

The chart shows the monthly maximum UV Index (UVI) for Tome 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 Tome typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346891011109643
Data source: Tome 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 Tome Compares to Other Months

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

This table compares monthly weather conditions in Tome, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)43 mm (1.7 inches)80%moderate
February Weather3°C (37°F)42 mm (1.7 inches)79%moderate
March Weather6°C (44°F)100 mm (3.9 inches)77%high
April Weather11°C (51°F)100 mm (4.0 inches)75%very high
May Weather17°C (62°F)93 mm (3.6 inches)80%very high
June Weather20°C (68°F)92 mm (3.6 inches)87%very high
July Weather24°C (75°F)170 mm (6.7 inches)92%extreme
August Weather25°C (78°F)162 mm (6.4 inches)92%very high
September Weather21°C (71°F)114 mm (4.5 inches)86%very high
October Weather16°C (60°F)172 mm (6.8 inches)82%high
November Weather9°C (49°F)37 mm (1.5 inches)79%moderate
December Weather4°C (39°F)54 mm (2.1 inches)80%moderate

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