Nueva Concepción Weather in September
What's the weather like in Nueva Concepción (Escuintla) in September 2025?
The climate in Nueva Concepción during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Nueva Concepción and is typically the 3rd coldest month of the year. Daytime maximum temperatures average around a steamy 32°C (89°F), whilst at night 22°C (71°F) is normal.
| Daytime temperature | 31.6°C 88.9°F |
|---|---|
| Nightly temperature | 21.8°C 71.2°F |
| Average temperature | 26.7°C 80.1°F |
| Daily sunshine | 7 hrs |
| Avg rainfall | 446 mm 17.5 ins |
| Rainy days | 22 days |
| Sea temperature | 29.5°C 85.1°F |
| Humidity | 75% |
| Windspeed | 7.6kph 5 mph |
On average September is the 2nd wettest month of the year in Nueva Concepción with around 446mm 17.5 inches of rain making it a very wet time to visit. This rainfall is typically spread over 22 days, although this may vary considerably.
On the flip side this corresponds to an average of 7 hours of sunshine per day.
September temperatures in Nueva Concepción
September rainfall
September hourly sunshine
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 Nueva Concepción in September 2025.
Other monthly averages
Best places to visit in September
Nueva Concepción weather stats
| Hottest month: | May | 33.4°C 92.1°F |
|---|---|---|
| Driest month: | January | 5mm 0.2ins |
| Sunniest month: | March | 9.2hrs |
| Coldest month: | January | 32.6°C 90.7°F |
| Wettest month: | October | 457mm 18ins |
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