Climate averages 1991–2020
Zamboanga weather
in September.
A hot, very wet month: the joint 8th warmest and the 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Zamboanga: daytime highs average 28.4°C and nights cool to about 25.0°C. By daytime temperature it is the joint 8th warmest of the 12 months.
Expect about 190 mm of rain on roughly 25 days, which makes September a very wet month (the 6th 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 Jolo (152 km away). In September its highs average 28.1°C, about as warm as Zamboanga, with 101 mm of rain.
Among the 151 cities listed in the Philippines, Zamboanga ranks joint 127th of 151 for the warmest September highs and 30th of 151 for the driest September (rainfall, lowest first). The mean September high of those 151 cities is 29.0°C; Zamboanga is 0.6°C cooler than that mean.
From September to October, average highs fall by 0.1°C to 28.4°C, and monthly rainfall rises from 190 mm to 244 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
Zamboanga climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.4°C24.7°C | 24.7°C | 119 | 17.8 | 11.812 h |
| February | 28.7°C24.7°C | 24.7°C | 99 | 14.6 | 11.912 h |
| March | 29.1°C25.0°C | 25.0°C | 108 | 18.4 | 12.112 h |
| April | 29.4°C25.3°C | 25.3°C | 130 | 22.6 | 12.312 h |
| May | 29.1°C25.5°C | 25.5°C | 208 | 26.9 | 12.412 h |
| June | 28.5°C25.2°C | 25.2°C | 247 | 26.2 | 12.513 h |
| July | 28.1°C25.0°C | 25.0°C | 216 | 26.5 | 12.512 h |
| August | 28.3°C25.0°C | 25.0°C | 192 | 24.8 | 12.312 h |
| September, selected | 28.4°C25.0°C | 25.0°C | 190 | 24.6 | 12.212 h |
| October | 28.4°C25.0°C | 25.0°C | 244 | 27.2 | 12.012 h |
| November | 28.6°C25.1°C | 25.1°C | 197 | 25.1 | 11.812 h |
| December | 28.5°C25.0°C | 25.0°C | 157 | 23.1 | 11.712 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
- Jolo in SeptemberPhilippines · 152 kmHigh 28.1°C · Low 26.1°C · 101 mm rain
- Pagadian in SeptemberPhilippines · 182 kmHigh 28.2°C · Low 24.6°C · 234 mm rain
- Muricay in SeptemberPhilippines · 185 kmHigh 28.2°C · Low 24.0°C · 234 mm rain
- Dipolog in SeptemberPhilippines · 231 kmHigh 29.0°C · Low 25.1°C · 237 mm rain
- Ozamiz City in SeptemberPhilippines · 238 kmHigh 29.2°C · Low 24.3°C · 268 mm rain
- Cotabato in SeptemberPhilippines · 242 kmHigh 28.9°C · Low 24.4°C · 227 mm rain
- Sultan Kudarat in SeptemberPhilippines · 244 kmHigh 29.4°C · Low 23.8°C · 227 mm rain
- Oroquieta in SeptemberPhilippines · 259 kmHigh 29.1°C · Low 25.3°C · 173 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 Zamboanga) is explained once on the Zamboanga year overview and on the Sources, method and limits page.