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September Weather in Passi, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Passi, Indonesia is a comfortable 24°C (75°F). Temperatures can range from a cool 15°C (60°F) to a warm 32°C (91°F). Expect a generous 290 mm (11.4 in) of precipitation spread over 22 days, contributing to an average humidity of 80% which adds a tropical feel to the atmosphere.

September Temperature in Passi

In September in Passi, the average temperature is 24°C (75°F). Maximums can reach 32°C (91°F), and minimums can be as low as 15°C (60°F). This pleasant climate makes it an ideal time for travelers to explore the vibrant surroundings and enjoy outdoor activities.

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

The chart illustrates September temperature patterns in Passi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Passi, September typically has an average temperature of 24°C (75°F), with highs reaching up to 32°C (91°F) and lows dropping to around 15°C (60°F).
JanFebMarAprMayJunJulAugSepOctNovDec767676767775757575767777
Data source: Temperature data for Passi 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 Passi

In Passi in September, the total precipitation amount reaches 290 mm (11.4 in) over the course of 22 days.

September Precipitation Trends in Passi

The chart displays monthly precipitation patterns in Passi, 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 Passi, September typically receives around 290 mm (11.4 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec262291317381367382349225290308346316
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Passi

In Passi in September humidity is 80%. With an average temperature of 24°C (75°F), this humidity feels like a warm, sticky blanket enveloping you, making travel slightly uncomfortable as sweat clings to your skin and the air feels thick, urging you to seek shade and hydration frequently.

September Average Humidity in Passi

This chart illustrates the average monthly humidity levels in Passi, 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 Passi is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%84%84%82%76%78%80%82%80%78%77%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Passi

In Passi 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 Passi.

Maximum UV Index Levels in Passi for September

The chart shows the monthly maximum UV Index (UVI) for Passi 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 Passi typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151617161513131415151414
Data source: Passi 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 Passi Compares to Other Months

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

This table compares monthly weather conditions in Passi, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather24°C (76°F)262 mm (10.3 inches)80%extreme
February Weather24°C (76°F)290 mm (11.4 inches)84%extreme
March Weather25°C (76°F)317 mm (12.5 inches)84%extreme
April Weather25°C (77°F)381 mm (15.0 inches)82%extreme
May Weather25°C (77°F)367 mm (14.4 inches)76%extreme
June Weather24°C (76°F)382 mm (15.0 inches)78%extreme
July Weather24°C (75°F)349 mm (13.8 inches)80%extreme
August Weather24°C (76°F)225 mm (8.9 inches)82%extreme
September Weather24°C (75°F)290 mm (11.4 inches)80%extreme
October Weather25°C (76°F)308 mm (12.1 inches)78%extreme
November Weather25°C (77°F)346 mm (13.6 inches)77%extreme
December Weather25°C (77°F)316 mm (12.4 inches)78%extreme

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