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September Weather in Atap, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Atap, Indonesia is a warm 28°C (82°F), with comfortable lows of 23°C (73°F) and highs reaching up to 35°C (96°F). However, prepare for the possibility of ${total_precip_days} rainy days, as the region sees an average precipitation of 246 mm (9.7 in). With an average humidity of 90%, the atmosphere can feel quite tropical—perfect for those who enjoy a lush, vibrant environment!

September Temperature in Atap

In September in Atap, the average temperature is 28°C (82°F), with maximums reaching 35°C (96°F) and minimums dropping to 23°C (73°F). This pleasant weather makes it an ideal time for travelers seeking warm and enjoyable conditions.

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

The chart illustrates September temperature patterns in Atap, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Atap, September typically has an average temperature of 28°C (82°F), with highs reaching up to 35°C (96°F) and lows dropping to around 23°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec818282828282818282828282
Data source: Temperature data for Atap generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in Atap

In Atap in September, the total precipitation amount reaches 246 mm (9.7 in) over the course of 26 days.

September Precipitation Trends in Atap

The chart displays monthly precipitation patterns in Atap, 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 Atap, September typically receives around 246 mm (9.7 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec214165251242273293258281246262252303
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Atap

In Atap in September, humidity is 90%. With an average temperature of 28°C (82°F), this humidity feels like a heavy blanket enveloping you, making travel feel stifling and exhausting, as each step feels laborious and sweat clings to your skin.

September Average Humidity in Atap

This chart illustrates the average monthly humidity levels in Atap, 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 Atap is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%89%87%87%87%88%90%90%88%88%89%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Atap

In Atap in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Atap, you can check here.

Maximum UV Index Levels in Atap for September

The chart shows the monthly maximum UV Index (UVI) for Atap 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 Atap typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141517161513131414151413
Data source: Atap 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 Atap Compares to Other Months

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

This table compares monthly weather conditions in Atap, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)214 mm (8.4 inches)91%extreme
February Weather28°C (82°F)165 mm (6.5 inches)89%extreme
March Weather28°C (82°F)251 mm (9.9 inches)89%extreme
April Weather28°C (82°F)242 mm (9.5 inches)87%extreme
May Weather28°C (83°F)273 mm (10.7 inches)87%extreme
June Weather28°C (82°F)293 mm (11.5 inches)87%extreme
July Weather27°C (82°F)258 mm (10.2 inches)88%extreme
August Weather28°C (82°F)280 mm (11.0 inches)89%extreme
September Weather28°C (82°F)246 mm (9.7 inches)90%extreme
October Weather28°C (82°F)262 mm (10.3 inches)88%extreme
November Weather28°C (82°F)251 mm (9.9 inches)88%extreme
December Weather28°C (82°F)303 mm (11.9 inches)89%extreme

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