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Hourly Forecast
Daylight Hours
07:27
Sunrise
19:42
Sunset
Moon
Waxing Crescent
12:18
Moonrise
21:16
Moonset
Daily Forecast
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Air Quality Data Available
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UV Index
Humidity
Weather in Bluffton today, September 15, 2026
Bluffton starts September 15, 2026 under largely sunny skies, with bright spells setting the tone from the outset. Outdoor plans should enjoy long stretches of open sky as the day unfolds.
Temperatures climb from an overnight low near 14°C toward a daytime high of about 31°C. The air stays humid, with relative humidity between 51% and 83% and the peak around 23:00. Expect gentle winds, highest near 12:00 at 5.4 km/h.
Expect persistent cloud later on, with amounts around 100% by 12:00. Sunshine remains the exception, not the rule. Views remain open at about 16.1 km. Daylight runs from 07:27 to 19:42, lasting 12 hours 15 minutes of sunlight today.
Taken together, settled sunshine in Bluffton on September 15, 2026 makes outdoor timing easier, with highs near 31°C.
Frequently asked questions about weather in Bluffton
How warm does it get in Bluffton?
The warmest month in Bluffton is July, with average high temperatures of 29°C. The average temperature during this period is around 24°C.
How cold does it get in Bluffton?
The coldest month in Bluffton is January, with average low temperatures of -5°C. The average temperature during this period is around -2°C.
What is the wettest time of year in Bluffton?
The wettest month in Bluffton is May, with an average of 113mm of precipitation.
What is the driest time of year in Bluffton?
The driest month in Bluffton is September, with an average of 61mm of precipitation.
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