September Weather in Blambangan Umpu, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Blambangan Umpu, Indonesia hovers around 28°C (83°F), creating a warm and inviting atmosphere. Expect a minimum of 21°C (70°F) and soar up to a maximum of 37°C (99°F). However, don’t forget your umbrella, as 94 mm (3.7 in) of precipitation may fall over 11 days. With an average humidity of 81%, it’s the perfect time to experience the local culture and scenery!

September Temperature in Blambangan Umpu

In September in Blambangan Umpu, the average temperature is 28°C (83°F), with maximums soaring to 37°C (99°F) and minimums dipping as low as 21°C (70°F). This makes it an ideal time for travelers seeking warm weather and plenty of sunshine.

September Weather in Blambangan Umpu: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in Blambangan Umpu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Blambangan Umpu, September typically has an average temperature of 28°C (83°F), with highs reaching up to 37°C (99°F) and lows dropping to around 21°C (70°F).
JanFebMarAprMayJunJulAugSepOctNovDec797980808180808282828180
Data source: Temperature data for Blambangan Umpu 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 Blambangan Umpu

In Blambangan Umpu in September, the precipitation amount is 94 mm (3.7 in) over the course of 11 days.

September Precipitation Trends in Blambangan Umpu

The chart displays monthly precipitation patterns in Blambangan Umpu, 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 Blambangan Umpu, September typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec214338394290189123715194171293327
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Blambangan Umpu

In Blambangan Umpu in September, humidity is 81%. With an average temperature of 28°C (83°F), this humidity feels like walking through a warm, damp blanket, making travel feel both stifling and exhausting.

September Average Humidity in Blambangan Umpu

This chart illustrates the average monthly humidity levels in Blambangan Umpu, 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 Blambangan Umpu is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%85%84%82%82%83%82%81%81%83%84%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Blambangan Umpu

In Blambangan Umpu in September, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Blambangan Umpu, you can check here.

Maximum UV Index Levels in Blambangan Umpu for September

The chart shows the monthly maximum UV Index (UVI) for Blambangan Umpu 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 Blambangan Umpu typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151616151311121314151514
Data source: Blambangan Umpu 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 Blambangan Umpu Compares to Other Months

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

This table compares monthly weather conditions in Blambangan Umpu, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (80°F)214 mm (8.4 inches)87%extreme
February Weather26°C (79°F)338 mm (13.3 inches)86%extreme
March Weather26°C (80°F)394 mm (15.5 inches)85%extreme
April Weather27°C (80°F)290 mm (11.4 inches)84%extreme
May Weather27°C (81°F)189 mm (7.5 inches)82%extreme
June Weather27°C (80°F)123 mm (4.8 inches)82%extreme
July Weather27°C (80°F)71 mm (2.8 inches)83%extreme
August Weather28°C (82°F)51 mm (2.0 inches)82%extreme
September Weather28°C (83°F)94 mm (3.7 inches)81%extreme
October Weather28°C (83°F)171 mm (6.7 inches)81%extreme
November Weather27°C (81°F)293 mm (11.5 inches)83%extreme
December Weather26°C (80°F)327 mm (12.9 inches)84%extreme

Compare Blambangan Umpu's Climate with Cities Worldwide