The climate in Gaffney during September can be summarized as warm, humid and damp.
September is in the fall / autumn in Gaffney and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 16°C (61°F) is normal.
| Daytime temperature | 27.9°C 82.2°F |
|---|---|
| Nightly temperature | 16.3°C 61.3°F |
| Average temperature | 22.1°C 71.8°F |
| Daily sunshine | 8.3 hrs |
| Avg rainfall | 104 mm 4.1 ins |
| Rainy days | 8 days |
| Sea temperature | 25.1°C 77.1°F |
| Humidity | 75% |
| Windspeed | 10.4kph 7 mph |
On average September is the 6th driest month of the year in Gaffney with around 104mm 4.1 inches of rain making it a damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 8.3 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Gaffney in September 2025.
Best places to visit in September
| Hottest month: | July | 31.6°C 88.9°F |
|---|---|---|
| Driest month: | April | 86mm 3.4ins |
| Sunniest month: | April | 9.4hrs |
| Coldest month: | January | 10.3°C 50.5°F |
| Wettest month: | March | 132mm 5.2ins |