City break

Iloilo City weather in September

Temperature, sea and sunshine in September: long-term averages from 30 years of weather data, not a forecast.

42

Holiday weather in September

Fair

Best time to visit: February

What is the weather like in Iloilo City in September?

In September, Iloilo City is hot: daytime highs average 29 °C, and even at night it stays warm at around 24 °C. The sea averages 29.1 °C – almost as warm as a bath. Expect around 4 hours of sunshine a day. It is the rainy season: rain falls on about 28 days, totalling 287 mm. On about 8 days the thermometer climbs to 30 °C or more. The air is often humid and muggy. All in all, September is a so-so month for a holiday in Iloilo City.

September compared

How the weather changes from August to October. Tap a month to open it.

AugustAugSeptemberSepOctoberOct
Score434242
Day29°29°29°
Night25°24°24°
Sea29°29°29°
Sun5 h4 h5 h
Rain days282828

More details for September

Daylight
12 h 12 min05:39 – 17:51
UV index
13 · extremeclear sky, noon (estimate)All months
Muggy days
30 daysdew point 18 °C or moreAll months
Wind
16 km/haverage daily peakAll months
Cloud cover
88 %on averageAll months
Hot days
8 days30 °C or moreAll months
Time zone
UTC+8Asia/Manila

How the score comes together

  • Temperatureweight 50 %74 %
  • Sunshineweight 20 %23 %
  • Few rainy daysweight 30 %0 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in September

  • Swimwear
  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Insect repellent
  • Rain jacket or umbrella

Iloilo City in September: quick answers

Is Iloilo City hot in September?

Yes. In September, Iloilo City is hot: daytime highs average 29 °C and nights stay around 24 °C. On about 8 days the thermometer climbs to 30 °C or more.

Can you swim in Iloilo City in September?

Yes. In September the sea averages 29.1 °C – almost as warm as a bath.

Does it rain much in Iloilo City in September?

It rains often – on about 28 days, adding up to 287 mm.

Iloilo City month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences