The climate in Ongi during September can be summarized as cool and dry.
September is in the fall / autumn in Ongi and is typically the 5th warmest month of the year. Daytime maximum temperatures average around a cool 14°C (57°F), whilst at night 0°C (32°F) is normal.
Daytime temperature | 13.7°C 56.7°F |
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Nightly temperature | 0.1°C 32.2°F |
Average temperature | 6.9°C 44.4°F |
Daily sunshine | 9.6 hrs |
Avg rainfall | 25 mm 1 ins |
Rainy days | 8 days |
Sea temperature | 15.6°C 60.1°F |
Humidity | 54% |
Windspeed | 10.4kph 7 mph |
On average September is the 5th wettest month of the year in Ongi with around 25mm 1 inches of rain making it a dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.
On the flip side this corresponds to an average of 9.6 hours of sunshine per day.
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 Ongi in September 2025.
Best places to visit in September
Hottest month: | July | 19.5°C 67.1°F |
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Driest month: | January | 1mm 0ins |
Sunniest month: | January | 7.9hrs |
Coldest month: | January | -10.8°C 12.6°F |
Wettest month: | July | 83mm 3.3ins |