San Juan del Sur Weather: September
 |
Average Day Temperature: | 87.4°F |
|
Average Night Temperature: | 80.9°F |
|
Sea Water Temperature: | 88.1°F |
|
Number of Sunny Days: | 1 day |
| Sunshine Hours: | 12.0 - 12.3 hours | |
|
Number of Rainy Days: | 8 days |
| Precipitation Totals: | 3.6 in | |
| detailed information | ||
forecast
| San Juan del Sur |
Temperature
| San Juan del Sur |
Air Temperature in September, °F
The highest day temperature in September 2025 was 91°F. The lowest night temperature was 78°F. The average values for day and night temperatures during September were 87.5°F и 80.8°F respectivly.
San Juan del Sur Water Sea Temperature in September, °F
The average sea surface temperature in September 2025 for San Juan del Sur was 87.5°F. The maximum and minimum values were 86.4°F and 88.8°F respectively.
Most of the days in September are gloomy but you can also expect sunny days.
Precipitation Totals in September, in
Precipitation total in September for San Juan del Sur is 3.6 in. It makes september one of the most rainy months of the year.
The average wind speed in September is 8.9 mph. It makes September one of the most windless months of the year for San Juan del Sur.
We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for San Juan del Sur in September is 4.4 hours.
San Juan del Sur on the Weather Map
| Apoyo Lake |  |
+70 |
| Ciudad Sandino | |
+70 |
| Corn Islands |  |
+84 |
| El Transito |  |
+80 |
| Granada | |
+74 |
| Isla de Ometepe | |
+78 |
| Las Salinas | |
+76 |
| Leon | |
+74 |
| Managua | |
+70 |
| Masachapa | |
+80 |
| Masaya | |
+72 |
| Pochomil | |
+80 |
| San Diego | |
+80 |
| San Juan del Sur | |
+78 |
| Somoto | |
+60 |
| 0600 |  |
78°F | SW 16 mph |
| 0900 | |
82°F | W 17 mph |
| 1200 |  |
84°F | W 16 mph |
| 1500 | |
86°F | W 12 mph |
| 1800 |  |
82°F | SW 13 mph |
| 2100 |  |
82°F | SW 15 mph |
| 0000 |  |
80°F | W 14 mph |
| 0300 | |
78°F | W 11 mph |