Baguio weather in September

In September, Baguio has daytime highs averaging 21 °C, nights around 16 °C, with 29 wet days, and a sea temperature of 29 °C. Figures are 1991–2020 climate normals.

  1. Jan 17°
  2. Feb 17°
  3. Mar 18°
  4. Apr 19°
  5. May 19°
  6. Jun 19°
  7. Jul 18°
  8. Aug 18°
  9. Sep 18°
  10. Oct 18°
  11. Nov 18°
  12. Dec 17°

Daily temperatures through September

14° 19° 24° 18152229
Daily high Daily low Day of month on the horizontal axis. Highs peak at 21.6 °C and lows bottom out at 16.0 °C.

How September develops

Averages for the first, middle and last part of the month, from daily 1991–2020 normals. Chance of rain is the share of years in which that calendar day recorded more than 1 mm.

Days Avg high Avg low Chance of rain
1–10 September 21.1 °C 16.3 °C 97 %
11–20 September 21.1 °C 16.3 °C 96 %
21–30 September 21.3 °C 16.2 °C 96 %
0% 50% 100% 1 5 10 15 20 25 30
Chance of a wet day (over 1 mm) by date in September. Wettest date over the 30 years: September 2, at 100 %. Single dates are noisy — read the shape, not the spikes.

What to expect

Measure Typical September Share of the month
Days above 25 °C 0 of 30 0 %
Days above 30 °C 0 of 30 0 %
Days below 0 °C 0 of 30 0 %
Days with more than 1 mm rain 29 of 30 96 %

Conditions in September

MeasureAverage
Mean temperature 18 °C
Record high (1991–2020) 24 °C
Record low (1991–2020) 11 °C
Relative humidity 90 %
Wind speed 9.9 km/h
Cloud cover 88 %

September compared with the months around it

Month Avg high Rainfall Cloud
July 21.3 °C 683 mm 88 %
August 20.9 °C 670 mm 91 %
September 21.2 °C 474 mm 88 %
October 21.5 °C 365 mm 74 %
November 21.7 °C 146 mm 62 %

See all twelve months for Baguio

QuestionsSeptember in Baguio, answered

How warm is Baguio in September?

Daily highs average 21 °C and nights fall to about 16 °C, a spread of 4.9 °C between afternoon and dawn. That makes September the 7th warmest month of the year here.

Does it rain much in Baguio in September?

September averages 474 mm of rain, spread over about 29 of the 30 days — 96 % of the month. Cloud cover averages 88 % of the sky.

Is the sea warm enough to swim in September?

The sea averages 29 °C off Baguio in September. Most people find water below 20 °C bracing and above 25 °C comfortable for a long swim; this figure is a monthly surface average, so a sheltered bay on a still afternoon can be warmer.

How long are the days in September?

Baguio averages 12 hours between sunrise and sunset in September. Day length is computed from latitude and date, so it is exact rather than modelled — but it says nothing about how much of that time is sunny.

Data sources and method

Normal period
1991–2020
Dataset version
era5-1991-2020-scores1.1
Last processed

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: daylight hours, beach and comfort scores, monthly rankings, threshold day counts, chance of a wet day by date, ten-day averages within the month. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.