Hawaii Temperatures in September





Typical temperatures for cities, towns, parks and beaches across the Hawaiian Islands during the month of September are listed below in degrees Fahrenheit and Celsius.

You'll find separate tables for each island: Hawaii (Big Island), Kauai, Lanai, Maui, Molokai and Oahu.

The tables give the normal maximum and minimum daily temperatures based on weather data collected from 1981 to 2010 by the US National Climatic Data Center.

Island of Hawaii (Big Island)

Places with weather information on Hawaii's Big Island include Kainaliu, Kailua Kona and Captain Cook in South Kona; Naalehu at the island's south end; and Puukohola Heiau in the Kohala region at the north end. Plus there are records from two stations high on the mountain slopes where temperatures are cooler, the Hawaii Volcanoes Park Visitor Center at 3,970 feet (1,210 metres) and the Mauna Loa Slope Observatory at 11,152 feet (3,399 metres) elevation.

Average September temperatures
High °F Low °F Place High °C Low °C
82 72 Captain Cook 28 22
73 55 Hawaii Volcanoes Park 23 13
83 69 Hilo 29 21
87 75 Kailua Kona 30 24
79 64 Kainaliu 26 18
57 39 Mauna Loa Observatory 14 4
82 68 Naalehu 28 20
79 63 Opihihale 26 17
84 69 Puukohola Heiau 29 21
88 72 Upolu Point 31 22

Kauai

Normal daily temperatures for September
High °F Low °F Place High °C Low °C
84 71 Kilauea 29 21
85 74 Lihue 29 23
87 71 Mahaulepu 30 22
87 72 Makaweli 31 22
85 69 Princeville Ranch 30 21
87 70 Waimea 31 21
83 65 Wainiha 28 18

Lanai

September temperature averages
High °F Low °F Place High °C Low °C
83 67 Lanai Airport 28 19

Maui

Temperature records for Maui include Lahaina and Kapalua in West Maui, Makena on the South Shore, and Hana and Ohe'o Gulch Pools at the island's east end. The Haleakala weather station, at 6,960 feet (2,121 metres) elevation, is higher and cooler than the rest.

Normal temperatures for September
High °F Low °F Place High °C Low °C
65 47 Haleakala National Park 18 9
83 70 Hana 28 21
88 70 Kahului 31 21
86 72 Kapalua 30 22
76 58 Kula 24 15
89 72 Lahaina 31 22
78 69 Makena State Park 26 21
83 72 Ohe'o Gulch Pools 28 22
87 71 Puukolii 30 21

Molokai

Average September temperatures
High °F Low °F Place High °C Low °C
84 71 Halawa 29 21
86 71 Molokai Airport 30 22

Oahu

Average daily temperatures in September
High °F Low °F Place High °C Low °C
89 74 Honolulu 31 24
84 72 Kahuku 29 22
86 74 Kaneohe 30 23
88 73 Waikiki 31 23
85 73 Waimanalo 30 23
88 69 Waimea Falls Park 31 20
Reference

National Climatic Data Center. NOAA's 1981-2010 Climate Normals.

Hawaii Temperatures
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