Climate averages 1991–2020
Bais weather
in September.
A hot, very wet month: the joint 5th 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 Bais: daytime highs average 28.9°C and nights cool to about 24.5°C. By daytime temperature it is the joint 5th warmest of the 12 months.
Expect about 268 mm of rain on roughly 27 days, which makes September a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 11 min on an average September day.
The nearest other city in this atlas is Tanjay (9 km away). In September its highs average 29.3°C, about as warm as Bais, with 177 mm of rain.
Among the 151 cities listed in the Philippines, Bais ranks joint 100th of 151 for the warmest September highs and joint 70th of 151 for the driest September (rainfall, lowest first). The mean September high of those 151 cities is 29.0°C; Bais is 0.2°C cooler than that mean.
From September to October, average highs stay level at 28.8°C, and monthly rainfall falls from 268 mm to 243 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
Bais climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.1°C23.9°C | 23.9°C | 73 | 12.1 | 11.612 h |
| February | 28.4°C23.8°C | 23.8°C | 73 | 9.2 | 11.812 h |
| March | 29.5°C24.1°C | 24.1°C | 65 | 9.4 | 12.112 h |
| April | 30.6°C24.9°C | 24.9°C | 58 | 9.2 | 12.312 h |
| May | 30.4°C25.3°C | 25.3°C | 152 | 21.9 | 12.613 h |
| June | 29.6°C24.9°C | 24.9°C | 243 | 26.7 | 12.713 h |
| July | 28.8°C24.6°C | 24.6°C | 287 | 28.0 | 12.613 h |
| August | 28.9°C24.5°C | 24.5°C | 259 | 26.1 | 12.412 h |
| September, selected | 28.9°C24.5°C | 24.5°C | 268 | 27.0 | 12.212 h |
| October | 28.8°C24.4°C | 24.4°C | 243 | 26.8 | 11.912 h |
| November | 28.8°C24.5°C | 24.5°C | 135 | 19.4 | 11.712 h |
| December | 28.4°C24.3°C | 24.3°C | 126 | 17.2 | 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
- Tanjay in SeptemberPhilippines · 9 kmHigh 29.3°C · Low 24.9°C · 177 mm rain
- Dumaguete in SeptemberPhilippines · 38 kmHigh 29.1°C · Low 25.1°C · 247 mm rain
- Bayawan in SeptemberPhilippines · 43 kmHigh 28.3°C · Low 24.8°C · 312 mm rain
- Kabankalan in SeptemberPhilippines · 55 kmHigh 29.3°C · Low 23.9°C · 356 mm rain
- Himamaylan in SeptemberPhilippines · 63 kmHigh 29.3°C · Low 24.1°C · 356 mm rain
- Tagbilaran City in SeptemberPhilippines · 80 kmHigh 29.0°C · Low 25.4°C · 137 mm rain
- Sipalay in SeptemberPhilippines · 81 kmHigh 28.7°C · Low 25.0°C · 397 mm rain
- Naga (Central Visayas), Philippines in SeptemberPhilippines · 98 kmHigh 29.5°C · Low 25.7°C · 177 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 Bais) is explained once on the Bais year overview and on the Sources, method and limits page.