The weather in Georgetown in September is very hot. The average temperatures are between 23°C and 33°C, drinking water regularly is advisable.
You can expect rain for roughly half of the month of September in Georgetown. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Georgetown in September 2025.
If you’re planning to visit Georgetown in the near future, we highly recommend that you review the 14 day weather forecast for Georgetown before you arrive.
Temperatures
33° / 23°
Rainy Days
9
Snowy Days
0
Dry Days
21
Rainfall
131
mm
Sun Hours
11.3
Hrs
