The climate in Unidos during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Unidos and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a steamy 31°C (87°F), whilst at night 24°C (74°F) is normal.
| Daytime temperature | 30.5°C 86.9°F | 
|---|---|
| Nightly temperature | 23.5°C 74.3°F | 
| Average temperature | 27°C 80.6°F | 
| Daily sunshine | 6 hrs | 
| Avg rainfall | 346 mm 13.6 ins | 
| Rainy days | 18 days | 
| Sea temperature | 29.2°C 84.6°F | 
| Humidity | 84% | 
| Windspeed | 9kph 6 mph | 
On average September is the 5th wettest month of the year in Unidos with around 346mm 13.6 inches of rain making it a very wet time to visit. This rainfall is typically spread over 18 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 Unidos in September 2025.
Best places to visit in September
| Hottest month: | May | 32.2°C 90°F | 
|---|---|---|
| Driest month: | March | 57mm 2.2ins | 
| Sunniest month: | April | 9hrs | 
| Coldest month: | January | 28.7°C 83.7°F | 
| Wettest month: | August | 450mm 17.7ins | 
 
	 
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