Mariano Weather in September
What's the weather like in Mariano (Northern Mindanao) in September 2025?
The climate in Mariano during September can be summarized as hot, humid and very wet.
September is in the fall / autumn in Mariano and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 29°C (85°F), whilst at night 19°C (67°F) is normal.
| Daytime temperature | 29.2°C 84.6°F |
|---|---|
| Nightly temperature | 19.2°C 66.6°F |
| Average temperature | 24.2°C 75.6°F |
| Daily sunshine | 6 hrs |
| Avg rainfall | 268 mm 10.5 ins |
| Rainy days | 20 days |
| Sea temperature | 29.4°C 84.9°F |
| Humidity | 83% |
| Windspeed | 5.4kph 3 mph |
On average September is the 2nd wettest month of the year in Mariano with around 268mm 10.5 inches of rain making it a very wet time to visit. This rainfall is typically spread over 20 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 Mariano
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 Mariano in September 2025.
Other monthly averages
Best places to visit in September
Mariano weather stats
| Hottest month: | May | 30.4°C 86.7°F |
|---|---|---|
| Driest month: | April | 134mm 5.3ins |
| Sunniest month: | April | 8.1hrs |
| Coldest month: | January | 27.5°C 81.5°F |
| Wettest month: | August | 271mm 10.7ins |
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