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September Weather in Sowau, Indonesia

Last updated: August 23, 2025

In Sowau, Indonesia, the average temperature in September is a warm 27°C (80°F), with daily fluctuations ranging from a comfortable 24°C (75°F) to a pleasant 29°C (84°F). During this month, expect minimal precipitation at just 3 mm (0.1 in), spread over 0 days, which contributes to an average humidity level of 74%. Perfect weather for exploring!

September Temperature in Sowau

In September in Sowau, the average temperature is 27°C (80°F), with maximums reaching 29°C (84°F) and minimums dropping to as low as 24°C (75°F). This pleasant climate makes it an ideal destination for travelers seeking warmth and comfort.

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

The chart illustrates September temperature patterns in Sowau, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sowau, September typically has an average temperature of 27°C (80°F), with highs reaching up to 29°C (84°F) and lows dropping to around 24°C (75°F).
JanFebMarAprMayJunJulAugSepOctNovDec828282838280797980828483
Data source: Temperature data for Sowau 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 Sowau

In Sowau in September, the precipitation amount is 3 mm (0.1 in) during a total of 0 days.

September Precipitation Trends in Sowau

The chart displays monthly precipitation patterns in Sowau, 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 Sowau, September typically receives around 3 mm (0.1 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec258258172130236333665185
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sowau

In Sowau in September, humidity is 74%. With an average temperature of 27°C (80°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities sticky and uncomfortable for traveling.

September Average Humidity in Sowau

This chart illustrates the average monthly humidity levels in Sowau, 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 Sowau is approximately 74%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%82%82%80%80%75%71%74%74%74%73%73%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sowau

In Sowau 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 Sowau.

Maximum UV Index Levels in Sowau for September

The chart shows the monthly maximum UV Index (UVI) for Sowau 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 Sowau typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151616141210111315151514
Data source: Sowau 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 Sowau Compares to Other Months

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

This table compares monthly weather conditions in Sowau, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather28°C (82°F)258 mm (10.2 inches)77%extreme
February Weather28°C (82°F)258 mm (10.2 inches)82%extreme
March Weather28°C (82°F)172 mm (6.8 inches)82%extreme
April Weather28°C (83°F)130 mm (5.1 inches)80%extreme
May Weather28°C (82°F)23 mm (0.9 inches)80%extreme
June Weather27°C (81°F)6 mm (0.2 inches)75%very high
July Weather26°C (80°F)2 mm (0.1 inches)71%extreme
August Weather26°C (80°F)3 mm (0.1 inches)74%extreme
September Weather27°C (80°F)3 mm (0.1 inches)74%extreme
October Weather28°C (82°F)6 mm (0.2 inches)74%extreme
November Weather29°C (84°F)65 mm (2.6 inches)73%extreme
December Weather28°C (83°F)185 mm (7.3 inches)72%extreme

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