September Sunshine Averages in Costa Rica
The table below gives September averages how much sun cities and towns in Costa Rica receive. Listed for each place are the average number of hours of bright sun daily, plus the total amount of bright sun this month.
The sunshine numbers are averages based on weather data collected over many years.
| Place | Province | Day | Month |
|---|---|---|---|
| Alajuela | Alajuela | 4.9 | 147 |
| Barva | Alajuela | 4.2 | 126 |
| Buenos Aires | Puntarenas | 3.9 | 117 |
| Cañas | Guanacaste | 4.8 | 144 |
| Liberia | Guanacaste | 5.4 | 162 |
| Limón | Limón | 5.3 | 159 |
| Nicoya | Guanacaste | 4.8 | 144 |
| Puntarenas | Puntarenas | 5.3 | 159 |
| Quepos | Puntarenas | 4.6 | 138 |
| San José | San José | 4.0 | 120 |
| Turrialba | Cartago | 4.6 | 138 |
| Upala | Alajuela | 3.9 | 117 |
Reference
Kristel Heinrich Bettoni, Rafael Pacheco Cubero, Manuel Solera Flores and Minor Alfaro Hernandez. 2010. Series De Brillo Solar En Costa Rica. Ministerio del Ambiente, Energía y Telecomunicaciones. Instituto Meteorológico Nacional.