September Weather in Tonj, South Sudan

Last updated: August 31, 2025

In September, the average temperature in Tonj, South Sudan is a balmy 26°C (80°F). Temperatures can dip to a comfortable 21°C (71°F), while peaks can reach a sweltering 36°C (96°F). You can expect 140 mm (5.5 in) of precipitation spread over 22 days, contributing to an average humidity of 86%. Perfect for those who enjoy a lush, tropical atmosphere!

September Temperature in Tonj

In September in Tonj, the average temperature is 26°C (80°F), with maximums reaching up to 36°C (96°F) and minimums dipping as low as 21°C (71°F). This pleasant climate makes it an ideal time for travelers to explore the area while enjoying comfortable weather.

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

The chart illustrates September temperature patterns in Tonj, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tonj, September typically has an average temperature of 26°C (80°F), with highs reaching up to 36°C (96°F) and lows dropping to around 21°C (71°F).

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

September Precipitation in Tonj

In Tonj in September, the total precipitation amount is 140 mm (5.5 in) spread over 22 days.

September Precipitation Trends in Tonj

The chart displays monthly precipitation patterns in Tonj, 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 Tonj, September typically receives around 140 mm (5.5 inches) of precipitation spread over approximately 22 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 Tonj

In Tonj 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 Tonj

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

In Tonj 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 Tonj.

Maximum UV Index Levels in Tonj for September

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

Data source: Tonj 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 Tonj Compares to Other Months

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

This table compares monthly weather conditions in Tonj, 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 (86°F)	0 mm (0.0 inches)	33%	extreme
February Weather	31°C (89°F)	4 mm (0.1 inches)	23%	extreme
March Weather	32°C (91°F)	15 mm (0.6 inches)	34%	extreme
April Weather	32°C (90°F)	31 mm (1.2 inches)	58%	extreme
May Weather	29°C (85°F)	100 mm (3.9 inches)	79%	extreme
June Weather	28°C (82°F)	109 mm (4.3 inches)	84%	extreme
July Weather	26°C (79°F)	149 mm (5.9 inches)	85%	extreme
August Weather	26°C (79°F)	158 mm (6.2 inches)	87%	extreme
September Weather	26°C (80°F)	140 mm (5.5 inches)	86%	extreme
October Weather	27°C (81°F)	105 mm (4.1 inches)	88%	extreme
November Weather	29°C (84°F)	13 mm (0.5 inches)	82%	very high
December Weather	30°C (86°F)	0 mm (0.0 inches)	62%	very high