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September Weather in Suwawa, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Suwawa, Indonesia is a pleasant 25°C (78°F). However, visitors should be prepared for temperature fluctuations, as the minimum can drop to 17°C (64°F) and the maximum can reach a warm 33°C (92°F). With an average humidity of 80%, this month also sees about 231 mm (9.1 in) of precipitation spread over 20 days, making it essential to pack accordingly for your trip!

September Temperature in Suwawa

In September in Suwawa, the average temperature is 25°C (78°F). Maximums can reach 33°C (92°F) and minimums can be as low as 17°C (64°F). This makes Suwawa an ideal destination for travelers seeking warm and pleasant weather.

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

The chart illustrates September temperature patterns in Suwawa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Suwawa, September typically has an average temperature of 25°C (78°F), with highs reaching up to 33°C (92°F) and lows dropping to around 17°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec787878787877777878797979
Data source: Temperature data for Suwawa 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 Suwawa

In Suwawa in September, the total precipitation amount is 231 mm (9.1 in), occurring over a span of 20 days.

September Precipitation Trends in Suwawa

The chart displays monthly precipitation patterns in Suwawa, 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 Suwawa, September typically receives around 231 mm (9.1 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec241221319392354299258177231259332263
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Suwawa

In Suwawa in September, humidity is 80%. With an average temperature of 25°C (78°F), this humidity feels like a warm blanket enveloping you, making every outdoor activity feel more strenuous and steaming, while also causing you to seek out shade and refreshment more frequently.

September Average Humidity in Suwawa

This chart illustrates the average monthly humidity levels in Suwawa, 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 Suwawa 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 Suwawa

In Suwawa 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 Suwawa.

Maximum UV Index Levels in Suwawa for September

The chart shows the monthly maximum UV Index (UVI) for Suwawa 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 Suwawa typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151617161512131415151413
Data source: Suwawa 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 Suwawa Compares to Other Months

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

This table compares monthly weather conditions in Suwawa, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (78°F)241 mm (9.5 inches)80%extreme
February Weather26°C (78°F)221 mm (8.7 inches)84%extreme
March Weather26°C (78°F)319 mm (12.6 inches)84%extreme
April Weather26°C (78°F)392 mm (15.5 inches)82%extreme
May Weather26°C (79°F)354 mm (14.0 inches)76%extreme
June Weather25°C (78°F)299 mm (11.8 inches)78%extreme
July Weather25°C (77°F)258 mm (10.1 inches)80%extreme
August Weather25°C (78°F)177 mm (7.0 inches)82%extreme
September Weather25°C (78°F)231 mm (9.1 inches)80%extreme
October Weather26°C (79°F)259 mm (10.2 inches)78%extreme
November Weather26°C (79°F)332 mm (13.1 inches)77%extreme
December Weather26°C (79°F)263 mm (10.4 inches)78%extreme

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