Vejret i Madison i september
Madison i september: varmt, regnfuldt, med ren luft — en af de bedste måneder at tage afsted.
Opdateret september 2026 · klimanormaler fra ERA5-reanalysen
Nr. 1 af 12 måneder i Madison · Nr. 272 af 1413 rejsemål at besøge i september · komfort 89/100 (niveau A)
- Dage
- 24°C
- Nætter
- 12°C
- Våde dage
- 9
- Sol
- 9.2 h
- Luftfugtighed
- 73%
- Dagslys
- 13 h

Noter fra rejsende om Madison i september
Noter fra Milwaukee i nærheden (122 km væk)
Madison har ikke sine egne noter for september endnu — disse handler om Milwaukee, tæt nok på til at dele sæsonen.
Milwaukee-forum threads on September weather warn it swings hard: Labor Day week alone can run anywhere from the 60s to the 90s Fahrenheit, sometimes an Indian-summer stretch right as school starts, sometimes a genuinely cool snap. Most days land in the comfortable middle, light jacket optional. The trade worth knowing about: late September brings mild temperatures and the city's film-festival season, a good secondary pick for dodging both the peak summer crowds and their prices, since accommodation gets noticeably cheaper once the summer visitors clear out. The record: 24.1C days, 15.2C nights, 85mm of rain across seven days, 9.4 hours of sun and an AQI of 44 - reliably pleasant on average, genuinely unpredictable day to day.
Andre måneder i Madison
Forum posters describe December in Madison as genuinely unpredictable from year to year - snow can start as early as November and continue through March, or hold off entirely until January in a milder year. Posters are direct that when it isn't snowing, ice can actually be worse to deal with than snow itself. Posters consistently note that Wisconsin handles winter weather well, with light snow and icy stretches managed effectively on the roads, and December here rarely brings the truly major snowstorms that hit later in winter. Posters generally recommend watching the forecast closely before a December trip and planning for winter driving conditions, while noting there's no fundamental reason to avoid visiting Madison this time of year with reasonable preparation.
Forum posters flag June as genuinely unpredictable in Madison - some years cooler than normal, building toward July's more reliably hot and humid, thunderstorm-prone pattern. Early June specifically gets called out as still too cold for comfortable lake swimming for most visitors. The upside regulars keep coming back to: Madison's lovely summers, built around its glacial lakes, are what make the tough winters worth it, and the Saturday Farmers' Market downtown is the most-recommended single thing to do. Bug repellent is standard advice for the season.
Tilføj din egen note fra Madison på kortet.
Klimanormaler for Madison — september
Månedsgennemsnit fra ERA5-reanalysen. AQI er det gennemsnitlige amerikanske luftkvalitetsindeks for måneden.
Travlhed i Madison i september
Hvor travlt der er på selve stedet — skoleferier og masseferier, de måneder en redaktør har markeret, og hvor eftertragtet vejret gør dem. Aldrig en del af komfortscoren.
TætpakketFarmers' market on the Square, Ironman Wisconsin, Summer break i United States(anslået)
TætpakketTravltSkuldersæsonStille
Bedste måneder for vejret i Madison
Rangeret efter dette rejsemåls egen klimakomfortscore året igennem — noget andet end, hvor travlt der bliver (se Travlhed ovenfor).
Bedste vejrDet bedste vejr i Madison kommer i maj, august og september — adskilte vinduer, ikke én sammenhængende sæson.
september rummer Ironman Wisconsin.
Bedste vejrPænt vejrHårdeste vejr
Det sker i Madison i september
Tilbagevendende sæsonbegivenheder, naturfænomener, lukninger og helligdage — kurateret og med kilder.
- Åbning
Farmers' market on the Square
15. apr. – 10. nov. · normaltSommersæsonen åbnerTætpakketSaturday mornings from mid-April to early November, producers only, and everyone walks the Capitol Square anticlockwise because that is the rule. It moves indoors for the winter and is not the same thing. Kilde ↗
- Festival
Ironman Wisconsin
1.–15. sep. · normaltSportsbegivenhedTætpakketLukningerBook tidligtThe swim goes off Monona Terrace at dawn and the bike course shuts roads across the county for most of the day. Downtown hotels sell out a year ahead for a race that has run here since 2002. Kilde ↗
Lige i nærheden sker der noget
Inden for 300 km fra Madison — en dagstur eller et kort hop — hvor der sker noget denne måned. Aldrig en del af komfortscoren.
Hvor ligger Madison?
Madison i september — ofte stillede spørgsmål
- Er september et godt tidspunkt at besøge Madison?
- Madison i september: varmt, regnfuldt, med ren luft — en af de bedste måneder at tage afsted. Måneden ligger nr. 1 ud af 12 for Madison på SeasonMaps komfortscore (89/100).
- Hvordan er vejret i Madison i september?
- I september har Madison i gennemsnit en dagtemperatur på 24.2 °C og en nattemperatur på 11.5 °C, med omkring 113.5 mm regn fordelt på cirka 8.6 regnvejrsdage.
- Hvordan er luftkvaliteten i Madison i september?
- Madison har et gennemsnitligt amerikansk luftkvalitetsindeks på omkring 42 i september.
Inden for 300 km: Milwaukee's Doors Open Milwaukee, 26.–27. sep. og Chicago's Lakefront beach season, omkring 22. maj – 7. sep..