News Summary
On September 28, 2025, Rock Hill, SC, faced an uncharacteristically cool day with temperatures dipping below historical averages. With a high of 80°F and low of 65°F, residents had to grab jackets and umbrellas as humidity soared and rain fell intermittently. The day also featured overcast skies, occasional sunshine, and a notable shift in weather, marking a transitional period as autumn approaches.
Rock Hill, SC, Faces an Uncharacteristically Cool September Day
In a surprising twist for weather watchers, Rock Hill, SC, has been experiencing some unseasonably cool and wet conditions on September 28, 2025. While many are bracing themselves for the last few days of warm weather before autumn takes full hold, residents had to dig out their light jackets and umbrellas as the temperatures dipped below the historic averages.
Temperature Tango
The temperature barely hit a high of 80°F (27°C), while the low settled in at 65°F (18°C). For reference, September typically brings warmer highs of around 83°F (28.5°C) and lows of around 64°F (17.8°C). This year, folks found themselves in a crisp 72°F (22°C) average that felt almost refreshing compared to the often stifling September heat.
Humidity Hike
Adding to the surprise, humidity levels ranged from 66% to a staggering 100% throughout the day. It felt damp enough at times that one might think a tropical storm was rolling in, although it was just an ordinary day that gave us a touch of autumn’s cool grip.
Rain, Rain, Go Away!
When it comes to precipitation, Rock Hill wasn’t shy about it. The skies opened up occasionally to drop moderate rain, followed by light showers in the evening. By day’s end, residents had to contend with a total estimated rainfall of 0.03 inches (0.08 cm). While it’s nothing to write home about, any rain can be a welcome relief in a place often bustling with summer heat.
Windy Whispers
The winds were whispering lightly, moving at around 6.2 mph (10 km/h). The breezy gusts shifted quietly from the north to the east-northeast, giving an added chill to the day that reminded folks summer was officially leaving the building.
Clouds and Sunshine
As for the sky, it was predominantly overcast in the morning, transitioning into a thick fog by the afternoon. Despite the gloominess, residents enjoyed around 8 hours of sunshine throughout the day. Talk about a silver lining!
A Peek at Pressure and UV Levels
The average barometric pressure settled comfortably at 29.9 inHg (1013 mb), while the UV index peaked at a moderate level of 6.3 around 1 PM. The sun didn’t hold back in its ability to shine, so sunscreen was still a good idea if you planned to be outside!
Sunrise and Sunset
Early risers were treated to a beautiful sunrise at 7:18 AM, while the day wrapped up with the sun setting at 7:09 PM. With a total daylight duration of about 12 hours and 23 minutes, there was plenty of time to enjoy the dynamic weather.
Historical Comparisons
When we stack this unique day against the historical averages for September, it becomes clear that Rock Hill is in for a notable transition. The average rainfall for this month usually stands at 1.97 inches (50 mm) across about 11.2 days, so we might well be in for some surprises in the days to come.
As the folks of Rock Hill navigate this unusual weather, it seems that autumn is creeping in. Now, if only the question of warm coffee or iced treats would stop plaguing everyone until proper fall weather finally arrives!
Author: STAFF HERE ROCK HILL
The ROCK HILL STAFF WRITER represents the experienced team at HERERockHill.com, your go-to source for actionable local news and information in Rock Hill, York County, and beyond. Specializing in "news you can use," we cover essential topics like product reviews for personal and business needs, local business directories, politics, real estate trends, neighborhood insights, and state news affecting the area—with deep expertise drawn from years of dedicated reporting and strong community input, including local press releases and business updates. We deliver top reporting on high-value events such as the Come-See-Me Festival, Rock Hill Arts Festival, and motorsport events at the Rock Hill Velodrome. Our coverage extends to key organizations like the Rock Hill Chamber of Commerce and the Culture & Heritage Museums, plus leading businesses in manufacturing and technology that power the local economy such as 3D Systems and Comporium. As part of the broader HERE network, including HEREAiken.com, HEREBeaufort.com, HEREChapin.com, HERECharleston.com, HEREClinton.com, HEREColumbia.com, HEREGeorgetown.com, HEREGreenwood.com, HEREGreenville.com, HEREHiltonHead.com, HEREIrmo.com, HEREMyrtleBeach.com, HERENewberry.com, HERERockHill.com, and HERESpartanburg.com, we provide comprehensive, credible insights into South Carolina's dynamic landscape.
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