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September Weather in Sepatan, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Sepatan, Indonesia hovers around 28°C (83°F). Visitors can expect a comfortable climate, with temperatures ranging from a minimum of 24°C (76°F) to a maximum of 34°C (93°F). However, be prepared for some rain, as the region receives about 69 mm (2.7 in) of precipitation over 14 days. With an average humidity of 77%, the air can feel a bit sticky, so stay hydrated and enjoy your time!

September Temperature in Sepatan

In September in Sepatan, the average temperature is 28°C (83°F). Maximum temperatures can reach 34°C (93°F), while minimums can drop to as low as 24°C (76°F). This climate makes Sepatan an ideal destination for travelers seeking warm and pleasant weather.

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

The chart illustrates September temperature patterns in Sepatan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sepatan, September typically has an average temperature of 28°C (83°F), with highs reaching up to 34°C (93°F) and lows dropping to around 24°C (76°F).
JanFebMarAprMayJunJulAugSepOctNovDec828182838383828383848382
Data source: Temperature data for Sepatan 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 Sepatan

In Sepatan in September, the precipitation amount is 69 mm (2.7 in) over the course of 14 days.

September Precipitation Trends in Sepatan

The chart displays monthly precipitation patterns in Sepatan, 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 Sepatan, September typically receives around 69 mm (2.7 inches) of precipitation spread over approximately 14 days.
JanFebMarAprMayJunJulAugSepOctNovDec22328625021013998505170100169226
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sepatan

In Sepatan in September, humidity is 77%. With an average temperature of 28°C (83°F), this humidity feels like walking through a warm, damp blanket, making outdoor activities more challenging and requiring frequent hydration breaks for travelers.

September Average Humidity in Sepatan

This chart illustrates the average monthly humidity levels in Sepatan, 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 Sepatan is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%86%84%81%80%80%79%77%77%78%80%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sepatan

In Sepatan in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Sepatan.

Maximum UV Index Levels in Sepatan for September

The chart shows the monthly maximum UV Index (UVI) for Sepatan 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 Sepatan typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141616151211101013151514
Data source: Sepatan 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 Sepatan Compares to Other Months

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

This table compares monthly weather conditions in Sepatan, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather28°C (82°F)223 mm (8.8 inches)84%extreme
February Weather27°C (82°F)285 mm (11.2 inches)86%extreme
March Weather28°C (82°F)250 mm (9.8 inches)84%extreme
April Weather28°C (83°F)210 mm (8.3 inches)81%extreme
May Weather29°C (84°F)139 mm (5.5 inches)80%extreme
June Weather28°C (83°F)98 mm (3.9 inches)80%extreme
July Weather28°C (83°F)50 mm (2.0 inches)79%very high
August Weather28°C (83°F)51 mm (2.0 inches)77%very high
September Weather28°C (83°F)69 mm (2.7 inches)77%extreme
October Weather29°C (84°F)100 mm (3.9 inches)78%extreme
November Weather28°C (83°F)169 mm (6.7 inches)80%extreme
December Weather28°C (82°F)226 mm (8.9 inches)79%extreme

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