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Hourly Forecast
Daylight Hours
06:48
Sunrise
19:02
Sunset
Moon
Waxing Crescent
11:36
Moonrise
20:39
Moonset
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Weather in Jacksonville today, September 15, 2026
Jacksonville stays under cloudy skies on September 15, 2026, with only brief brighter breaks. Plan for a day that feels grey more often than open.
Expect highs of 35°C and cooler readings close to 22°C. Moisture in the air spans 41%-85%, with the highest values around 23:00. Expect gentle winds, highest near 21:00 at 7.3 km/h.
Expect persistent cloud later on, with amounts around 100% by 15:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 15.9 km on average, though it can drop toward 14.0 km in thicker cloud or showers. The sun rises at 06:48 and sets at 19:02, for a total of 12 hours 14 minutes of sunlight today.
In short, cloud leads the story in Jacksonville on September 15, 2026; expect limited sun and a peak around 35°C.
Frequently asked questions about weather in Jacksonville
How warm does it get in Jacksonville?
The warmest month in Jacksonville is July, with average high temperatures of 30°C. The average temperature during this period is around 25°C.
How cold does it get in Jacksonville?
The coldest month in Jacksonville 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 Jacksonville?
The wettest month in Jacksonville is July, with an average of 133mm of precipitation.
What is the driest time of year in Jacksonville?
The driest month in Jacksonville is December, with an average of 52mm of precipitation.
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