Climate averages 1991–2020
Ciudad Guayana weather
in September.
A hot, wet month: the 5th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Ciudad Guayana: daytime highs average 31.3°C and nights cool to about 23.3°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 112 mm of rain on roughly 17 days, which makes September a wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 10 min on an average September day.
The nearest other city in this atlas is Upata (45 km away). In September its highs average 31.1°C, about as warm as Ciudad Guayana, with 103 mm of rain.
Among the 65 cities listed in Venezuela, Ciudad Guayana ranks joint 13th of 65 for the warmest September highs and 29th of 65 for the driest September (rainfall, lowest first). The mean September high of those 65 cities is 29.9°C; Ciudad Guayana is 1.3°C warmer than that mean.
From September to October, average highs rise by 0.3°C to 31.5°C, and monthly rainfall falls from 112 mm to 89 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Ciudad Guayana climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.6°C22.1°C | 22.1°C | 23 | 4.4 | 11.712 h |
| February | 30.6°C22.2°C | 22.2°C | 11 | 2.2 | 11.912 h |
| March | 32.1°C22.7°C | 22.7°C | 11 | 1.9 | 12.112 h |
| April | 32.9°C23.5°C | 23.5°C | 32 | 4.9 | 12.312 h |
| May | 31.9°C23.6°C | 23.6°C | 106 | 12.6 | 12.512 h |
| June | 29.9°C23.1°C | 23.1°C | 165 | 20.6 | 12.613 h |
| July | 29.4°C22.7°C | 22.7°C | 191 | 24.3 | 12.613 h |
| August | 30.1°C22.9°C | 22.9°C | 161 | 22.6 | 12.412 h |
| September, selected | 31.3°C23.3°C | 23.3°C | 112 | 17.3 | 12.212 h |
| October | 31.5°C23.5°C | 23.5°C | 89 | 15.9 | 11.912 h |
| November | 30.3°C23.2°C | 23.2°C | 85 | 15.9 | 11.712 h |
| December | 29.3°C22.6°C | 22.6°C | 48 | 10.2 | 11.612 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Upata in SeptemberVenezuela · 45 kmHigh 31.1°C · Low 22.2°C · 103 mm rain
- Tucupita in SeptemberVenezuela · 102 kmHigh 31.3°C · Low 23.9°C · 89 mm rain
- Ciudad Bolívar in SeptemberVenezuela · 103 kmHigh 31.2°C · Low 23.7°C · 138 mm rain
- Maturín in SeptemberVenezuela · 166 kmHigh 31.0°C · Low 23.2°C · 97 mm rain
- San José de Guanipa in SeptemberVenezuela · 178 kmHigh 30.7°C · Low 22.8°C · 102 mm rain
- El Tigre in SeptemberVenezuela · 187 kmHigh 30.4°C · Low 22.6°C · 102 mm rain
- Anaco in SeptemberVenezuela · 233 kmHigh 31.5°C · Low 23.3°C · 103 mm rain
- Carúpano in SeptemberVenezuela · 266 kmHigh 31.6°C · Low 24.7°C · 52 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Ciudad Guayana) is explained once on the Ciudad Guayana year overview and on the Sources, method and limits page.