The climate in Fort Yates during September can be summarized as mild and reasonably dry.
September is in the fall / autumn in Fort Yates and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 22°C (72°F), whilst at night 8°C (46°F) is normal.
Daytime temperature | 22.4°C 72.2°F |
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Nightly temperature | 7.9°C 46.1°F |
Average temperature | 15.1°C 59.2°F |
Daily sunshine | 9 hrs |
Avg rainfall | 33 mm 1.3 ins |
Rainy days | 7 days |
Sea temperature | 14.9°C 58.7°F |
Humidity | 63% |
Windspeed | 16.9kph 11 mph |
On average September is the 6th wettest month of the year in Fort Yates with around 33mm 1.3 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.
On the flip side this corresponds to an average of 9 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 Fort Yates in September 2025.
Best places to visit in September
Hottest month: | July | 29.9°C 85.8°F |
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Driest month: | January | 8mm 0.3ins |
Sunniest month: | July | 12.3hrs |
Coldest month: | January | -5.4°C 22.3°F |
Wettest month: | June | 71mm 2.8ins |