nomadseason

September Weather in Mamasa, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Mamasa, Indonesia is a pleasant 20°C (67°F). Visitors can expect a range from a cool 10°C (51°F) to a warm 30°C (85°F). With an average precipitation amount of 271 mm (10.7 in) over approximately 20 days, it's wise to pack an umbrella. Additionally, the average humidity hovers around 78%, ensuring a rich and vibrant atmosphere.

September Temperature in Mamasa

In September in Mamasa, the average temperature is 20°C (67°F), with maximums reaching 30°C (85°F) and minimums dropping to as low as 10°C (51°F). This pleasant climate makes Mamasa an ideal destination for outdoor activities and sightseeing.

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

The chart illustrates September temperature patterns in Mamasa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mamasa, September typically has an average temperature of 20°C (67°F), with highs reaching up to 30°C (85°F) and lows dropping to around 10°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec686767686867666767686868
Data source: Temperature data for Mamasa 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 Mamasa

In Mamasa in September, the precipitation amount is 271 mm (10.7 in) over the course of 20 days.

September Precipitation Trends in Mamasa

The chart displays monthly precipitation patterns in Mamasa, 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 Mamasa, September typically receives around 271 mm (10.7 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec323301347424397373284212271303327306
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Mamasa

In Mamasa in September humidity is 78%. With an average temperature of 20°C (67°F), this humidity feels like walking through a warm, thick blanket, making travel a bit sticky and requiring frequent breaks to find shade and cool refreshments.

September Average Humidity in Mamasa

This chart illustrates the average monthly humidity levels in Mamasa, 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 Mamasa is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%86%86%84%81%82%83%83%78%78%79%83%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Mamasa

In Mamasa in September, the maximum UV index is 16, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, making it crucial to take protective measures. For detailed information, you can refer to the Hourly UV Index in Mamasa.

Maximum UV Index Levels in Mamasa for September

The chart shows the monthly maximum UV Index (UVI) for Mamasa 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 Mamasa typically reaches 16, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161717171513131516161615
Data source: Mamasa 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 Mamasa Compares to Other Months

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

This table compares monthly weather conditions in Mamasa, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather20°C (68°F)323 mm (12.7 inches)84%extreme
February Weather20°C (68°F)301 mm (11.9 inches)86%extreme
March Weather20°C (68°F)347 mm (13.7 inches)86%extreme
April Weather20°C (68°F)424 mm (16.7 inches)84%extreme
May Weather20°C (68°F)397 mm (15.6 inches)81%extreme
June Weather19°C (67°F)373 mm (14.7 inches)82%extreme
July Weather19°C (67°F)283 mm (11.2 inches)83%extreme
August Weather19°C (67°F)212 mm (8.3 inches)83%extreme
September Weather20°C (67°F)271 mm (10.7 inches)78%extreme
October Weather20°C (68°F)303 mm (11.9 inches)78%extreme
November Weather20°C (68°F)327 mm (12.9 inches)79%extreme
December Weather20°C (68°F)306 mm (12.0 inches)83%extreme

Compare Mamasa's Climate with Cities Worldwide