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September Weather in Sumberjo, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Sumberjo, Indonesia is a welcoming 25°C (78°F). Expect minimums to dip to 19°C (66°F) and maximums to rise to 33°C (91°F). During this month, precipitation averages around 47 mm (1.8 in) spread over 12 days, contributing to an average humidity of 77%. Perfect for enjoying the local climate!

September Temperature in Sumberjo

In September in Sumberjo, the average temperature is 25°C (78°F). Maximum temperatures can reach 33°C (91°F), while minimums can drop to as low as 19°C (66°F). This pleasant and mild climate makes it an ideal time for travel and outdoor activities in Sumberjo.

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

The chart illustrates September temperature patterns in Sumberjo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sumberjo, September typically has an average temperature of 25°C (78°F), with highs reaching up to 33°C (91°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec808081818179767677798081
Data source: Temperature data for Sumberjo 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 Sumberjo

In Sumberjo in September, the precipitation amount is 47 mm (1.8 in) over a period of 12 days.

September Precipitation Trends in Sumberjo

The chart displays monthly precipitation patterns in Sumberjo, 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 Sumberjo, September typically receives around 47 mm (1.8 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec2672842641436771243147119338286
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Sumberjo

In Sumberjo in September humidity is 77%. With an average temperature of 25°C (78°F), this humidity feels like a warm, sticky embrace that can quickly sap your energy, making outdoor activities more challenging and requiring frequent breaks to stay hydrated and cool.

September Average Humidity in Sumberjo

This chart illustrates the average monthly humidity levels in Sumberjo, 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 Sumberjo is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%85%83%81%82%81%79%79%77%78%78%77%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Sumberjo

In Sumberjo 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 Sumberjo.

Maximum UV Index Levels in Sumberjo for September

The chart shows the monthly maximum UV Index (UVI) for Sumberjo 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 Sumberjo typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151515141210111315151515
Data source: Sumberjo 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 Sumberjo Compares to Other Months

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

This table compares monthly weather conditions in Sumberjo, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (80°F)267 mm (10.5 inches)81%extreme
February Weather27°C (80°F)284 mm (11.2 inches)85%extreme
March Weather27°C (81°F)263 mm (10.4 inches)83%extreme
April Weather27°C (82°F)143 mm (5.6 inches)80%extreme
May Weather27°C (81°F)67 mm (2.6 inches)82%extreme
June Weather26°C (79°F)71 mm (2.8 inches)81%very high
July Weather25°C (77°F)24 mm (0.9 inches)79%extreme
August Weather25°C (76°F)31 mm (1.2 inches)79%extreme
September Weather25°C (78°F)47 mm (1.8 inches)77%extreme
October Weather26°C (79°F)119 mm (4.7 inches)77%extreme
November Weather27°C (80°F)337 mm (13.3 inches)78%extreme
December Weather27°C (81°F)286 mm (11.3 inches)77%extreme

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