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Hourly Forecast
Daylight Hours
06:28
Sunrise
18:37
Sunset
Moon
Waxing Crescent
11:58
Moonrise
21:12
Moonset
Daily Forecast
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Today
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Saturday
Sunday
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Weather in San Luis today, September 16, 2026
Conditions in San Luis 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.
The day peaks near 38°C and cools toward 28°C. The air stays humid, with relative humidity between 33% and 70% and the peak around 20:00. Winds stay light, near 7.8 km/h by 20:00, so the day feels still more than breezy.
Through the afternoon skies look more workable, with cloud near 3% around 21:00. Later outdoor plans have a clearer window than the morning may have suggested. Horizontal visibility holds close to 16.1 km. Expect sunrise at 06:28, sunset at 18:37, and 12 hours 9 minutes of sunlight today overall.
In short, September 16, 2026 looks like a fine day in San Luis for being outside, peaking around 38°C.
Frequently asked questions about weather in San Luis
How warm does it get in San Luis?
The warmest month in San Luis is July, with average high temperatures of 43°C. The average temperature during this period is around 35°C.
How cold does it get in San Luis?
The coldest month in San Luis is January, with average low temperatures of 9°C. The average temperature during this period is around 15°C.
What is the wettest time of year in San Luis?
The wettest month in San Luis is September, with an average of 17mm of precipitation.
What is the driest time of year in San Luis?
The driest month in San Luis is June, with an average of 1mm of precipitation.
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