nomadseason

September Weather in Hanawa, Japan

Last updated: August 23, 2025

In September, the average temperature in Hanawa, Japan hovers around 21°C (69°F). Expect a pleasant range where the minimum dips to 10°C (50°F) and the maximum soars to 33°C (91°F). However, be prepared for rainy days, as 165 mm (6.5 in) of precipitation is expected over 16 days, contributing to an average humidity of 84%. 🌧️

September Temperature in Hanawa

In September in Hanawa, the average temperature is 21°C (69°F). Maximums can reach 33°C (91°F) and minimums can be as low as 10°C (50°F). This mild climate makes Hanawa an ideal destination for outdoor activities and exploration during this time of year.

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

The chart illustrates September temperature patterns in Hanawa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hanawa, September typically has an average temperature of 21°C (69°F), with highs reaching up to 33°C (91°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec353743516267747769594938
Data source: Temperature data for Hanawa generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Hanawa

In Hanawa in September, the precipitation amount is 165 mm (6.5 in) over a period of 16 days.

September Precipitation Trends in Hanawa

The chart displays monthly precipitation patterns in Hanawa, 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 Hanawa, September typically receives around 165 mm (6.5 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec44381391191411332361491652205352
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Hanawa

In Hanawa in September, humidity is 84%. With an average temperature of 21°C (69°F), this humidity feels like a thick blanket enveloping you, making even the simplest outdoor activities feel exhausting and sticky, which can be quite challenging for traveling.

September Average Humidity in Hanawa

This chart illustrates the average monthly humidity levels in Hanawa, 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 Hanawa is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%72%73%80%87%93%90%84%80%77%77%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Hanawa

In Hanawa 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 Hanawa.

Maximum UV Index Levels in Hanawa for September

The chart shows the monthly maximum UV Index (UVI) for Hanawa 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 Hanawa typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111119753
Data source: Hanawa 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 Hanawa Compares to Other Months

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

This table compares monthly weather conditions in Hanawa, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (35°F)44 mm (1.7 inches)76%moderate
February Weather3°C (37°F)38 mm (1.5 inches)75%moderate
March Weather6°C (44°F)139 mm (5.5 inches)72%high
April Weather11°C (51°F)119 mm (4.7 inches)73%very high
May Weather16°C (62°F)141 mm (5.6 inches)80%very high
June Weather20°C (67°F)133 mm (5.2 inches)87%extreme
July Weather23°C (75°F)236 mm (9.3 inches)92%extreme
August Weather25°C (78°F)149 mm (5.9 inches)90%extreme
September Weather21°C (69°F)165 mm (6.5 inches)84%very high
October Weather15°C (59°F)220 mm (8.6 inches)80%high
November Weather9°C (49°F)53 mm (2.1 inches)77%moderate
December Weather4°C (39°F)52 mm (2.1 inches)77%moderate

Compare Hanawa's Climate with Cities Worldwide