September Weather in Mega, Indonesia

Last updated: August 23, 2025

In September, the average temperature in Mega, Indonesia hovers around 25°C (77°F), with minimums dipping to 21°C (70°F) and maximums peaking at 31°C (87°F). Expect significant precipitation, totaling 465 mm (18.3 in) spread over 26 days, contributing to a high average humidity level of 81%. 🌧️

September Temperature in Mega

In September in Mega, the average temperature is 25°C (77°F). The maximum can reach 31°C (87°F), while the minimum can dip as low as 21°C (70°F). This pleasant climate makes Mega an ideal destination for outdoor activities and exploration during this time of year.

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

The chart illustrates September temperature patterns in Mega, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mega, September typically has an average temperature of 25°C (77°F), with highs reaching up to 31°C (87°F) and lows dropping to around 21°C (70°F).
JanFebMarAprMayJunJulAugSepOctNovDec787878787877777777787878
Data source: Temperature data for Mega 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 Mega

In Mega in September, the total precipitation amount is 465 mm (18.3 in) recorded over a span of 26 days.

September Precipitation Trends in Mega

The chart displays monthly precipitation patterns in Mega, 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 Mega, September typically receives around 465 mm (18.3 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec238228337329332404381436465380279285
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in Mega

In Mega in September, humidity is 81%. With an average temperature of 25°C (77°F), this humidity feels like walking through a warm, thick blanket, making traveling quite challenging as you may feel sticky and sluggish, requiring frequent breaks to stay refreshed and hydrated.

September Average Humidity in Mega

This chart illustrates the average monthly humidity levels in Mega, 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 Mega is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%81%79%82%77%79%81%83%81%80%79%78%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Mega

In Mega 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 Mega.

Maximum UV Index Levels in Mega for September

The chart shows the monthly maximum UV Index (UVI) for Mega 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 Mega typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151617171412131415151414
Data source: Mega 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 Mega Compares to Other Months

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

This table compares monthly weather conditions in Mega, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (78°F)238 mm (9.4 inches)78%extreme
February Weather26°C (78°F)228 mm (9.0 inches)81%extreme
March Weather26°C (78°F)337 mm (13.3 inches)79%extreme
April Weather26°C (78°F)329 mm (13.0 inches)81%extreme
May Weather26°C (79°F)332 mm (13.1 inches)77%extreme
June Weather25°C (78°F)404 mm (15.9 inches)79%extreme
July Weather25°C (77°F)381 mm (15.0 inches)81%extreme
August Weather25°C (77°F)436 mm (17.2 inches)83%extreme
September Weather25°C (77°F)465 mm (18.3 inches)81%extreme
October Weather25°C (78°F)379 mm (14.9 inches)80%extreme
November Weather26°C (79°F)279 mm (11.0 inches)79%extreme
December Weather26°C (79°F)285 mm (11.2 inches)78%extreme

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