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Hourly Forecast
Daylight Hours
06:56
Sunrise
19:07
Sunset
Moon
Waxing Crescent
12:40
Moonrise
21:19
Moonset
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Weather in St. Charles today, September 16, 2026
Conditions in St. Charles on September 16, 2026 favour clear skies, so the day opens with a fine, sunny outlook. Any interruptions to the blue should be brief rather than lasting. Expect a brighter morning, with limited cloud around 0% by 07:00. Conditions start on a settled note.
Expect highs of 29°C and cooler readings close to 15°C. Moisture in the air spans 33%-93%, with the highest values around 07:00. Airflow remains manageable, reaching about 3.6 km/h around 11:00.
Afternoon conditions open up, holding cloud close to 0% near 12:00. The day finishes on a milder, brighter note. Visibility stays generally good near 16.0 km on average, though it can drop toward 15.2 km in thicker cloud or showers. Sunrise is at 06:56 and sunset at 19:07, giving 12 hours 11 minutes of sunlight today.
The practical takeaway for St. Charles is a bright September 16, 2026, ideal for outdoor errands before temperatures ease from about 29°C.
Frequently asked questions about weather in St. Charles
How warm does it get in St. Charles?
The warmest month in St. Charles is July, with average high temperatures of 31°C. The average temperature during this period is around 27°C.
How cold does it get in St. Charles?
The coldest month in St. Charles is January, with average low temperatures of 0°C. The average temperature during this period is around 3°C.
What is the wettest time of year in St. Charles?
The wettest month in St. Charles is July, with an average of 138mm of precipitation.
What is the driest time of year in St. Charles?
The driest month in St. Charles is November, with an average of 64mm of precipitation.
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