September Weather in Rumbek, South Sudan

Last updated: August 31, 2025

In Rumbek, South Sudan, the average temperature in September hovers around 26°C (80°F). Expect minimums of 21°C (70°F) and maximums reaching up to 36°C (97°F). Be prepared for some rain, with 154 mm (6.0 in) of precipitation over 21 days, accompanied by a high average humidity of 86%.

September Temperature in Rumbek

In September, in Rumbek, the average temperature is 26°C (80°F). Maximum temperatures can reach 36°C (97°F), while minimum temperatures can drop to as low as 21°C (70°F). It's a great time for travelers to enjoy warm weather and outdoor activities.

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

The chart illustrates September temperature patterns in Rumbek, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rumbek, September typically has an average temperature of 26°C (80°F), with highs reaching up to 36°C (97°F) and lows dropping to around 21°C (70°F).

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

September Precipitation in Rumbek

In Rumbek in September, the total precipitation amount is 154 mm (6.0 in) spread over 21 days.

September Precipitation Trends in Rumbek

The chart displays monthly precipitation patterns in Rumbek, 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 Rumbek, September typically receives around 154 mm (6.0 inches) of precipitation spread over approximately 21 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 Rumbek

In Rumbek in September humidity is 86%. With an average temperature of 26°C (80°F), this humidity feels like a thick, warm blanket enveloping you, making travel feel exhausting and sticky, as sweat clings to your skin and every step becomes a laborious task in the sweltering conditions.

September Average Humidity in Rumbek

This chart illustrates the average monthly humidity levels in Rumbek, 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 Rumbek is approximately 86%, 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 Rumbek

In Rumbek 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 Rumbek.

Maximum UV Index Levels in Rumbek for September

The chart shows the monthly maximum UV Index (UVI) for Rumbek 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 Rumbek typically reaches 13, which falls under the extreme exposure category.

Data source: Rumbek 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 Rumbek Compares to Other Months

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

This table compares monthly weather conditions in Rumbek, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	30°C (87°F)	0 mm (0.0 inches)	33%	extreme
February Weather	32°C (89°F)	4 mm (0.2 inches)	23%	extreme
March Weather	33°C (91°F)	16 mm (0.6 inches)	34%	extreme
April Weather	32°C (89°F)	31 mm (1.2 inches)	58%	extreme
May Weather	29°C (85°F)	118 mm (4.7 inches)	79%	extreme
June Weather	28°C (82°F)	103 mm (4.0 inches)	84%	extreme
July Weather	26°C (79°F)	137 mm (5.4 inches)	85%	extreme
August Weather	26°C (79°F)	169 mm (6.7 inches)	87%	extreme
September Weather	26°C (80°F)	154 mm (6.0 inches)	86%	extreme
October Weather	27°C (81°F)	112 mm (4.4 inches)	88%	extreme
November Weather	29°C (84°F)	19 mm (0.7 inches)	82%	very high
December Weather	30°C (86°F)	1 mm (0.0 inches)	62%	very high