Väder i Olympic National Park i september

Olympic National Park i september: svalt, regnigt, med ren luft — en mycket bra tid att besöka.

Uppdaterad september 2026 · klimatnormaler från ERA5-reanalysen

Olympic National Park🇺🇸 United States · Nordvästra Stillahavskusten · Nationalpark78
  1. 39jan
  2. 47feb
  3. 54mar
  4. 66apr
  5. 80maj
  6. 85jun
  7. 94jul
  8. 96aug
  9. 78sep
  10. 58okt
  11. 44nov
  12. 35dec

Plats 5 av 12 månader i Olympic National Park · plats 773 av 1413 resmål att besöka i september · komfort 78/100 (nivå B)

Dagar
14°C
Nätter
6°C
Regndagar
11
Sol
9.6 h
Luftfuktighet
75%
Dagsljus
13 h
Olympic National Park, United States
Foto: Ambient Vista · Pexels

Resenärernas anteckningar om Olympic National Park i september

Olympic-forum threads on September weather are consistent this is genuinely one of the park's strongest months, noticeably drier than the notoriously wet stretch running much of the rest of the year, especially once after-Labor-Day crowds thin out. Posters call days here often sunnier than August, clear enough after dark for genuinely good stargazing given how little light pollution reaches this corner of the peninsula. Regulars describe elk as more visible this time of year, sightings along Hoh Rain Forest trails a real highlight. Posters call Lake Crescent and Lake Angeles both at their warmest for swimming by September. Regulars are direct this reputation comes with a real caveat, a run of grey, damp days entirely possible even during an otherwise favorable September. Posters recommend a hat and sun protection regardless of the changeable reputation. The record: 13.6C days feeling like 12C, 5.6C nights, an extraordinarily high 148mm across nearly 11 days and 75 percent humidity.
OlympicSeptemberRegular · september · för 5 dagar sedan · Läs mer på Tripadvisor ↗

Andra månader i Olympic National Park

Olympic-forum threads on a January visit describe Hurricane Ridge and the Sol Duc resort as genuinely closed, posters naming this a real limitation for anyone hoping to visit either spot. Regulars call the park's variety genuinely on display even in winter, several posters naming snow in the mountains, rain in the lowlands and wind along the coast within the same trip. Posters call January genuinely a better choice than November or December, several regulars naming lengthening days and more sun breaks past the eighteenth as reasons late January edges out earlier winter. Regulars call the rain shadow area a real bet for better odds of sun, several threads naming this a genuine strategy for chasing clearer weather. Posters recommend real waterproof layers regardless of which part of the park you visit, several regulars calling this standard given how much conditions vary. The record: 2.9C days, -2.6C nights, an extraordinarily high 527mm across nearly 20 days and 89 percent humidity.
OlympicJanuaryRegular · januari · för 4 dagar sedan · Läs mer på Tripadvisor ↗
Olympic National Park-forum threads on a March visit call this genuinely one of the roughest windows of the year, posters describing the month as more an extension of winter than a real spring visit most years. Regulars call the Hoh and Quinault rainforests along with La Push and Kalaloch beaches the strongest March picks, these lower-elevation areas free of snow and road closures barring a severe storm. Posters call gaining elevation a real problem this month, snow appearing fast once a route climbs beyond the river valleys. Regulars recommend staying close to planned destinations rather than basing far away, March daylight here still limited enough that long drives eat into usable time. Posters call multi-day windstorms a genuine March hazard, conditions capable of disrupting plans for several days running. The record: 3.6C days feeling like 1C, -3.6C nights, an extraordinarily high 311.4mm across nearly 19 days and 82 percent humidity.
OlympicMarchRegular · mars · för 5 dagar sedan · Läs mer på Tripadvisor ↗
Olympic-forum threads on a November visit describe this as genuinely one of the wettest stretches of the year, posters calling frequent rain and short days the standard rather than the exception. Regulars call wind, not snow, the real concern here, dangerous storms capable of closing the Hoh Rainforest ahead of a forecast system. Posters describe fog and overcast skies as common companions to the rain, though real breaks do occur and a light shower with a good raincoat can still be enjoyable. Regulars call conditions impossible to predict this far out, some November days turning out great and others a real washout. Posters recommend real waterproof gear and boots regardless of forecast, temperatures generally in the low fifties Fahrenheit. Regulars call the rainforest genuinely atmospheric this time of year, mist and dripping canopy part of the appeal. The record: 4.5C days feeling like 1C, -1.2C nights, an extraordinarily high 550.4mm across over 21 days and 88 percent humidity.
OlympicNPNovemberRegular · november · för 5 dagar sedan · Läs mer på Tripadvisor ↗
Olympic-forum threads on October describe a real split within the month - the first two to three weeks generally deliver plenty of sun and clear nights with genuine autumn color in the heaths and shrubs, while the heavier systems typically arrive by mid-month, especially on the park's west side covering the Hoh Rainforest and areas near Lake Quinault. Posters describe the wetter stretch as more steady drizzle than dramatic downpours, and note the rainforest canopy is thick enough that a light shower often goes unnoticed underneath it. A heavier, windier spell is called genuinely uncomfortable for hiking even in good gear, though posters call the rainforest atmospheric and worth it even under a gentle shower. Regulars recommend early-to-mid October for the best odds of favorable conditions. The record: 8.9C days feeling like 6C, 2.1C nights, an extraordinarily high 391mm across nearly 17 days and 83 percent humidity.
HohRainforestOctoberRegular · oktober · för 5 dagar sedan · Läs mer på Tripadvisor ↗

Lägg till din egen anteckning från Olympic National Parks kort på kartan.

