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September Weather in Madang, China

Last updated: August 22, 2025

In Madang, China, the average temperature in September hovers around 8°C (47°F). Expect minimums dipping to -2°C (29°F) and maximums reaching 19°C (67°F). During this time, precipitation averages 158 mm (6.2 in) spread over 24 rainy days, accompanied by a high average humidity of 87%.

September Temperature in Madang

In September in Madang, the average temperature is 8°C (47°F). Maximums can reach 19°C (67°F), while minimums can be as low as -2°C (29°F). This climate makes it a perfect time for travelers to enjoy a mix of mild days and chilly evenings, ideal for outdoor exploration and cozy indoor activities.

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

The chart illustrates September temperature patterns in Madang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Madang, September typically has an average temperature of 8°C (47°F), with highs reaching up to 19°C (67°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec131827354349545347362415
Data source: Temperature data for Madang 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 Madang

In Madang, in September, the precipitation amount is 158 mm (6.2 in) occurring over the course of 24 days.

September Precipitation Trends in Madang

The chart displays monthly precipitation patterns in Madang, 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 Madang, September typically receives around 158 mm (6.2 inches) of precipitation spread over approximately 24 days.
JanFebMarAprMayJunJulAugSepOctNovDec11153178119148156175158103269
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Madang

In Madang in September, humidity is 87%. With an average temperature of 8°C (47°F), this humidity feels like a damp chill that clings to your skin, making outdoor exploration uncomfortably muggy despite the cool air.

September Average Humidity in Madang

This chart illustrates the average monthly humidity levels in Madang, 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 Madang is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%85%85%83%78%80%82%86%87%88%86%79%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Madang

In Madang in September, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Madang.

Maximum UV Index Levels in Madang for September

The chart shows the monthly maximum UV Index (UVI) for Madang 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 Madang typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469131414141312964
Data source: Madang 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 Madang Compares to Other Months

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

This table compares monthly weather conditions in Madang, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-11°C (13°F)11 mm (0.4 inches)81%moderate
February Weather-8°C (18°F)15 mm (0.6 inches)85%high
March Weather-3°C (28°F)31 mm (1.2 inches)85%very high
April Weather2°C (35°F)78 mm (3.1 inches)83%extreme
May Weather6°C (43°F)119 mm (4.7 inches)78%extreme
June Weather10°C (49°F)148 mm (5.8 inches)80%extreme
July Weather12°C (54°F)156 mm (6.1 inches)82%extreme
August Weather12°C (53°F)175 mm (6.9 inches)86%extreme
September Weather8°C (47°F)158 mm (6.2 inches)87%extreme
October Weather2°C (36°F)103 mm (4.0 inches)88%very high
November Weather-4°C (25°F)26 mm (1.0 inches)86%high
December Weather-10°C (15°F)8 mm (0.3 inches)78%moderate

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