Historical weather forecast in Waianae in September 2021
Weather rating: 4/4 - Very favorable
Access the daily history of weather forecasts in Waianae in September 2021, with the monthly averages and day-by-day details.
Weather summary for the month of September 2021 in Waianae
Find the main data from the archived weather forecasts in Waianae for September 2021.
What was the weather like that month?
The archived weather forecasts in Waianae in September 2021 predicted a month forecast to be rather warm, with average highs of 29.7°C, lows of 23.9°C and an average temperature of 26.9°C. The month was expected to be dry, with about 2.1 mm of accumulated rain. The most frequently reported type of weather at midday was Partly Cloudy, accounting for about 90.0% of the days. 24 days were forecast to have highs of at least 30°C. On average, forecasts predicted about 23.9°C around 6 AM, 29.0°C around noon and 26.6°C around 6 PM. The hottest day reported reached 31.0°C on 7 of the month. The highest forecasted daily rainfall accumulation reached 0.6 mm on 10 of the month.
Max temp
29.7°C
Min temp
23.9°C
Avg. Temp
26.9°C
Rain
2.1 mm
Dominant weather conditions in September 2021
Compare the most frequently forecast weather conditions in Waianae, Hawaii over the month of September 2021 for the 6:00, 12:00 and 18:00 slots.
From 1er to 30 September 2021
6h
Main weather condition
Partly Cloudy
23 days (76.7%)
23.8°C
Other common conditions
Cloudy
24.0°C
4 days (13.3%)
Patchy rain nearby
24.0°C
3 days (10%)
12h
Main weather condition
Partly Cloudy
27 days (90%)
29.1°C
Other common conditions
Patchy rain nearby
27.5°C
2 days (6.7%)
Clear/Sunny
30.0°C
1 days (3.3%)
18h
Main weather condition
Partly Cloudy
27 days (90%)
26.6°C
Other common conditions
Clear/Sunny
27.0°C
2 days (6.7%)
Patchy rain nearby
27.0°C
1 days (3.3%)
From 1er to 10 September 2021
6h
Main weather condition
Partly Cloudy
8 days (80%)
23.6°C
Other common conditions
Cloudy
24.0°C
2 days (20%)
12h
Main weather condition
Partly Cloudy
9 days (90%)
28.8°C
Other common conditions
Clear/Sunny
30.0°C
1 days (10%)
18h
Main weather condition
Partly Cloudy
8 days (80%)
26.9°C
Other common conditions
Clear/Sunny
27.0°C
1 days (10%)
Patchy rain nearby
27.0°C
1 days (10%)
From 11 to 20 September 2021
6h
Main weather condition
Partly Cloudy
8 days (80%)
23.9°C
Other common conditions
Cloudy
24.0°C
2 days (20%)
12h
Main weather condition
Partly Cloudy
9 days (90%)
29.3°C
Other common conditions
Patchy rain nearby
27.0°C
1 days (10%)
18h
Main weather condition
Partly Cloudy
9 days (90%)
26.6°C
Other common conditions
Clear/Sunny
27.0°C
1 days (10%)
From 21 to 30 September 2021
6h
Main weather condition
Partly Cloudy
7 days (70%)
24.0°C
Other common conditions
Patchy rain nearby
24.0°C
3 days (30%)
12h
Main weather condition
Partly Cloudy
9 days (90%)
29.2°C
Other common conditions
Patchy rain nearby
28.0°C
1 days (10%)
18h
Main weather condition
Partly Cloudy
10 days (100%)
26.4°C
Weather calendar in Waianae in September 2021
Find the daily details of archived weather forecasts in Waianae for September 2021, including temperatures, rain, wind and humidity.
| DayDay | WeatherWeather | Max tempMax temp | Min tempMin temp | PrecipitationPrecipitation | RatingWeather rating: | WindWind | HumidityHumidity | HistoryHistory | DetailsDetails |
|---|---|---|---|---|---|---|---|---|---|
| 01 Sep. |
Partly Cloudy |
30.0°C | 23.0°C | 0.0 mm | 4/4 | 14.0 km/h | 78% | ||
| 02 Sep. |
Partly Cloudy |
30.0°C | 24.0°C | 0.0 mm | 3/4 | 27.0 km/h | 77% | ||
| 03 Sep. |
Partly Cloudy |
28.0°C | 24.0°C | 0.1 mm | 3/4 | 35.0 km/h | 74% | ||
| 04 Sep. |
Partly Cloudy |
30.0°C | 24.0°C | 0.0 mm | 4/4 | 27.0 km/h | 72% | ||
| 05 Sep. |
Partly Cloudy |
