September Weather in Fef, Indonesia

Last updated: August 23, 2025

In Fef, Indonesia, the average temperature in September is a comfortable 21°C (71°F). Expect temperatures to vary, with a minimum of 16°C (62°F) and a maximum of 28°C (83°F). However, be prepared for some rain, as 499 mm (19.6 in) of precipitation is expected spread over 27 days, resulting in an average humidity of 81%.

September Temperature in Fef

In September in Fef, the average temperature is 21°C (71°F), with maximums reaching 28°C (83°F) and minimums dropping to as low as 16°C (62°F). This mild climate makes it an ideal time for outdoor activities and exploring the local attractions.

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

The chart illustrates September temperature patterns in Fef, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fef, September typically has an average temperature of 21°C (71°F), with highs reaching up to 28°C (83°F) and lows dropping to around 16°C (62°F).

Data source: Temperature data for Fef generated using information from the Copernicus Climate Change Service.

September Precipitation in Fef

In Fef in September, the total precipitation amount is 499 mm (19.6 in), recorded over a span of 27 days.

September Precipitation Trends in Fef

The chart displays monthly precipitation patterns in Fef, 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 Fef, September typically receives around 499 mm (19.6 inches) of precipitation spread over approximately 27 days.

Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

September Humidity in Fef

In Fef in September, humidity is 81%. With an average temperature of 21°C (71°F), this humidity feels like a warm, enveloping blanket that makes traveling feel both refreshing and slightly heavy, often leading to a sticky sensation that can quickly deplete your energy.

September Average Humidity in Fef

This chart illustrates the average monthly humidity levels in Fef, 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 Fef is approximately 81%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in Fef

In Fef 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 Fef.

Maximum UV Index Levels in Fef for September

The chart shows the monthly maximum UV Index (UVI) for Fef 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 Fef typically reaches 15, which falls under the extreme exposure category.

Data source: Fef 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 Fef Compares to Other Months

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

This table compares monthly weather conditions in Fef, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	22°C (72°F)	291 mm (11.5 inches)	78%	extreme
February Weather	22°C (72°F)	290 mm (11.4 inches)	81%	extreme
March Weather	22°C (72°F)	402 mm (15.8 inches)	79%	extreme
April Weather	22°C (72°F)	394 mm (15.5 inches)	81%	extreme
May Weather	22°C (72°F)	414 mm (16.3 inches)	77%	extreme
June Weather	22°C (71°F)	496 mm (19.5 inches)	79%	extreme
July Weather	21°C (71°F)	482 mm (19.0 inches)	81%	extreme
August Weather	21°C (71°F)	471 mm (18.5 inches)	83%	extreme
September Weather	21°C (71°F)	499 mm (19.6 inches)	81%	extreme
October Weather	22°C (71°F)	567 mm (22.3 inches)	80%	extreme
November Weather	22°C (72°F)	384 mm (15.1 inches)	79%	extreme
December Weather	22°C (72°F)	310 mm (12.2 inches)	78%	extreme