Vejret i Los Angeles (LA) i september

Los Angeles i september: hedt, tørt — et fremragende tidspunkt at tage afsted.

Opdateret september 2026 · klimanormaler fra ERA5-reanalysen

Los Angeles🇺🇸 United States · Californien · By86
  1. 80jan.
  2. 83feb.
  3. 87mar.
  4. 96apr.
  5. 98maj
  6. 92jun.
  7. 84jul.
  8. 83aug.
  9. 86sep.
  10. 89okt.
  11. 91nov.
  12. 81dec.

Nr. 7 af 12 måneder i Los Angeles · Nr. 449 af 1413 rejsemål at besøge i september · komfort 86/100 (niveau A)

Dage
30°C
Nætter
19°C
Våde dage
1
Sol
11.2 h
Luftfugtighed
56%
Dagslys
12 h
Los Angeles, United States
Foto: Stephen Leonardi · Pexels

Sådan er september i Los Angeles

The hottest days of the year often fall now, driven by Santa Ana winds, which also open the worst of the fire weather.

smokesea warm

sikkerhed: high

Noter fra rejsende om Los Angeles i september

September is Los Angeles's hottest month, and the forum's advice is mostly about where you stand in it: near the ocean it stays mild, while the inland valleys run far hotter and a Santa Ana heat wave can push them past 40°C. Early September often pairs the heat with humidity; regulars say that usually eases later in the month, leaving late September and October sunny and pleasant. Their most practical tip is scheduling — don't do the uphill walk to Universal between 11 and 3.
Tripadvisor community · september · for 7 dage siden · Læs mere på Tripadvisor ↗

Andre måneder i Los Angeles

June gloom is a daily timetable rather than a season. The marine layer forms offshore, sits over the coast at breakfast, burns off through the late morning, and marches back in from the ocean about five - and the beaches are the last to clear, sometimes not at all. A few blocks inland can be five to fifteen degrees warmer on the same afternoon, which is why downtown barely notices it. Our row averages the whole basin at 27.7C reading as 29C with 13.1 hours of sun, and the number that matters at the coast is a 17.5C sea. Rain has stopped, 1.8mm in the month. The record: humidity 59 percent, a dew point of 13.3C, a 13.8 kph wind and AQI 56.
BurnsOffByNoonBackByFive · juni · for 4 dage siden · Læs mere på Tripadvisor ↗
Asked whether mid-April is beach weather here, regulars split the question: the sand yes, the water no. Our sea column is why - 14.7C, which is swimming for the committed and paddling for everyone else, under air of 24.2C. They also warn that the coast and the inland city are different places on the same day, the beach in the low seventies while Hollywood is in the eighties, so the decision about a sweater is made by geography rather than forecast. Rain has effectively stopped, 15.9mm across 1.9 days, with 11.5 hours of sun. Nights fall to 12.9C, which surprises people. The record: humidity 61 percent, a dew point of 8.3C, a 14.9 kph wind and AQI 79.
WarmSandColdWater · april · for 4 dage siden · Læs mere på Tripadvisor ↗
Los Angeles-forum threads on 'May Gray' describe a coastal-only phenomenon: morning low cloud and fog that can keep the beach socked in past midday, while neighborhoods five miles inland sit under blue sky and run 10-20 degrees warmer at the same hour. Regulars call it a legitimate pattern but say it barely changes anyone's plans - people still walk the boardwalk and play volleyball through it, and it typically burns off by early afternoon. May's record backs the two-zone read: 23.8C days, 14.2C nights, almost no precipitation at under two days, 12.1 hours of sun and a 16.7C sea still on the cool side of comfortable.
SantaMonicaMayGrey · maj · for 4 dage siden · Læs mere på Tripadvisor ↗
LA forum threads describe January as genuinely variable, with average highs around 65F but real swings possible from the 50s up toward 80F depending on the week - posters described three days of rain followed by a week of sun as entirely normal rather than unusual. Layering was the universal packing advice given how much the day-to-night and coast-to-inland temperature swing can be. Ocean water was described as too cold for swimming without a wetsuit and beach lounging generally isn't realistic this time of year, even on a warm, sunny day - the coast and the inland valleys can also run noticeably different from each other on the same day.
SoCalCoastRegular · januar · for 6 dage siden · Læs mere på Tripadvisor ↗

Noterne for hele året findes på oversigten over Los Angeles. Tilføj din egen note fra Los Angeles på kortet.

Klimanormaler for Los Angeles — september

Dagtemperatur30°C / 87°F🥵 hedt
Nattemperatur19°C / 65°F
Føles som (dag)31°C / 88°F
Havtemperatur20°C / 69°F🌊 svalt
Nedbør5 mm / 0.2 in☀️ tørt
Regnvejrsdage1 dage
Luftfugtighed56 %🍃 behageligt
Dugpunkt14°C / 58°F
Solskin11.2 t/dag
Dagslys12.4 t
Vind13 km/t / 8 mph
Luftkvalitet (US AQI)59🙂 moderat

Månedsgennemsnit fra ERA5-reanalysen. AQI er det gennemsnitlige amerikanske luftkvalitetsindeks for måneden.

Travlhed i Los Angeles 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.

TravltSummer break i United States(anslået)

JFMAMJJASOND

TætpakketTravltSkuldersæsonStille

Bedste måneder for vejret i Los Angeles

Rangeret efter dette rejsemåls egen klimakomfortscore året igennem — noget andet end, hvor travlt der bliver (se Travlhed ovenfor).

Pænt vejrVejret i Los Angeles svinger ikke meget året igennem — komforten holder sig nogenlunde stabil hver måned.

JFMAMJJASOND

Det sker i Los Angeles i september

Tilbagevendende sæsonbegivenheder, naturfænomener, lukninger og helligdage — kurateret og med kilder.

  • Sæson

    Sea at its warmest

    1. aug. – 30. sep.Havet er varmt nok

    Late summer is the only stretch when the Pacific here is worth getting into without a wetsuit, and it lasts into the first half of October.

  • Risiko

    Santa Ana wind and fire season

    15. sep. – 15. dec. · normaltRøgsæson

    Offshore winds arrive over vegetation that has had no rain since spring, and the fire risk peaks before the first storms. Smoke can close the hills and the coast road for days. Kilde ↗

Det sker rundt om i verden i september →

Lige i nærheden sker der noget

Inden for 300 km fra Los Angeles — en dagstur eller et kort hop — hvor der sker noget denne måned. Aldrig en del af komfortscoren.

Hvor ligger Los Angeles?

Indlæser kort…

Los Angeles i september — ofte stillede spørgsmål

Er september et godt tidspunkt at besøge Los Angeles?
Los Angeles i september: hedt, tørt — et fremragende tidspunkt at tage afsted. Måneden ligger nr. 7 ud af 12 for Los Angeles på SeasonMaps komfortscore (86/100).
Hvordan er vejret i Los Angeles i september?
I september har Los Angeles i gennemsnit en dagtemperatur på 30.4 °C og en nattemperatur på 18.5 °C, med omkring 4.6 mm regn fordelt på cirka 0.5 regnvejrsdage.
Hvordan er luftkvaliteten i Los Angeles i september?
Los Angeles har et gennemsnitligt amerikansk luftkvalitetsindeks på omkring 59 i september.

Inden for 300 km: Laguna Beach's Sawdust Art Festival, omkring 24. jun. – 6. sep. og Santa Barbara's Blue and humpback season, omkring 15. maj – 15. sep..

Vejret i Los Angeles (LA) i september: 30 °C, 1 regnvejrsdage, 11 t sol | SeasonMap