September Weather in Kotanopan, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Kotanopan, Indonesia is a pleasant 22°C (72°F), with temperatures ranging from a cool 15°C (59°F) to a warm 30°C (86°F). Be prepared for 348 mm (13.7 in) of precipitation spread over 28 days, and keep in mind the air is quite humid, with an average humidity of 87%.

September Temperature in Kotanopan

In September, in Kotanopan, the average temperature is 22°C (72°F). The maximum can reach 30°C (86°F), and the minimum can be as low as 15°C (59°F). This makes it a great time for traveling, as the weather is generally pleasant and suitable for outdoor activities.

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

The chart illustrates September temperature patterns in Kotanopan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kotanopan, September typically has an average temperature of 22°C (72°F), with highs reaching up to 30°C (86°F) and lows dropping to around 15°C (59°F).
JanFebMarAprMayJunJulAugSepOctNovDec717272737373727272727272
Data source: Temperature data for Kotanopan 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 Kotanopan

In Kotanopan in September, the precipitation amount is 348 mm (13.7 in) over a span of 28 days.

September Precipitation Trends in Kotanopan

The chart displays monthly precipitation patterns in Kotanopan, 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 Kotanopan, September typically receives around 348 mm (13.7 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec223213327348317236227280348364415361
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Kotanopan

In Kotanopan in September humidity is 87%. With an average temperature of 22°C (72°F), this humidity feels like a warm blanket wrapping around you, making every step while traveling feel slightly heavier and more tedious, yet still refreshing in the shade.

September Average Humidity in Kotanopan

This chart illustrates the average monthly humidity levels in Kotanopan, 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 Kotanopan is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%75%79%80%83%84%83%86%87%89%87%85%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Kotanopan

In Kotanopan 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 Kotanopan.

Maximum UV Index Levels in Kotanopan for September

The chart shows the monthly maximum UV Index (UVI) for Kotanopan 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 Kotanopan typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151516161513131415151413
Data source: Kotanopan 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 Kotanopan Compares to Other Months

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

This table compares monthly weather conditions in Kotanopan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (72°F)223 mm (8.8 inches)81%extreme
February Weather22°C (72°F)213 mm (8.4 inches)75%extreme
March Weather22°C (73°F)327 mm (12.9 inches)78%extreme
April Weather23°C (73°F)348 mm (13.7 inches)80%extreme
May Weather23°C (73°F)317 mm (12.5 inches)83%extreme
June Weather23°C (73°F)236 mm (9.3 inches)84%extreme
July Weather22°C (72°F)227 mm (8.9 inches)83%extreme
August Weather22°C (72°F)280 mm (11.0 inches)86%extreme
September Weather22°C (72°F)348 mm (13.7 inches)87%extreme
October Weather22°C (72°F)364 mm (14.3 inches)88%extreme
November Weather22°C (72°F)415 mm (16.3 inches)87%extreme
December Weather22°C (72°F)361 mm (14.2 inches)85%extreme

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