Average temperature in September is 25.7 °C
Average daytime temperature is 31.8 °C
Average night temperature is 21.7 °C
Absolute maximum temperature: 34.9 °C
Absolute minimum temperature: 19.2 °C
Number of sunny days: 15
Number of rainy days: 15
Number of snow days:
Precipitation sum: 7 mm
* Weather data for Portoviejo Ecuador is based on climate observations for 2023 year
| September (°C) | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Maximum temperature | 30.7 | 30.8 | 31.5 | 30.7 | 30.6 | 30 | 31.1 | 30.2 | 32 | 32.3 | 32.2 | 32.6 | 34.9 | 29.9 | 31 | 30.8 | 33.2 | 30.7 | 32 | 32.1 | 33.3 | 34.1 | 34.8 | 29.2 | 32.8 | 32.1 | 31.2 | 33.7 | 30.9 | 31.4 |
| Apparent max temperature | 35.1 | 35.7 | 36 | 35.3 | 36.3 | 35.1 | 35.3 | 34.3 | 37.4 | 36.7 | 36.7 | 37.9 | 40 | 33.3 | 35.1 | 34.9 | 38.5 | 33.9 | 37.4 | 36.9 | 38.4 | 38.7 | 40.4 | 32.5 | 36.9 | 36.1 | 35.9 | 39.3 | 35 | 35.4 |
| Mean temperature | 25.9 | 26 | 25.8 | 25.3 | 25.8 | 25.5 | 24.9 | 24.4 | 24.8 | 25.1 | 25 | 25.5 | 26.1 | 25 | 25.3 | 25.9 | 26.5 | 25.6 | 25.5 | 25.8 | 26 | 26.7 | 26.2 | 25.2 | 26.3 | 26.3 | 25.7 | 26 | 25.8 | 25.7 |
| Apparent mean temperature | 25.6 | 26.7 | 24.3 | 25.4 | 26.8 | 26.8 | 24.7 | 24.4 | 22 | 23 | 23.8 | 24.2 | 25 | 25.4 | 25.2 | 26.3 | 26.4 | 24.9 | 25.7 | 25.1 | 24.9 | 26.3 | 24.2 | 25.9 | 25.5 | 26.3 | 26 | 24.2 | 25.8 | 25.4 |
| Minimum temperature | 21.8 | 23 | 21.1 | 22.1 | 22.6 | 23.2 | 21.2 | 21 | 19.2 | 19.9 | 20.6 | 20.8 | 21.4 | 21.9 | 22.1 | 23 | 22.3 | 21.4 | 21.9 | 21.2 | 21.1 | 23.2 | 20.9 | 22.2 | 21.9 | 22.7 | 22.1 | 21 | 22.1 | 21.7 |
| Apparent min temperature | 29.8 | 29.6 | 29.4 | 28.9 | 29.9 | 29.2 | 28.5 | 27.6 | 28.3 | 28.5 | 28.2 | 29 | 30 | 28 | 28.5 | 29.4 | 30.5 | 29 | 29.1 | 29.5 | 29.9 | 30 | 29.9 | 28.6 | 29.8 | 29.8 | 29.1 | 29.3 | 29.3 | 29.1 |
| September | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight duration (h) | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 |
| Sunshine duration (h) | 10.8 | 11 | 10.9 | 8.5 | 9.1 | 11 | 10.8 | 7.8 | 11.2 | 11.1 | 11.2 | 11.2 | 11.2 | 8.7 | 9.7 | 8.4 | 11.1 | 9.7 | 9.4 | 11.3 | 11.3 | 11 | 11.3 | 4.2 | 11 | 10.9 | 9.6 | 11.3 | 9.2 | 8.7 |
| Precipitation (mm) | 0.3 | 0 | 0.1 | 0.3 | 1.7 | 0.9 | 0.1 | 1.1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.1 | 0.2 | 0 | 0 | 0.1 | 0 | 0.7 | 0 | 0 | 0.6 | 0.5 | 0.1 | 0 | 0 | 0.2 | 0 |
| Precipitation hours | 2 | 0 | 1 | 1 | 7 | 6 | 1 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | 3 | 2 | 1 | 0 | 0 | 2 | 0 |
| Wind speed (m/s) | 11.6 | 17.4 | 14.1 | 12 | 13.1 | 13.2 | 16.8 | 15.4 | 11.9 | 14.6 | 14.7 | 15.3 | 17.9 | 15.8 | 12.8 | 10.6 | 16.6 | 14.1 | 14.1 | 16.3 | 15.9 | 17 | 15.5 | 11.9 | 13.4 | 15.5 | 15.5 | 16.6 | 14.6 | 13.9 |
In September 2023, the highest daytime temperature in Portoviejo was 34.9°C.
While the minimum temperature at night dropped to 19.2°C.
The average nighttime and daytime temperatures during September in Portoviejo are 21.7°C and 31.8°C respectively.
The precipitation sum in September is about 7 mm.