# Event Details

- **Event Name**: Borderline | September Sunset Series - Alton Amphitheater
- **Event Start and End Date**: Fri, 25 Sep, 2026 at 06:00 pm (-05:00)
- **Event Description**: September Fridays. Live music. Riverfront sunsets. Free admission.

This September, come down to the riverfront for a new pop-up concert series presented by the Alton Amphitheater Commission and made possible by our 2026 sponsors, Republic Services, Coleman’s Country Campers, The Grandpa Gang, Big Z Media, Liberty Bank, and OSF Healthcare, along with partners at Alton Parks and Recreation.

The series takes place on Friday, September 4, September 11, and September 25 from 6-9 p.m., with different regional musicians featured each week. Guests are encouraged to bring lawn chairs or blankets, spread out on the amphitheater lawn, enjoy food from local vendors, your favorite drinks from the amphitheater beverage station, and take in stunning autumn sunsets over the Mississippi River.

September 25 | Borderline 6:00pm-9:00pm

Food Trucks
September 25: Pig on a Wing & Jewel Ice Cream

Beverages
Beer, Carbliss, and other alcoholic beverages will be available for purchase on-site.

What to Bring

Outside food and non-alcoholic beverages are welcome at the September Sunset Series. Please note that outside food and beverages are prohibited at all other Alton Amphitheater events. The September Sunset Series is an opportunity for us to try something different for the Alton community and our visitors. For the safety and enjoyment of all guests, law enforcement personnel will be present on-site throughout each event.
Cash or card for food, beverages, and items from local business Coco + Oak.
Leashed dogs: Please bring your own water bowl and cleanup bags/items.
A lawn chair or blanket to make yourself comfortable.
Your own yard games, balls, frisbees, and more:  Feel free to bring them and enjoy the lawn while being respectful of other guests sharing the public space.
Your favorite people!
Please note there will be no September Sunset Series event on Friday, September 18, as Alton Main Street, the Sierra Club, and Jacoby Arts Center prepare to host the Mississippi Earthtones Festival on Saturday, September 19, at the amphitheater.

Event Information

September Sunset Series
Fridays, September 4, 11 & 25, 2026
6:00-9:00 p.m.
Alton Amphitheater
Riverfront Drive, Alton, Illinois

Come amp it up with us and discover your new favorite place to unplug. Whether you’re discovering a new artist, enjoying dinner with family, or simply soaking in the view, the September Sunset Series offers a chance to experience the riverfront at one of the most beautiful times of the year. See you there!

For more information: https://altonriverfrontamphitheater.com/event/september-sunset-series-september-4/
- **Event URL**: https://allevents.in/alton/borderline-september-sunset-series-alton-amphitheater/200030607298857
- **Event Categories**: Music, Entertainment, Art, Concerts, Festivals, food-drinks
- **Interested Audience**: 
  - total_interested_count: 50

## Ticket Details


## Event venue details

- **city**: Alton
- **state**: IL
- **country**: United States
- **location**: Alton Amphitheater
- **lat**: 38.887712837048
- **long**: -90.181961237223
- **full address**: Alton Amphitheater, 1 Riverfront Dr,Alton, Illinois, United States

## Event gallery

- **Alt text**: Borderline | September Sunset Series - Alton Amphitheater
  - **Image URL**: https://cdn-az.allevents.in/events9/banners/ed53dfc683c36ea778963d52e7e09bfa722d2e74f9e8e30566e02b0e24f7a7f3-rimg-w1200-h629-dc387898-gmir?v=1788280590

## FAQs

- **Q**: When and where is Borderline | September Sunset Series - Alton Amphitheater being held?
  - **A:** Borderline | September Sunset Series - Alton Amphitheater takes place on Fri, 25 Sep, 2026 at 06:00 pm to Fri, 25 Sep, 2026 at 06:00 pm at Alton Amphitheater, 1 Riverfront Dr,Alton, Illinois, United States.
- **Q**: Who is organizing Borderline | September Sunset Series - Alton Amphitheater?
  - **A:** Borderline | September Sunset Series - Alton Amphitheater is organized by Borderline.
- **Q**: Who is this event for? Is it right for me?
  - **A:** Borderline | September Sunset Series - Alton Amphitheater is ideal for music lovers, fans of all genres, and anyone who wants to celebrate the power of music - from intimate gigs and live sessions to festivals and cultural performances. Whether you're a first-time attendee or a longtime enthusiast in Alton, this event is thoughtfully curated to deliver a standout experience worth every moment. If Borderline | September Sunset Series - Alton Amphitheater sounds like your kind of event, don't wait - spots fill up fast.

## Structured Data (JSON-LD)

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        "name": "Borderline | September Sunset Series - Alton Amphitheater",
        "image": "https://cdn-az.allevents.in/events9/banners/ed53dfc683c36ea778963d52e7e09bfa722d2e74f9e8e30566e02b0e24f7a7f3-rimg-w1200-h629-dc387898-gmir?v=1788280590",
        "startDate": "2026-09-25T18:00:00-05:00",
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        "eventAttendanceMode": "https://schema.org/OfflineEventAttendanceMode",
        "description": "September Fridays. Live music. Riverfront sunsets. Free admission.\n\nThis September, come down to the riverfront for a new pop-up concert series presented by the Alton Amphitheater Commission and made possible by our 2026 sponsors, Republic Services, Coleman’s Country Campers, The Grandpa Gang, Big Z",
        "organizer": [
            {
                "@type": "Organization",
                "name": "Borderline",
                "url": "https://allevents.in/org/borderline/2647310",
                "description": "To book Borderline for your club, festival, or event, please call (314) 282-7303 or send an e-mail to theborderlineband@hotmail.com.  Thanks! Borderline"
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```