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September Weather in Hitachi-Naka, Japan

Last updated: August 23, 2025

In September, the average temperature in Hitachi-Naka, Japan is a pleasant 23°C (73°F). However, be prepared for some variability; temperatures can dip to a minimum of 15°C (58°F) or rise to a maximum of 32°C (90°F). Visitors should also anticipate 176 mm (6.9 in) of precipitation spread across 17 days, coupled with an average humidity level of 84%. Enjoy your time in this vibrant locale!

September Temperature in Hitachi-Naka

In September in Hitachi-Naka, the average temperature is 23°C (73°F). Maximums can reach 32°C (90°F), while minimums can drop to as low as 15°C (58°F). This mild climate makes it an ideal destination for travelers seeking comfortable weather.

September Weather in Hitachi-Naka: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Hitachi-Naka, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hitachi-Naka, September typically has an average temperature of 23°C (73°F), with highs reaching up to 32°C (90°F) and lows dropping to around 15°C (58°F).
JanFebMarAprMayJunJulAugSepOctNovDec404148546469768073645545
Data source: Temperature data for Hitachi-Naka 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 Hitachi-Naka

In Hitachi-Naka in September, the precipitation amount is 176 mm (6.9 in) spread over 17 days.

September Precipitation Trends in Hitachi-Naka

The chart displays monthly precipitation patterns in Hitachi-Naka, 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 Hitachi-Naka, September typically receives around 176 mm (6.9 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec48421481261371402151381762398063
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Hitachi-Naka

In Hitachi-Naka in September, humidity is 84%. With an average temperature of 23°C (73°F), this humidity feels like a warm, thick blanket wrapping around you, making travel slightly exhausting but also uniquely invigorating as you navigate through the vibrant atmosphere.

September Average Humidity in Hitachi-Naka

This chart illustrates the average monthly humidity levels in Hitachi-Naka, 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 Hitachi-Naka 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 Hitachi-Naka

In Hitachi-Naka 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 Hitachi-Naka.

Maximum UV Index Levels in Hitachi-Naka for September

The chart shows the monthly maximum UV Index (UVI) for Hitachi-Naka 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 Hitachi-Naka typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109653
Data source: Hitachi-Naka 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 Hitachi-Naka Compares to Other Months

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

This table compares monthly weather conditions in Hitachi-Naka, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (40°F)48 mm (1.9 inches)76%moderate
February Weather5°C (42°F)42 mm (1.6 inches)75%moderate
March Weather9°C (48°F)148 mm (5.8 inches)72%high
April Weather12°C (55°F)126 mm (5.0 inches)73%very high
May Weather18°C (64°F)137 mm (5.4 inches)80%very high
June Weather21°C (70°F)140 mm (5.5 inches)87%extreme
July Weather24°C (76°F)215 mm (8.4 inches)92%extreme
August Weather26°C (80°F)138 mm (5.4 inches)90%very high
September Weather23°C (73°F)176 mm (6.9 inches)84%very high
October Weather18°C (64°F)239 mm (9.4 inches)80%high
November Weather13°C (55°F)80 mm (3.2 inches)77%moderate
December Weather7°C (45°F)63 mm (2.5 inches)77%moderate

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