Wellington, New Zealand, experiences peak September gusts shaped by its position in the Roaring Forties and the funneling effect of Cook Strait, where terrain amplifies westerly and southerly flows. Historical records show the airport’s daily maximum gusts frequently average near 65 km/h annually, with spring months often producing values in the 90–100 km/h range on multiple days, though extremes above 130 km/h remain less common outside major events. Current 2026 September observations through mid-month have featured mostly moderate gusts around 50–70 km/h amid variable pressure systems, aligning with the market’s strong weighting toward the 90–101 km/h outcome. A lingering El Niño influence noted in recent months favors enhanced westerlies, yet no major low-pressure systems have yet delivered the sustained gales needed for 102 km/h+ peaks. Forecasters will watch upcoming model runs and MetService warnings for any late-month intensification.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · AggiornatoRaffica di vento di picco nella città più ventosa del mondo a settembre
90 to 101 km/h 72%
102 km/h or above 18%
89 km/h or below 3.3%
89 km/h or below
3%
90 to 101 km/h
72%
102 km/h or above
18%
90 to 101 km/h 72%
102 km/h or above 18%
89 km/h or below 3.3%
89 km/h or below
3%
90 to 101 km/h
72%
102 km/h or above
18%
The resolution source for this market is the gust value in the wind group of NZWN's raw METAR/SPECI observations, encoded in knots (for example, "34020G45KT" denotes a 45-knot gust), as archived by the Iowa Environmental Mesonet (IEM) for station NZWN in network NF__ASOS ("New Zealand ASOS"). Gust speed is converted from knots using 1 kt = 1.852 km/h, rounded half-up to the nearest whole number. Because gusts are reported in whole knots, no observed gust converts to a value on a bracket boundary, so every observation maps to exactly one range.
The month's highest gust can be located via the IEM Data Calendar for NZWN: https://mesonet.agron.iastate.edu/sites/hist.phtml?network=NF__ASOS&year=2026&month=9&mode=monthly&station=NZWN. Each calendar day displays that day's peak gust inline; clicking a day's date opens the daily Summary for NF__ASOS, where the Peak Gust column in the NZWN (Wellington) row shows the day's maximum. Ensure station NZWN is selected, as the NF__ASOS network includes other New Zealand stations. Note that the IEM calendar and summary pages display gusts in mph; resolution is based on the knot value in the underlying raw METAR, which IEM archives alongside each parsed observation and which can be used to independently verify any value.
If any observations are missing or unavailable, this market will resolve to the range containing the highest gust reported during the resolution window. Should the IEM archive be unavailable or discontinued, this market will resolve based on the equivalent raw METAR/SPECI observations for NZWN from another credible archive or the original reporting authority.
Mercato aperto: Aug 31, 2026, 9:46 AM ET
The resolution source for this market is the gust value in the wind group of NZWN's raw METAR/SPECI observations, encoded in knots (for example, "34020G45KT" denotes a 45-knot gust), as archived by the Iowa Environmental Mesonet (IEM) for station NZWN in network NF__ASOS ("New Zealand ASOS"). Gust speed is converted from knots using 1 kt = 1.852 km/h, rounded half-up to the nearest whole number. Because gusts are reported in whole knots, no observed gust converts to a value on a bracket boundary, so every observation maps to exactly one range.
The month's highest gust can be located via the IEM Data Calendar for NZWN: https://mesonet.agron.iastate.edu/sites/hist.phtml?network=NF__ASOS&year=2026&month=9&mode=monthly&station=NZWN. Each calendar day displays that day's peak gust inline; clicking a day's date opens the daily Summary for NF__ASOS, where the Peak Gust column in the NZWN (Wellington) row shows the day's maximum. Ensure station NZWN is selected, as the NF__ASOS network includes other New Zealand stations. Note that the IEM calendar and summary pages display gusts in mph; resolution is based on the knot value in the underlying raw METAR, which IEM archives alongside each parsed observation and which can be used to independently verify any value.
If any observations are missing or unavailable, this market will resolve to the range containing the highest gust reported during the resolution window. Should the IEM archive be unavailable or discontinued, this market will resolve based on the equivalent raw METAR/SPECI observations for NZWN from another credible archive or the original reporting authority.
Wellington, New Zealand, experiences peak September gusts shaped by its position in the Roaring Forties and the funneling effect of Cook Strait, where terrain amplifies westerly and southerly flows. Historical records show the airport’s daily maximum gusts frequently average near 65 km/h annually, with spring months often producing values in the 90–100 km/h range on multiple days, though extremes above 130 km/h remain less common outside major events. Current 2026 September observations through mid-month have featured mostly moderate gusts around 50–70 km/h amid variable pressure systems, aligning with the market’s strong weighting toward the 90–101 km/h outcome. A lingering El Niño influence noted in recent months favors enhanced westerlies, yet no major low-pressure systems have yet delivered the sustained gales needed for 102 km/h+ peaks. Forecasters will watch upcoming model runs and MetService warnings for any late-month intensification.
Riepilogo sperimentale generato dall'AI con riferimento ai dati di Polymarket. Questo non è un consiglio di trading e non ha alcun ruolo nella risoluzione di questo mercato. · Aggiornato

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