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September Weather in Hanamaki, Japan

Last updated: August 23, 2025

In September, the average temperature in Hanamaki, Japan hovers around 19°C (67°F), offering a pleasant climate. However, be prepared for a range of temperatures, as the minimum can drop to 4°C (40°F), while the mercury can soar to a maximum of 33°C (91°F). Rainfall is also part of the equation, with 122 mm (4.8 in) expected over 14 days. Additionally, the average humidity is a notable 86%, contributing to a lush and vibrant atmosphere.

September Temperature in Hanamaki

In September in Hanamaki, the average temperature is 19°C (67°F). Maximum can reach 33°C (91°F) and minimum can be as low as 4°C (40°F). This varied climate makes Hanamaki an ideal destination for travelers seeking both warm and cool experiences.

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

The chart illustrates September temperature patterns in Hanamaki, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hanamaki, September typically has an average temperature of 19°C (67°F), with highs reaching up to 33°C (91°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec272838465864727466554433
Data source: Temperature data for Hanamaki 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 Hanamaki

In Hanamaki in September, the total precipitation amount is 122 mm (4.8 in) over the course of 14 days.

September Precipitation Trends in Hanamaki

The chart displays monthly precipitation patterns in Hanamaki, 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 Hanamaki, September typically receives around 122 mm (4.8 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec819911713211513217216412215393115
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hanamaki

In Hanamaki in September humidity is 86%. With an average temperature of 19°C (67°F), this humidity feels like traveling through a thick, warm blanket, making the air feel heavy and sticky, which can be quite uncomfortable for outdoor activities.

September Average Humidity in Hanamaki

This chart illustrates the average monthly humidity levels in Hanamaki, 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 Hanamaki 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 Hanamaki

In Hanamaki 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 Hanamaki.

Maximum UV Index Levels in Hanamaki for September

The chart shows the monthly maximum UV Index (UVI) for Hanamaki 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 Hanamaki typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec346991010119643
Data source: Hanamaki 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 Hanamaki Compares to Other Months

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

This table compares monthly weather conditions in Hanamaki, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (28°F)81 mm (3.2 inches)80%moderate
February Weather-2°C (29°F)99 mm (3.9 inches)79%moderate
March Weather3°C (38°F)117 mm (4.6 inches)77%high
April Weather8°C (47°F)132 mm (5.2 inches)75%very high
May Weather14°C (58°F)115 mm (4.5 inches)80%very high
June Weather18°C (65°F)132 mm (5.2 inches)87%very high
July Weather22°C (72°F)172 mm (6.8 inches)92%very high
August Weather23°C (74°F)164 mm (6.5 inches)92%extreme
September Weather19°C (67°F)122 mm (4.8 inches)86%very high
October Weather13°C (56°F)153 mm (6.0 inches)82%high
November Weather6°C (44°F)93 mm (3.7 inches)79%moderate
December Weather0°C (33°F)115 mm (4.5 inches)80%moderate

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