Climate averages 1991–2020
Iriga City weather
in September.
A hot, very wet month: the joint 7th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Iriga City: daytime highs average 29.1°C and nights cool to about 24.5°C. By daytime temperature it is the joint 7th warmest of the 12 months.
Expect about 383 mm of rain on roughly 29 days, which makes September a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 13 min on an average September day.
The nearest other city in this atlas is Polangui (18 km away). In September its highs average 29.7°C, 0.5°C warmer than Iriga City, with 413 mm of rain.
Among the 151 cities listed in the Philippines, Iriga City ranks joint 78th of 151 for the warmest September highs and 130th of 151 for the driest September (rainfall, lowest first). The mean September high of those 151 cities is 29.0°C; Iriga City is 0.1°C warmer than that mean.
From September to October, average highs rise by 0.1°C to 29.2°C, and monthly rainfall falls from 383 mm to 295 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
Iriga City climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.5°C22.7°C | 22.7°C | 180 | 21.1 | 11.411 h |
| February | 28.0°C22.5°C | 22.5°C | 127 | 16.4 | 11.712 h |
| March | 29.3°C23.0°C | 23.0°C | 121 | 17.4 | 12.012 h |
| April | 31.0°C24.1°C | 24.1°C | 85 | 15.0 | 12.412 h |
| May | 31.1°C25.1°C | 25.1°C | 211 | 22.8 | 12.713 h |
| June | 30.2°C25.1°C | 25.1°C | 302 | 27.4 | 12.913 h |
| July | 29.2°C24.7°C | 24.7°C | 428 | 30.2 | 12.813 h |
| August | 29.1°C24.8°C | 24.8°C | 368 | 29.6 | 12.613 h |
| September, selected | 29.1°C24.5°C | 24.5°C | 383 | 29.0 | 12.212 h |
| October | 29.2°C24.3°C | 24.3°C | 295 | 28.2 | 11.812 h |
| November | 28.9°C24.1°C | 24.1°C | 231 | 26.0 | 11.512 h |
| December | 28.1°C23.6°C | 23.6°C | 285 | 25.3 | 11.411 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
- Polangui in SeptemberPhilippines · 18 kmHigh 29.7°C · Low 24.8°C · 413 mm rain
- Naga (Bicol Region), Philippines in SeptemberPhilippines · 32 kmHigh 29.2°C · Low 25.0°C · 340 mm rain
- Calabanga in SeptemberPhilippines · 38 kmHigh 29.3°C · Low 25.2°C · 268 mm rain
- Legaspi in SeptemberPhilippines · 48 kmHigh 29.5°C · Low 25.1°C · 258 mm rain
- Sorsogon in SeptemberPhilippines · 81 kmHigh 29.0°C · Low 25.8°C · 229 mm rain
- Daet in SeptemberPhilippines · 90 kmHigh 29.3°C · Low 25.2°C · 278 mm rain
- Virac in SeptemberPhilippines · 91 kmHigh 29.6°C · Low 25.9°C · 226 mm rain
- Catarman in SeptemberPhilippines · 169 kmHigh 29.6°C · Low 24.9°C · 233 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 Iriga City) is explained once on the Iriga City year overview and on the Sources, method and limits page.