Irmo, SC, September 24, 2025
News Summary
On September 23, 2025, residents of Irmo, SC enjoyed a warm and sunny day with a high of 85°F (29°C) and low of 66°F (19°C). With an average temperature of 75°F (24°C) and low pollution levels, it was ideal for outdoor activities. The day also featured a high UV index and a noticeable heat index, prompting safety precautions for sun exposure. Overall, it was a day filled with beautiful weather and good air quality, making it perfect for enjoying the outdoors.
Warm and Sunny Day in Irmo, SC: September 23, 2025
Irmo, South Carolina, basked in delightfully warm and sunny weather on September 23, 2025. This gorgeous day brought ample sunshine and an inviting atmosphere. With a high temperature reaching up to 85°F (29°C) and a low of 66°F (19°C), it was a perfect day for outdoor activities.
Weather Details to Note
The average temperature for the day settled around 75°F (24°C). The humidity was noticeably high at 79%, which might make it feel a bit warmer than the actual temperature. A light southeast breeze at 8 mph added a refreshing touch to the warm air. Thankfully, residents were treated to no significant rainfall, which meant the sunshine could thrive unimpeded!
Sun lovers had about 9 hours and 47 minutes of lovely sunshine to enjoy. However, it’s worth mentioning that the UV Index was classified as high, reaching a maximum of 6. This indicates a significant risk of harm from unprotected sun exposure, so locals and visitors alike were encouraged to take precautions like wearing sunscreen, hats, and sunglasses.
Heat Index and Safety Precautions
The heat index climbed to a steamy 93.2°F (34°C), suggesting there was a significant risk of heat-related illnesses for those out in the sun for prolonged periods. It’s advisable for everyone to stay hydrated and find shade whenever possible during such warm September days.
Daylight Hours and Air Quality
For those who appreciate the longer days of early fall, sunrise was at 6:58 AM, and sunset came just before 8 PM at 7:50 PM, providing a total of 12 hours and 22 minutes of daylight. Air quality in Irmo was reported as good, with an Air Quality Index of 43. This indicates minimal health risks, making it a great day for outdoor fun!
Just to highlight, the Pollution Index signaled low pollution levels at 13,023,700, further adding to the day’s perfect weather conditions.
Historical Context of Weather in September
It’s interesting to note that the average September high temperature sits at 85°F (29°C), while the low typically reaches 66°F (19°C). The day’s temperature aligned perfectly with these averages, reflecting what you can normally expect during this time of year.
Historically, on September 23, Barnwell County recorded a high of 99°F (37°C)—yikes! Meanwhile, Oconee County had a cooler end of the spectrum with a low of 57°F (14°C). In terms of precipitation, the average for September is about 3.15 inches (80 mm), but Irmo breezed through the day without any wet surprises.
In Conclusion
Overall, September 23, 2025, in Irmo, SC, was a picture-perfect day filled with warmth, sunshine, and good air quality, albeit with a few cautions about hydration and sun safety.
FAQ
What was the high temperature in Irmo, SC on September 23, 2025?
The high temperature reached 85°F (29°C).
What was the low temperature on that day?
The low temperature recorded was 66°F (19°C).
What was the UV Index like on September 23, 2025?
The UV Index was high, with a maximum of 6.
Was there any significant rainfall on that day?
No significant rainfall was recorded.
Chart of Key Features
| Feature | Details |
|---|---|
| High Temperature | 85°F (29°C) |
| Low Temperature | 66°F (19°C) |
| Average Temperature | 75°F (24°C) |
| Humidity | 79% |
| Wind | Southeast at 8 mph |
| UV Index | 6 (High) |
| Heat Index | 93.2°F (34°C) |
| Air Quality Index | 43 (Good) |
| Pollution Index | 13,023,700 (Low) |
Author: STAFF HERE IRMO
The IRMO STAFF WRITER represents the experienced team at HEREIrmo.com, your go-to source for actionable local news and information in Irmo, Lexington and Richland Counties, 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 Irmo Okra Strut Festival, Harbison Community Events, and local sports tournaments at the Palmetto Health Credit Union Foundation Stadium. Our coverage extends to key organizations like the Irmo Chapin Recreation Commission and the Lexington Chamber and Visitors Center, plus leading businesses in retail and healthcare that power the local economy such as Village at Sandhill and Lexington Medical Center. 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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