
Plan Your Cruise With Free Weather Forecasts
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Loading Travel Forecast…Join Viking Cruises's Viking Venus for a 92-night voyage on the Grand Pacific Explorer route, setting out from Vancouver, Canada on September 4, 2026. It's a classic Alaska cruise. Travelers sailing in September can generally expect cool days, crisp nights, and long hours of daylight typical of the Alaska cruise season — with rain never far off. Ports of call include Vancouver, Canada, Ketchikan, Alaska, Sitka, Alaska, with 45 more along the way. The forecasts below break the weather down port by port.
Vancouver, Canada is a scheduled port of call on day 1 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 74°F.
Ketchikan, Alaska is a scheduled port of call on day 2 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 58°F.
Sitka, Alaska is a scheduled port of call on day 3 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 60°F.
Glacier Bay, Alaska is a scheduled port of call on day 4 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 56°F.
Hubbard Glacier, Alaska is a scheduled port of call on day 5 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 46°F.
Valdez, Alaska is a scheduled port of call on day 6 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 62°F.
Seward, Alaska is a scheduled port of call on day 7 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 58°F.
Homer, Alaska is a scheduled port of call on day 8 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 57°F.
Kodiak, Alaska is a scheduled port of call on day 9 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 56°F.
Otaru, Japan is a scheduled port of call on day 10 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 68°F.
Tokyo, Japan is a scheduled port of call on day 11 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 75°F.
Shimizu, Japan is a scheduled port of call on day 12 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 75°F.
Kobe/Osaka, Japan is a scheduled port of call on day 13 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 77°F.
Hiroshima, Japan is a scheduled port of call on day 14 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 79°F.
Beppu, Japan is a scheduled port of call on day 15 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 81°F.
Kagoshima, Japan is a scheduled port of call on day 16 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 81°F.
Nagasaki, Japan is a scheduled port of call on day 17 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 79°F.
Keelung, Taiwan is a scheduled port of call on day 18 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 77°F.
Hong Kong, China is a scheduled port of call on day 19 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 80°F.
Halong Bay, Vietnam is a scheduled port of call on day 20 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 82°F.
Da Nang, Vietnam is a scheduled port of call on day 21 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 81°F.
Ho Chi Minh City, Vietnam is a scheduled port of call on day 22 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 87°F.
Sihanoukville, Cambodia is a scheduled port of call on day 23 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 87°F.
Laem Chabang, Thailand is a scheduled port of call on day 24 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 89°F.
Ko Samui, Thailand is a scheduled port of call on day 25 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 79°F.
Klang, Malaysia is a scheduled port of call on day 26 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: overcast with highs near 86°F.
Singapore is a scheduled port of call on day 27 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 82°F.
Semarang, Indonesia is a scheduled port of call on day 28 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 91°F.
Surabaya, Indonesia is a scheduled port of call on day 29 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 88°F.
Bali, Indonesia is a scheduled port of call on day 30 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 79°F.
Lombok, Indonesia is a scheduled port of call on day 31 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 84°F.
Komodo Island, Indonesia is a scheduled port of call on day 32 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 83°F.
Darwin, Australia is a scheduled port of call on day 33 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 95°F.
Thursday Island, Australia is a scheduled port of call on day 34 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 82°F.
Cairns, Australia is a scheduled port of call on day 35 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 83°F.
Townsville, Australia is a scheduled port of call on day 36 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 87°F.
Hamilton Island, Australia is a scheduled port of call on day 37 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 78°F.
Mooloolaba, Australia is a scheduled port of call on day 38 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 76°F.
Newcastle, Australia is a scheduled port of call on day 39 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 71°F.
Sydney, Australia is a scheduled port of call on day 40 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 70°F.
Melbourne, Australia is a scheduled port of call on day 41 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 74°F.
Hobart, Tasmania is a scheduled port of call on day 42 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 61°F.
Dunedin, New Zealand is a scheduled port of call on day 43 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 55°F.
Christchurch, New Zealand is a scheduled port of call on day 44 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 64°F.
Wellington, New Zealand is a scheduled port of call on day 45 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 60°F.
Napier, New Zealand is a scheduled port of call on day 46 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 64°F.
Tauranga, New Zealand is a scheduled port of call on day 47 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 72°F.
Auckland, New Zealand is a scheduled port of call on day 48 of the 92-night Grand Pacific Explorer cruise on Viking Venus. Expected weather: partially cloudy with highs near 70°F.
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