Hilo September Weather

Averages and records for weather in Hilo, Hawaii in the month of September.
Typical Hilo September Weather
1991–2020
Average daily high 84.5 °F
Average daily low 69.6 °F
Average monthly precipitation 8.7 inches
Daily chance of precipitation 77.6%
Hilo September Weather Records
1949–2024
Highest temperature 93 °F September 2, 2015
Lowest temperature 61 °F September 30, 1970
Highest daily low 76 °F September 27, 2019
Lowest daily high 75 °F September 23, 2001
Hottest average high temperature 87.9 °F 2014
Coldest average high temperature 80.9 °F 1983
Most daily precipitation 8.7 inches September 19, 1994
Most monthly precipitation 25.0 inches 2015
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
September 1 84.4 69.9 92 65
September 2 84.4 69.9 93 64
September 3 84.4 69.9 90 64
September 4 84.4 69.8 89 64
September 5 84.4 69.8 89 64
September 6 84.4 69.8 91 63
September 7 84.5 69.7 90 64
September 8 84.5 69.7 91 62
September 9 84.5 69.6 92 63
September 10 84.5 69.6 90 62
September 11 84.5 69.6 91 64
September 12 84.5 69.6 90 64
September 13 84.5 69.6 88 65
September 14 84.5 69.6 90 64
September 15 84.5 69.6 90 63
September 16 84.5 69.6 89 63
September 17 84.5 69.6 92 63
September 18 84.5 69.5 89 62
September 19 84.5 69.5 90 64
September 20 84.4 69.5 90 63
September 21 84.4 69.5 92 62
September 22 84.4 69.5 90 65
September 23 84.4 69.5 89 63
September 24 84.4 69.5 89 64
September 25 84.4 69.4 90 64
September 26 84.4 69.4 93 64
September 27 84.3 69.4 92 64
September 28 84.3 69.4 90 64
September 29 84.3 69.3 89 64
September 30 84.3 69.3 88 61
Weather Station Details
Years Station Coordinates
1949–2024 Hilo International Airport location