# Corn Belt Agronomists Share One Word to Sum Up September’s Impact

> Successful Farming agronomists in several top corn states describe September 2026 in one word, with several calling it hot and others wet. As of September 27, 57% of the U.S. corn crop was rated good to excellent, 96% had dented and 18% was harvested. Heat accelerated harvest in Arkansas and Illinois, while heavy rain in northwestern Illinois and Iowa delayed harvest and caused ear mold issues.

- Date: 2026-10-03 · published 2026-10-03T12:00:00.000Z
- Category: weather · region US · magnitude low
- Page: https://feedsoft.ai/events/12954-corn-belt-agronomists-share-one-word-to-sum-up-september-s-impact
- Commodities: [Corn](https://feedsoft.ai/c/CORN.md), [Soybeans](https://feedsoft.ai/c/SOY.md)

## Why it matters

Mixed regional weather in September shows uneven crop stress and quality risks, with no single national shock. The impact on prices is limited, though quality issues could affect basis.

## Similar past events

| Commodity | Date | Event | 5-day % | 20-day % |
| --- | --- | --- | --- | --- |
| CORN | 2025-10-10 | [Corn Belt Agronomists Share One Word to Sum Up September’s Impact on Crop](https://feedsoft.ai/events/13051-corn-belt-agronomists-share-one-word-to-sum-up-september-s-impact-on-crop.md) | +0.3% | +0.5% |
| CORN | 2018-09-28 | [September crop progress from Midwest agronomists \| Farm Progress](https://feedsoft.ai/events/62874-september-crop-progress-from-midwest-agronomists-farm-progress.md) | -0.4% | -1.8% |
| CORN | 2017-10-11 | [September Precip. in Top Corn, Bean States](https://feedsoft.ai/events/68309-september-precip-in-top-corn-bean-states.md) | -0.3% | -4.5% |
| CORN | 2026-02-22 | [El Nino Analogs for U.S. Corn Belt JUN-SEP - Climate Impact Company](https://feedsoft.ai/events/13018-el-nino-analogs-for-u-s-corn-belt-jun-sep-climate-impact-company.md) | +2.1% | +7.7% |
| CORN | 2024-09-18 | [Will a Very Dry End to Growing Season Impact Corn and Soybean Yields? Missy Bauer Explains on Unscripted. - AgWeb](https://feedsoft.ai/events/13155-will-a-very-dry-end-to-growing-season-impact-corn-and-soybean-yields-missy.md) | -1.2% | -3.1% |
| SOY | 2018-09-28 | [September crop progress from Midwest agronomists \| Farm Progress](https://feedsoft.ai/events/62874-september-crop-progress-from-midwest-agronomists-farm-progress.md) | +0.5% | -1.5% |
| SOY | 2017-10-11 | [September Precip. in Top Corn, Bean States](https://feedsoft.ai/events/68309-september-precip-in-top-corn-bean-states.md) | +1.9% | +2.1% |
| SOY | 2026-02-22 | [El Nino Analogs for U.S. Corn Belt JUN-SEP - Climate Impact Company](https://feedsoft.ai/events/13018-el-nino-analogs-for-u-s-corn-belt-jun-sep-climate-impact-company.md) | +1.7% | +2.1% |

## Sources

- agriculture.com: https://www.agriculture.com/agronomists-share-one-word-to-sum-up-september-s-impact-12155125

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Data from Feedsoft AI (https://feedsoft.ai/). For information only; not investment advice.