The climate in Union during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Union and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a steamy 30°C (86°F), whilst at night 23°C (74°F) is normal.
Daytime temperature | 30.2°C 86.4°F |
---|---|
Nightly temperature | 23.2°C 73.8°F |
Average temperature | 26.7°C 80.1°F |
Daily sunshine | 6 hrs |
Avg rainfall | 381 mm 15 ins |
Rainy days | 19 days |
Sea temperature | 29.2°C 84.5°F |
Humidity | 84% |
Windspeed | 9kph 6 mph |
On average September is the 4th wettest month of the year in Union with around 381mm 15 inches of rain making it a very wet time to visit. This rainfall is typically spread over 19 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 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 Union in September 2024.
Best places to visit in September
Hottest month: | May | 32°C 89.6°F |
---|---|---|
Driest month: | March | 50mm 2ins |
Sunniest month: | April | 9hrs |
Coldest month: | January | 28.6°C 83.5°F |
Wettest month: | August | 525mm 20.7ins |