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September Weather in Sakai, Japan

Last updated: August 23, 2025

In September, the average temperature in Sakai, Japan is a pleasant 25°C (77°F), making it a great time to explore the area. However, temperatures can fluctuate, with a minimum of 13°C (56°F) and a maximum of 37°C (99°F). Visitors should also be prepared for rain, as 164 mm (6.5 in) of precipitation can occur over approximately 14 days. With an average humidity of 87%, expect a tropical ambiance that adds to the charm of the region.

September Temperature in Sakai

In September in Sakai, the average temperature is 25°C (77°F), with maximums reaching 37°C (99°F) and minimums dropping to as low as 13°C (56°F). This climate makes Sakai an ideal destination for travelers seeking pleasant weather with a mix of warm days and cooler evenings.

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

The chart illustrates September temperature patterns in Sakai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sakai, September typically has an average temperature of 25°C (77°F), with highs reaching up to 37°C (99°F) and lows dropping to around 13°C (56°F).
JanFebMarAprMayJunJulAugSepOctNovDec424351596874818577675646
Data source: Temperature data for Sakai 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 Sakai

In Sakai in September, the precipitation amount is 164 mm (6.5 in) spread over 14 days.

September Precipitation Trends in Sakai

The chart displays monthly precipitation patterns in Sakai, 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 Sakai, September typically receives around 164 mm (6.5 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec53651101221461662701601642384862
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sakai

In Sakai in September, humidity is 87%. With an average temperature of 25°C (77°F), this humidity feels like a thick, warm blanket enveloping you, making travel a challenge as sweat clings to your skin and the air feels heavy and stifling.

September Average Humidity in Sakai

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

In Sakai 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 Sakai.

Maximum UV Index Levels in Sakai for September

The chart shows the monthly maximum UV Index (UVI) for Sakai 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 Sakai typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468111111121210764
Data source: Sakai 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 Sakai Compares to Other Months

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

This table compares monthly weather conditions in Sakai, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (42°F)53 mm (2.1 inches)82%moderate
February Weather6°C (43°F)65 mm (2.6 inches)79%high
March Weather10°C (51°F)110 mm (4.3 inches)74%very high
April Weather15°C (59°F)122 mm (4.8 inches)76%extreme
May Weather20°C (68°F)146 mm (5.7 inches)83%extreme
June Weather23°C (74°F)166 mm (6.5 inches)87%extreme
July Weather27°C (82°F)270 mm (10.6 inches)93%extreme
August Weather29°C (85°F)160 mm (6.3 inches)91%extreme
September Weather25°C (77°F)164 mm (6.5 inches)87%very high
October Weather19°C (67°F)238 mm (9.4 inches)85%high
November Weather13°C (56°F)48 mm (1.9 inches)83%high
December Weather8°C (47°F)62 mm (2.5 inches)83%moderate

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