Hilo Weather: September
 |
Average Day Temperature: | 81.4°F |
|
Average Night Temperature: | 75.2°F |
|
Sea Water Temperature: | 83.7°F |
|
Number of Sunny Days: | 15 days |
| Sunshine Hours: | 12.0 - 12.5 hours | |
|
Number of Rainy Days: | 3 days |
| Precipitation Totals: | 2.8 in | |
| detailed information | ||
Temperature
| Hilo |
Air Temperature in September, °F
The highest day temperature in September 2024 was 83°F. The lowest night temperature was 69°F. The average values for day and night temperatures during September were 79.0°F и 74.3°F respectivly.
Hilo Water Sea Temperature in September, °F
The average sea surface temperature in September 2024 for Hilo was 83.5°F. The maximum and minimum values were 83.0°F and 84.0°F respectively.
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 2.8 in.
The average wind speed in September is 7.5 mph. This value is relatively stable throughout the year.
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 8.0 hours.
Hilo on the Weather Map
| Boston |  |
+48 |
| Chicago | |
+34 |
| Hawaii |  |
+80 |
| Honolulu | |
+80 |
| Houston |  |
+74 |
| Las Vegas | |
+68 |
| Los Angeles | |
+74 |
| Maui |  |
+74 |
| Miami | |
+80 |
| New York | |
+48 |
| San Diego | |
+70 |
| San Francisco | |
+58 |
| Sarasota | |
+74 |
| Tampa | |
+72 |
| Washington | |
+48 |
| 1200 |  |
74°F | SW 6 mph |
| 1500 | |
76°F | SW 6 mph |
| 1800 | |
74°F | SW 6 mph |
| 2100 | |
74°F | SW 4 mph |
| 0000 | |
72°F | NW 2 mph |
| 0300 |  |
70°F | W 1 mph |
| 0600 | |
70°F | NE 1 mph |
| 0900 |  |
70°F | NW 2 mph |