nomadseason

September Weather in Simpang, Indonesia

Last updated: August 23, 2025

In Simpang, Indonesia, the average temperature in September reaches a warm 28°C (82°F). While temperatures can dip as low as 20°C (68°F), they can soar to a maximum of 37°C (99°F). Expect 96 mm (3.8 in) of precipitation spread over 11 days, contributing to a notably high average humidity of 81%.

September Temperature in Simpang

In September in Simpang, the average temperature is 28°C (82°F). Maximums can reach 37°C (99°F), while minimums can drop to as low as 20°C (68°F). This warm and pleasant climate makes Simpang an ideal destination for travelers seeking sun and adventure.

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

The chart illustrates September temperature patterns in Simpang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Simpang, September typically has an average temperature of 28°C (82°F), with highs reaching up to 37°C (99°F) and lows dropping to around 20°C (68°F).
JanFebMarAprMayJunJulAugSepOctNovDec797879798079798182828079
Data source: Temperature data for Simpang 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 Simpang

In Simpang in September, the precipitation amount is 96 mm (3.8 in) spread over 11 days, resulting in a significant accumulation of rainfall.

September Precipitation Trends in Simpang

The chart displays monthly precipitation patterns in Simpang, 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 Simpang, September typically receives around 96 mm (3.8 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec226341412292198127725796186322372
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

September Humidity in Simpang

In Simpang in September, humidity is 81%. With an average temperature of 28°C (82°F), this humidity feels like a warm blanket wrapped around you, making traveling somewhat uncomfortable as the air thickens, leaving you longing for a refreshing breeze.

September Average Humidity in Simpang

This chart illustrates the average monthly humidity levels in Simpang, 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 Simpang 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 Simpang

In Simpang 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 Simpang, you can check here.

Maximum UV Index Levels in Simpang for September

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

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

This table compares monthly weather conditions in Simpang, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)226 mm (8.9 inches)87%extreme
February Weather26°C (79°F)341 mm (13.4 inches)86%extreme
March Weather26°C (79°F)411 mm (16.2 inches)85%extreme
April Weather26°C (80°F)292 mm (11.5 inches)84%extreme
May Weather27°C (80°F)198 mm (7.8 inches)82%extreme
June Weather26°C (79°F)127 mm (5.0 inches)82%extreme
July Weather26°C (79°F)72 mm (2.8 inches)83%extreme
August Weather27°C (81°F)57 mm (2.2 inches)82%extreme
September Weather28°C (82°F)96 mm (3.8 inches)81%extreme
October Weather28°C (82°F)186 mm (7.3 inches)81%extreme
November Weather27°C (80°F)322 mm (12.7 inches)83%extreme
December Weather26°C (79°F)372 mm (14.6 inches)84%extreme

Compare Simpang's Climate with Cities Worldwide