---
title: "September 2026 1st, 2nd, or 3rd hottest on record?"
canonical_url: https://betcrypto.now/events/september-2026-1st-2nd-or-3rd-hottest-on-record
status: ended
trading_closes_at: 2026-10-01T03:59:00+00:00
total_volume_usd: 5256.54
venues: ["Polymarket"]
categories: ["Tech & Science"]
prices_as_of: 2026-10-09T10:39:52+00:00
publisher: BetCrypto
data_api: https://betcrypto.now/api/v1/events/september-2026-1st-2nd-or-3rd-hottest-on-record
---

# September 2026 1st, 2nd, or 3rd hottest on record?

Ended · $5,257 traded · listed on Polymarket

## About

This market will resolve based on the data for the Global Land-Ocean Temperature Index for September 2026  versus the data points available for all other Septembers on record.

Note: If September 2026 is tied for first, second, or third hottest with another year, it will qualify for the bracket it ties with.

The primary resolution source for this market will be the figures found in the table titled "GLOBAL Land-Ocean Temperature Index in 0.01 degrees Celsius" under the column for the relevant month (https://data.giss.nasa.gov/gistemp/tabledata_v4/GLB.Ts+dSST.txt). If NASA's "Global Temperature Index" is rendered permanently unavailable, other information from NASA may be used.

If no information for September 2026  is provided by NASA by the last day of the following month, 11:59:59 PM ET, a consensus of credible sources will be used to resolve this market.

_From Polymarket's listing._

## Main market

| Outcome | Probability | Cheapest | Polymarket |
|---|---|---|---|
| 1st hottest | — | — | 2.9¢ |
| 2nd hottest | — | — | 100¢ |
| 3rd hottest | — | — | 0.9¢ |
| 4th or lower  | — | — | 1.4¢ |

## Open on a venue

- [Polymarket](https://betcrypto.now/go/e/372254?via=md)

---

Probability is the cross-venue consensus (book midpoints, 0–100%). Venue columns are what buying costs there (the ask). Prices move constantly; re-check at the canonical URL or https://betcrypto.now/api/v1/events/september-2026-1st-2nd-or-3rd-hottest-on-record.

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