September weather forecast
Gaborone, Botswana

September in Gaborone witnesses the resurgence of warmer weather conditions. Following the winter solstice, daylight hours reach 12.0h, setting the stage for longer, warmer days. Similarly, UV index readings increase, reflecting stronger solar radiation and thus, the requirement for sun protection. Increased rainfall promotes revitalization of the landscape as its color palette shifts from dry browns to fresh greens. Temperature conditions persistently rise as we head into October, signifying the advent of the hot season.

Temperature

The start of September brings a subtle rise in the average high-temperature, moving from a moderately hot 26.2°C (79.2°F) in August to a tropical 30°C (86°F). September nights in Gaborone present a stark temperature decrease to a cool 12.3°C (54.1°F).

Rainfall

In Gaborone, in September, it is raining for 2 days, with typically 6mm (0.24") of accumulated precipitation. In Gaborone, during the entire year, the rain falls for 41 days and collects up to 190mm (7.48") of precipitation.

Daylight

In September, the average length of the day in Gaborone is 11h and 58min.
On the first day of the month, sunrise is at 06:27 and sunset at 18:05. On the last day of September, in Gaborone, Botswana, sunrise is at 05:56 and sunset at 18:15 CAT.

Sunshine

July through September, with an average of 10h of sunshine, are months with the most sunshine in Gaborone, Botswana.

UV index

In Gaborone, the average daily maximum UV index in September is 9. A UV Index estimate of 8 to 10 represents a very high threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: A daily maximum UV index of 9 in September translates into the following instructions:
Always use protective measures; unprotected skin might suffer damage in a short span. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Even when it's cloudy, ensure the generous application and frequent reapplication of a sunscreen with at least 30 SPF, particularly post swim or outdoor activity.