The climate in Smithfield during September can be summarized as warm, humid and damp.
September is in the fall / autumn in Smithfield and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 15°C (58°F) is normal.
Daytime temperature | 28°C 82.3°F |
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Nightly temperature | 14.7°C 58.4°F |
Average temperature | 21.3°C 70.3°F |
Daily sunshine | 8 hrs |
Avg rainfall | 105 mm 4.1 ins |
Rainy days | 7 days |
Sea temperature | 26°C 78.8°F |
Humidity | 77% |
Windspeed | 12.2kph 8 mph |
On average September is the 6th wettest month of the year in Smithfield with around 105mm 4.1 inches of rain making it a damp time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 8 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 Smithfield in September 2025.
Best places to visit in September
Hottest month: | July | 31.3°C 88.3°F |
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Driest month: | November | 81mm 3.2ins |
Sunniest month: | April | 9.2hrs |
Coldest month: | January | 10.1°C 50.2°F |
Wettest month: | July | 140mm 5.5ins |