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September Weather in Blayu, Indonesia

Last updated: August 23, 2025

In Blayu, Indonesia, the average temperature in September hovers around 21°C (71°F), offering a pleasant climate. Expect minimums of 13°C (55°F) and highs reaching 29°C (85°F). Be prepared for some rain, as 51 mm (2.0 in) of precipitation typically falls over about 10 days. With an average humidity of 77%, it's a good idea to stay hydrated and enjoy the refreshing atmosphere!

September Temperature in Blayu

In September in Blayu, the average temperature is 21°C (71°F), with maximums reaching up to 29°C (85°F) and minimums dropping as low as 13°C (55°F). This makes it a great time to explore Blayu, as the mild weather is perfect for outdoor activities and sightseeing.

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

The chart illustrates September temperature patterns in Blayu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Blayu, September typically has an average temperature of 21°C (71°F), with highs reaching up to 29°C (85°F) and lows dropping to around 13°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec727272727271696970727372
Data source: Temperature data for Blayu 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 Blayu

In Blayu in September, the total precipitation amount is 51 mm (2.0 in) spread over a period of 10 days.

September Precipitation Trends in Blayu

The chart displays monthly precipitation patterns in Blayu, 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 Blayu, September typically receives around 51 mm (2.0 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec3414044191977357322851104326378
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Blayu

In Blayu in September, humidity is 77%. With an average temperature of 21°C (71°F), this humidity feels like a warm embrace that envelops you, making it both refreshing and slightly heavy, which can be a bit tiring for traveling.

September Average Humidity in Blayu

This chart illustrates the average monthly humidity levels in Blayu, 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 Blayu is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%83%82%80%81%79%77%77%77%76%77%76%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Blayu

In Blayu in September, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Blayu.

Maximum UV Index Levels in Blayu for September

The chart shows the monthly maximum UV Index (UVI) for Blayu 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 Blayu typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141516151211121415161515
Data source: Blayu 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 Blayu Compares to Other Months

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

This table compares monthly weather conditions in Blayu, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (72°F)341 mm (13.4 inches)79%extreme
February Weather22°C (72°F)404 mm (15.9 inches)83%extreme
March Weather22°C (72°F)419 mm (16.5 inches)82%extreme
April Weather22°C (73°F)197 mm (7.8 inches)80%extreme
May Weather22°C (72°F)73 mm (2.9 inches)81%extreme
June Weather22°C (71°F)57 mm (2.2 inches)79%extreme
July Weather20°C (69°F)32 mm (1.3 inches)77%extreme
August Weather21°C (69°F)28 mm (1.1 inches)77%extreme
September Weather21°C (71°F)51 mm (2.0 inches)77%extreme
October Weather22°C (72°F)104 mm (4.1 inches)76%extreme
November Weather23°C (73°F)326 mm (12.8 inches)76%extreme
December Weather22°C (72°F)378 mm (14.9 inches)76%extreme

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