September Weather in Gaborone, Botswana

Last updated: August 22, 2025

In Gaborone, Botswana, the average temperature in September is a pleasant 22°C (71°F). While the thermometer can dip to a cool 4°C (39°F) at times, it can also soar to a sizzling 38°C (100°F). Fortunately, you can expect minimal rain, with only 2 mm (0.1 in) of precipitation over just 0 days. The air is relatively comfortable, featuring an average humidity of 49%.

September Temperature in Gaborone

In September in Gaborone, the average temperature is 22°C (71°F). The maximum can reach 38°C (100°F), while the minimum can drop as low as 4°C (39°F). This variation in temperature means travelers should prepare for both warm days and cooler nights.

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

The chart illustrates September temperature patterns in Gaborone, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gaborone, September typically has an average temperature of 22°C (71°F), with highs reaching up to 38°C (100°F) and lows dropping to around 4°C (39°F).

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

September Precipitation in Gaborone

In Gaborone in September, the precipitation amount is 2 mm (0.1 in) during a span of 0 days.

September Precipitation Trends in Gaborone

The chart displays monthly precipitation patterns in Gaborone, 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 Gaborone, September typically receives around 2 mm (0.1 inches) of precipitation spread over approximately 0 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 Gaborone

In Gaborone in September, humidity is 49%. With an average temperature of 22°C (71°F), this humidity feels like a comfortable and pleasant warmth for traveling, allowing for enjoyable outdoor activities without feeling overly sticky or oppressive.

September Average Humidity in Gaborone

This chart illustrates the average monthly humidity levels in Gaborone, 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 Gaborone is approximately 49%, 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 Gaborone

In Gaborone in September, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Gaborone.

Maximum UV Index Levels in Gaborone for September

The chart shows the monthly maximum UV Index (UVI) for Gaborone 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 Gaborone typically reaches 11, which falls under the extreme exposure category.

Data source: Gaborone 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 Gaborone Compares to Other Months

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

This table compares monthly weather conditions in Gaborone, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	25°C (78°F)	97 mm (3.8 inches)	66%	extreme
February Weather	24°C (76°F)	139 mm (5.5 inches)	66%	extreme
March Weather	23°C (74°F)	29 mm (1.2 inches)	67%	extreme
April Weather	20°C (69°F)	29 mm (1.1 inches)	61%	extreme
May Weather	17°C (62°F)	6 mm (0.2 inches)	56%	very high
June Weather	14°C (57°F)	2 mm (0.1 inches)	56%	high
July Weather	13°C (56°F)	2 mm (0.1 inches)	55%	high
August Weather	18°C (64°F)	1 mm (0.0 inches)	45%	very high
September Weather	22°C (71°F)	2 mm (0.1 inches)	49%	extreme
October Weather	24°C (75°F)	33 mm (1.3 inches)	47%	extreme
November Weather	25°C (78°F)	49 mm (1.9 inches)	53%	extreme
December Weather	25°C (78°F)	105 mm (4.2 inches)	64%	extreme