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September Weather in Fukui-shi, Japan

Last updated: August 23, 2025

In September, the average temperature in Fukui-shi, Japan is a pleasant 23°C (73°F). However, you can expect temperatures to range from a cool 13°C (56°F) to a warm 33°C (91°F). During this month, precipitation records at 222 mm (8.7 in) spread across about 15 days, making for a rather humid environment with an average humidity of 87%. Stay prepared for high moisture levels while enjoying the varying warmth of the season!

September Temperature in Fukui-shi

In September in Fukui-shi, the average temperature is 23°C (73°F). Maximums can reach 33°C (91°F), and minimums can be as low as 13°C (56°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy outdoor activities.

September Weather in Fukui-shi: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Fukui-shi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fukui-shi, September typically has an average temperature of 23°C (73°F), with highs reaching up to 33°C (91°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec383846536369778073635343
Data source: Temperature data for Fukui-shi 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 Fukui-shi

In Fukui-shi in September, the precipitation amount is 222 mm (8.7 in) over a span of 15 days.

September Precipitation Trends in Fukui-shi

The chart displays monthly precipitation patterns in Fukui-shi, 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 Fukui-shi, September typically receives around 222 mm (8.7 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec188171173190167191376264222213143232
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Fukui-shi

In Fukui-shi in September humidity is 87%. With an average temperature of 23°C (73°F), this humidity feels like a warm embrace, making travel sticky and challenging as sweat lingers on your skin, turning every step into a small effort and making refreshing breaks a necessity.

September Average Humidity in Fukui-shi

This chart illustrates the average monthly humidity levels in Fukui-shi, 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 Fukui-shi is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%79%74%76%83%87%93%91%87%85%83%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Fukui-shi

In Fukui-shi 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 Fukui-shi.

Maximum UV Index Levels in Fukui-shi for September

The chart shows the monthly maximum UV Index (UVI) for Fukui-shi 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 Fukui-shi typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110754
Data source: Fukui-shi 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 Fukui-shi Compares to Other Months

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

This table compares monthly weather conditions in Fukui-shi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (38°F)188 mm (7.4 inches)82%moderate
February Weather3°C (38°F)171 mm (6.7 inches)79%high
March Weather8°C (46°F)173 mm (6.8 inches)74%very high
April Weather12°C (53°F)190 mm (7.5 inches)76%very high
May Weather17°C (63°F)167 mm (6.6 inches)83%extreme
June Weather20°C (69°F)191 mm (7.5 inches)87%extreme
July Weather25°C (77°F)376 mm (14.8 inches)93%extreme
August Weather26°C (80°F)264 mm (10.4 inches)91%extreme
September Weather23°C (73°F)222 mm (8.7 inches)87%very high
October Weather17°C (63°F)213 mm (8.4 inches)85%high
November Weather11°C (53°F)143 mm (5.6 inches)83%moderate
December Weather6°C (43°F)232 mm (9.1 inches)83%moderate

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