**Wellington's peak September gusts hinge on the frequency and intensity of spring frontal systems and northerly flows channeled through Cook Strait.** Early September 2026 forecasts show gusts mostly in the 15–24 m/s (54–86 km/h) range over the first week, consistent with typical spring strengthening of westerlies in the Roaring Forties. Historical records indicate September peaks frequently reach 90–130+ km/h at exposed sites like Mt Kaukau or the airport, driven by low-pressure passages and topographic acceleration. The near-even market odds (roughly 50% for 102+ km/h versus lower bins) reflect uncertainty over whether one or more vigorous systems will deliver an extreme event this month versus a more moderate pattern. Spring climatology favors stronger winds than winter, but short-term model runs and any rapid intensification of Tasman Sea lows will be the key variables traders monitor for resolution.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-updatePeak wind gust in the world's windiest city in September
102 km/h or above 49%
90 to 101 km/h 48%
89 km/h or below 48%
89 km/h or below
48%
90 to 101 km/h
48%
102 km/h or above
49%
102 km/h or above 49%
90 to 101 km/h 48%
89 km/h or below 48%
89 km/h or below
48%
90 to 101 km/h
48%
102 km/h or above
49%
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.
Binuksan ang Market: 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's peak September gusts hinge on the frequency and intensity of spring frontal systems and northerly flows channeled through Cook Strait.** Early September 2026 forecasts show gusts mostly in the 15–24 m/s (54–86 km/h) range over the first week, consistent with typical spring strengthening of westerlies in the Roaring Forties. Historical records indicate September peaks frequently reach 90–130+ km/h at exposed sites like Mt Kaukau or the airport, driven by low-pressure passages and topographic acceleration. The near-even market odds (roughly 50% for 102+ km/h versus lower bins) reflect uncertainty over whether one or more vigorous systems will deliver an extreme event this month versus a more moderate pattern. Spring climatology favors stronger winds than winter, but short-term model runs and any rapid intensification of Tasman Sea lows will be the key variables traders monitor for resolution.
Eksperimental na AI-generated summary na nire-reference ang Polymarket data. Hindi ito trading advice at wala itong papel sa kung paano nire-resolve ang market na ito. · Na-update

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