Measurements:
°C
°F
Hilo
66°F
SW 7 mph
Feels like: 66°F
Precip: 100%
World Resorts USA Hilo Weather September Weather in Hilo

Hilo Weather: September

Average Day Temperature: 81.6°F
Average Night Temperature: 75.3°F
Sea Water Temperature: 83.7°F
Number of Sunny Days: 16 days
Sunshine Hours: 12.0 - 12.5 hours
Number of Rainy Days: 3 days
Precipitation Totals: 3.0 in

Air Temperature in September, °F

Select Year: 2023 2022 2021

The highest day temperature in September 2023 was 82°F. The lowest night temperature was 70°F. The average values for day and night temperatures during September were 76.6°F и 73.6°F respectivly.

Hilo Water Sea Temperature in September, °F

Select Year: 2023 2022 2021

The average sea surface temperature in September 2023 for Hilo was 83.2°F. The maximum and minimum values were 82.6°F and 84.0°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in September are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in September, in

Precipitation total in September for Hilo is 3.0 in.

Wind Speed in September, mph

The average wind speed in September is 7.7 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Hilo in September is 8.2 hours.

Best Time to Visit Hilo
The most sunny months:
January 19 days
October 17 days
September 16 days
The most warm months:
August 81.8 °F
September 81.6 °F
July 81.2 °F
Warmest sea temperature:
September 83.7 °F
October 83.3 °F
August 83.1 °F
The most cold months:
March 75.9 °F
February 76.0 °F
April 76.5 °F
The most rainy months:
March 6 days
December 5 days
November 5 days
The most windy months:
August 8 mph
March 8 mph
April 8 mph

Hilo on the Weather Map

USA Resorts:
NAME
Boston +58
Chicago +52
Hawaii +74
Honolulu +74
Houston +78
Las Vegas +80
Los Angeles +60
Miami +80
New York +58
Orlando +78
San Diego +62
San Francisco +56
Sarasota +76
Tampa +78
Washington +66
24 Hours Weather Forecast
Hilo
Local time: 06:56
23 apr, tuesday
0900 66°F
SW
7 mph
1200 66°F
SW
9 mph
1500 64°F
SW
9 mph
1800 62°F
SW
8 mph
2100 60°F
SW
7 mph
24 apr, wednesday
0000 62°F
SW
6 mph
0300 60°F
SW
6 mph
0600 60°F
SE
5 mph