The weather in Mount Pleasant in September is very hot. The average temperatures are between 23°C and 29°C, drinking water regularly is advisable.
You can expect rain for roughly half of the month of September in Mount Pleasant. 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 Mount Pleasant in September 2025.
If you’re planning to visit Mount Pleasant in the near future, we highly recommend that you review the 14 day weather forecast for Mount Pleasant before you arrive.
Temperatures
29° / 23°
Rainy Days
8
Snowy Days
0
Dry Days
22
Rainfall
239
mm
Sun Hours
7.8
Hrs
