September Weather in Demak, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Demak, Indonesia is a warm 29°C (84°F). Expect a comfortable minimum of 22°C (71°F), while the mercury can soar to a maximum of 37°C (98°F). Be prepared for an average precipitation of 37 mm (1.4 in) spread over 5 days, along with an average humidity of 70%. Enjoy the vibrant climate!

September Temperature in Demak

In September in Demak, the average temperature is 29°C (84°F). Maximums can reach 37°C (98°F) and minimums can be as low as 22°C (71°F). This pleasant warm weather makes Demak an ideal destination for travelers seeking both relaxation and adventure.

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

The chart illustrates September temperature patterns in Demak, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Demak, September typically has an average temperature of 29°C (84°F), with highs reaching up to 37°C (98°F) and lows dropping to around 22°C (71°F).
JanFebMarAprMayJunJulAugSepOctNovDec818081828382828384858382
Data source: Temperature data for Demak 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 Demak

In Demak in September, the precipitation amount is 37 mm (1.4 in) spread over a duration of 5 days.

September Precipitation Trends in Demak

The chart displays monthly precipitation patterns in Demak, 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 Demak, September typically receives around 37 mm (1.4 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec3323493071927571161037100254312
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Demak

In Demak in September, humidity is 70%. With an average temperature of 29°C (84°F), this humidity feels like a warm embrace that clings to your skin, making outdoor activities feel heavy and exhaustingly sticky, while also inviting you to seek refuge in shade or enjoy refreshing drinks frequently.

September Average Humidity in Demak

This chart illustrates the average monthly humidity levels in Demak, 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 Demak is approximately 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%86%84%80%81%81%78%74%70%72%73%75%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Demak

In Demak in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Demak.

Maximum UV Index Levels in Demak for September

The chart shows the monthly maximum UV Index (UVI) for Demak 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 Demak typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141615131110101213141413
Data source: Demak 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 Demak Compares to Other Months

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

This table compares monthly weather conditions in Demak, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (81°F)332 mm (13.1 inches)82%extreme
February Weather27°C (81°F)349 mm (13.7 inches)86%extreme
March Weather27°C (82°F)307 mm (12.1 inches)84%extreme
April Weather28°C (83°F)192 mm (7.6 inches)80%extreme
May Weather28°C (83°F)75 mm (2.9 inches)81%extreme
June Weather28°C (83°F)71 mm (2.8 inches)81%very high
July Weather28°C (83°F)16 mm (0.6 inches)78%very high
August Weather28°C (83°F)10 mm (0.4 inches)74%extreme
September Weather29°C (84°F)37 mm (1.4 inches)70%extreme
October Weather29°C (85°F)100 mm (4.0 inches)72%extreme
November Weather28°C (83°F)254 mm (10.0 inches)73%extreme
December Weather28°C (82°F)312 mm (12.3 inches)75%extreme

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