San Marcelino Weather in September
What's the weather like in San Marcelino (Central Luzon) in September 2025?
The climate in San Marcelino during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in San Marcelino and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a steamy 30°C (86°F), whilst at night 23°C (73°F) is normal.
| Daytime temperature | 30.1°C 86.2°F |
|---|---|
| Nightly temperature | 22.7°C 72.9°F |
| Average temperature | 26.4°C 79.5°F |
| Daily sunshine | 6 hrs |
| Avg rainfall | 560 mm 22 ins |
| Rainy days | 21 days |
| Sea temperature | 29.3°C 84.7°F |
| Humidity | 85% |
| Windspeed | 6.8kph 4 mph |
On average September is the 4th wettest month of the year in San Marcelino with around 560mm 22 inches of rain making it a very wet time to visit. This rainfall is typically spread over 21 days, although this may vary considerably.
On the flip side this corresponds to an average of 6 hours of sunshine per day.
September temperatures in San Marcelino
September rainfall
September hourly sunshine
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in San Marcelino in September 2025.
Other monthly averages
Best places to visit in September
San Marcelino weather stats
| Hottest month: | April | 32.9°C 91.2°F |
|---|---|---|
| Driest month: | February | 2mm 0.1ins |
| Sunniest month: | April | 9.5hrs |
| Coldest month: | January | 30°C 86°F |
| Wettest month: | August | 1028mm 40.5ins |
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