Santa Lucía Weather in September
What's the weather like in Santa Lucía (Boaco) in September 2025?
The climate in Santa Lucía during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Santa Lucía and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a muggy 28°C (82°F), whilst at night 19°C (66°F) is normal.
| Daytime temperature | 27.8°C 82°F |
|---|---|
| Nightly temperature | 19°C 66.2°F |
| Average temperature | 23.4°C 74.1°F |
| Daily sunshine | 6 hrs |
| Avg rainfall | 201 mm 7.9 ins |
| Rainy days | 24 days |
| Sea temperature | 29.1°C 84.3°F |
| Humidity | 83% |
| Windspeed | 7.6kph 5 mph |
On average September is the 2nd wettest month of the year in Santa Lucía with around 201mm 7.9 inches of rain making it a very wet time to visit. This rainfall is typically spread over 24 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 hours of sunshine per day.
September temperatures in Santa Lucía
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 Santa Lucía in September 2025.
Other monthly averages
Best places to visit in September
Santa Lucía weather stats
| Hottest month: | May | 29.6°C 85.3°F |
|---|---|---|
| Driest month: | March | 18mm 0.7ins |
| Sunniest month: | March | 8.4hrs |
| Coldest month: | January | 26.1°C 79°F |
| Wettest month: | June | 237mm 9.3ins |
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