Klimatnormaler för Olympic National Park — september

Dagshögsta14°C / 56°F🙂 svalt
Nattlägsta6°C / 42°F
Känns som (högsta)12°C / 54°F
Nederbörd148 mm / 5.8 tum🌧 regnigt
Regndagar11 dagar
Luftfuktighet75 %💦 mycket fuktigt
Daggpunkt5°C / 41°F
Solsken9.6 h/dygn
Dagsljus12.5 h
Vind9 km/h / 5 mph
Luftkvalitet (US AQI)31🍃 bra

Månadsmedelvärden från ERA5-reanalysen. AQI är månadens medelvärde för det amerikanska luftkvalitetsindexet.

Trängsel i Olympic National Park i september

Hur mycket folk det är på själva platsen — skollov och storhelger, månaderna en redaktör har märkt upp, och hur eftertraktade vädret gör dem. Aldrig en del av komfortpoängen.

Mest folkThe dry window, Labor Day weekend, Summer break i United States(uppskattat)

JFMAMJJASOND

Mest folkMycket folkMellansäsongLugnt

Bästa månaderna för vädret i Olympic National Park

Rankat efter resmålets egen klimatkomfortpoäng över året — något helt annat än hur trångt det blir (se Trängsel ovan).

Hyfsat väderVädret i Olympic National Park toppar juni–augusti.

JFMAMJJASOND

Bäst väderHyfsat väderTuffast väder

På gång i Olympic National Park i september

Återkommande säsongsevenemang, naturskådespel, stängningar och helger — utvalda och källhänvisade.

  • Öppning

    High country opens

    1 jul – 10 okt · vanligtvisLedsäsong

    Obstruction Point Road, Deer Park and the high traverses only clear in July, weeks after the rainforest has greened up. Before then the ridge is a snowshoe, not a walk. Källa ↗

  • Säsong

    The dry window

    5 jul – 15 sepTorrsäsongTrångt

    The wettest corner of the lower 48 takes about ten weeks off in high summer. It is the only stretch when the coast, the rainforest and the ridge all work on one trip, and everyone knows it.

  • Helg

    Labor Day weekend

    5–7 sepNationell helgdagTrångtBoka tidigt

    Labor Day, the first Monday of September, is the last big getaway of summer: the long weekend books out campsites and lodging and fills parking early, and families thin out quickly once it has passed. Källa ↗

  • Natur

    Coho Salmon Run

    1 sep – 31 okt · vanligtvisDjurlivssäsong

    Coho salmon push up the Sol Duc River each fall and leap the falls at Salmon Cascades; a short, wheelchair-accessible viewing platform off Highway 101 makes it one of the park's easiest wildlife sightings. Källa ↗

  • Natur

    Roosevelt elk rut

    5 sep – 20 okt · vanligtvisDjurlivssäsong

    Bulls bugle through the Hoh and Queets valleys from early September, and the sound carries a long way under that canopy. Keep well back; they are the largest elk in North America and unbothered by people.

Vad som är på gång i världen i september →

I närheten, och något är på gång

Inom 300 km från Olympic National Park — en dagstur eller ett kort hopp — med något på gång den här månaden. Aldrig en del av komfortpoängen.

Var ligger Olympic National Park?

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Olympic National Park i september — vanliga frågor

Är september en bra tid att besöka Olympic National Park?
Olympic National Park i september: svalt, regnigt, med ren luft — en mycket bra tid att besöka. Månaden ligger på plats 5 av 12 för Olympic National Park enligt SeasonMaps komfortpoäng (78/100).
Hur är vädret i Olympic National Park i september?
I september har Olympic National Park i snitt 13.6 °C som dagshögsta och 5.6 °C som nattlägsta, med ungefär 147.6 mm regn fördelat på cirka 10.5 regndagar.
Hur är luftkvaliteten i Olympic National Park i september?
Olympic National Park har ett genomsnittligt amerikanskt luftkvalitetsindex (AQI) på ungefär 31 i september.

Inom 300 km: Victoria, BCs Whale watching season, runt 1 maj – 15 okt och Seattles Salmon at the Ballard Locks, runt 15 jun – 20 sep.

Väder i Olympic National Park i september: 14 °C, 11 regndagar, 10 h sol | SeasonMap