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September Weather in Nishiokoppe, Japan

Last updated: August 23, 2025

In September, the average temperature in Nishiokoppe, Japan hovers around 16°C (60°F), making it a pleasant time to explore. However, be prepared for fluctuations, as temperatures can dip to a chilly 3°C (38°F) or climb to a warm 29°C (84°F). Expect about 76 mm (3.0 in) of precipitation over 12 days, with an average humidity of 88%. Don’t forget your umbrella! 🌧️

September Temperature in Nishiokoppe

In September in Nishiokoppe, the average temperature is 16°C (60°F). The maximum can reach 29°C (84°F), and the minimum can be as low as 3°C (38°F). It's a great time for travelers to enjoy mild weather while exploring the local sights.

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

The chart illustrates September temperature patterns in Nishiokoppe, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nishiokoppe, September typically has an average temperature of 16°C (60°F), with highs reaching up to 29°C (84°F) and lows dropping to around 3°C (38°F).
JanFebMarAprMayJunJulAugSepOctNovDec171929405357676660483724
Data source: Temperature data for Nishiokoppe 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 Nishiokoppe

In Nishiokoppe in September, the total precipitation amount is 76 mm (3.0 in), occurring over the course of 12 days.

September Precipitation Trends in Nishiokoppe

The chart displays monthly precipitation patterns in Nishiokoppe, 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 Nishiokoppe, September typically receives around 76 mm (3.0 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec61718165939698149761329869
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Nishiokoppe

In Nishiokoppe in September, humidity is 88%. With an average temperature of 16°C (60°F), this humidity feels like a thick, suffocating blanket enveloping you, making every step feel heavier and the air thicker, which can be quite draining for travelers.

September Average Humidity in Nishiokoppe

This chart illustrates the average monthly humidity levels in Nishiokoppe, 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 Nishiokoppe is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%85%85%88%88%93%95%88%81%78%82%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Nishiokoppe

In Nishiokoppe in September, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Nishiokoppe.

Maximum UV Index Levels in Nishiokoppe for September

The chart shows the monthly maximum UV Index (UVI) for Nishiokoppe 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 Nishiokoppe typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec236789997532
Data source: Nishiokoppe 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 Nishiokoppe Compares to Other Months

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

This table compares monthly weather conditions in Nishiokoppe, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (18°F)61 mm (2.4 inches)87%low
February Weather-7°C (20°F)71 mm (2.8 inches)86%moderate
March Weather-1°C (30°F)81 mm (3.2 inches)85%high
April Weather5°C (41°F)65 mm (2.6 inches)85%high
May Weather11°C (53°F)93 mm (3.7 inches)88%very high
June Weather14°C (58°F)95 mm (3.8 inches)88%very high
July Weather19°C (67°F)98 mm (3.8 inches)93%very high
August Weather19°C (66°F)149 mm (5.9 inches)95%very high
September Weather16°C (60°F)76 mm (3.0 inches)88%high
October Weather9°C (49°F)132 mm (5.2 inches)80%moderate
November Weather3°C (37°F)98 mm (3.9 inches)78%moderate
December Weather-5°C (24°F)69 mm (2.7 inches)82%low

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