28.0°C | 23.0°C | 0.0 mm | 4/4 | 20.0 km/h | 74% | ||
| 06 Sep. |
Partly Cloudy |
30.0°C | 23.0°C | 0.0 mm | 4/4 | 10.0 km/h | 79% | ||
| 07 Sep. |
Partly Cloudy |
31.0°C | 24.0°C | 0.0 mm | 4/4 | 20.0 km/h | 74% | ||
| 08 Sep. |
Partly Cloudy |
30.0°C | 24.0°C | 0.0 mm | 4/4 | 22.0 km/h | 76% | ||
| 09 Sep. |
Clear/Sunny |
31.0°C | 24.0°C | 0.0 mm | 4/4 | 14.0 km/h | 74% | ||
| 10 Sep. |
Partly Cloudy |
28.0°C | 24.0°C | 0.6 mm | 4/4 | 22.0 km/h | 75% | ||
| 11 Sep. |
Partly Cloudy |
31.0°C | 23.0°C | 0.0 mm | 4/4 | 16.0 km/h | 75% | ||
| 12 Sep. |
Patchy rain nearby |
30.0°C | 24.0°C | 0.1 mm | 3/4 | 25.0 km/h | 77% | ||
| 13 Sep. |
Partly Cloudy |
31.0°C | 24.0°C | 0.0 mm | 4/4 | 22.0 km/h | 76% | ||
| 14 Sep. |
Partly Cloudy |
30.0°C | 24.0°C | 0.0 mm | 4/4 | 24.0 km/h | 74% | ||
| 15 Sep. |
Partly Cloudy |
28.0°C | 24.0°C | 0.4 mm | 4/4 | 15.0 km/h | 72% | ||
| 16 Sep. |
Partly Cloudy |
30.0°C | 24.0°C | 0.0 mm | 3/4 | 29.0 km/h | 80% | ||
| 17 Sep. |
Partly Cloudy |
30.0°C | 24.0°C | 0.0 mm | 3/4 | 32.0 km/h | 77% | ||
| 18 Sep. |
Partly Cloudy |
30.0°C | 24.0°C | 0.0 mm | 4/4 | 30.0 km/h | 74% | ||
| 19 Sep. |
Partly Cloudy |
30.0°C | 24.0°C | 0.1 mm | 3/4 | 27.0 km/h | 78% | ||
| 20 Sep. |
Partly Cloudy |
28.0°C | 24.0°C | 0.1 mm | 3/4 | 28.0 km/h | 77% | ||
| 21 Sep. |
Partly Cloudy |
30.0°C | 24.0°C | 0.0 mm | 3/4 | 31.0 km/h | 74% | ||
| 22 Sep. |
Partly Cloudy |
30.0°C | 24.0°C | 0.0 mm | 4/4 | 31.0 km/h | 72% | ||
| 23 Sep. |
Partly Cloudy |
30.0°C | 24.0°C | 0.1 mm | 3/4 | 31.0 km/h | 78% | ||
| 24 Sep. |
Partly Cloudy |
30.0°C | 24.0°C | 0.1 mm | 3/4 | 28.0 km/h | 79% | ||
| 25 Sep. |
Partly Cloudy |
30.0°C | 24.0°C | 0.2 mm | 3/4 | 24.0 km/h | 77% | ||
| 26 Sep. |
Patchy rain nearby |
28.0°C | 25.0°C | 0.1 mm | 2/4 | 35.0 km/h | 82% | ||
| 27 Sep. |
Partly Cloudy |
30.0°C | 24.0°C | 0.0 mm | 3/4 | 28.0 km/h | 78% | ||
| 28 Sep. |
Partly Cloudy |
30.0°C | 23.0°C | 0.0 mm | 4/4 | 29.0 km/h | 71% | ||
| 29 Sep. |
Partly Cloudy |
30.0°C | 24.0°C | 0.2 mm | 4/4 | 18.0 km/h | 79% | ||
| 30 Sep. |
Partly Cloudy |
30.0°C | 24.0°C | 0.0 mm | 4/4 | 27.0 km/h | 75% |
Compare the weather for September 2021 in Waianae with other months in the archives
Compare the main data from archived weather forecasts in Waianae for September 2021 with one previous month and one following month among all available archives, to more easily spot differences in temperature, rain, wind and brightness.
| Data type | August 2021 | September 2021 | October 2021 | ||
|---|---|---|---|---|---|
| Average temperature | 25.9°C | 26.9°C | 26.1°C | ||
| Maximum temperature | 27.5°C | 29.7°C | 28.5°C | ||
| Minimum temperature | 24.0°C | 23.9°C | 23.4°C | ||
| Highest maximum temperature | 30.0°C | 31.0°C | 30.0°C | ||
| Highest minimum temperature | 25.0°C | 25.0°C | 25.0°C | ||
| Lowest minimum temperature | 23.0°C | 23.0°C | 22.0°C | ||
| Wind speed | 22 km/h | 25 km/h | 25 km/h | ||
| Wind temperature | 24.0°C | 23.9°C | 23.4°C | ||
| Average precipitation per day | 0.7 mm | 0.1 mm | 0.0 mm | ||
| Record rainfall in one day | 10.0 mm | 0.6 mm | 0.6 mm | ||
| Total precipitation over the month | 21.2 mm | 2.1 mm | 1.5 mm | ||
| Number of days with precipitation | 4 | 0 | 0 | ||
| Humidity | 75% | 76% | 77% | ||
| Visibility | 10.0 km | 10.0 km | 10.0 km | ||
| Cloud cover | 36% | 30% | 34% | ||
| Heat index | 29 | 33 | 31 | ||
| Dew point | 20.5°C | 22.0°C | 21.7°C | ||
| Pressure | 1,018 hPa | 1,018 hPa | 1,018 hPa | ||
| Sunrise time | 06:11:15 | 06:19:46 | 06:29:06 | ||
| Sunset time | 19:01:27 | 18:34:32 | 18:07:21 | ||
| Day length | 12:50 | 12:14 | 11:38 |
Average temperature
September 2021
26.9°C
August 2021
25.9°C
October 2021
26.1°C
Maximum temperature
September 2021
29.7°C
August 2021
27.5°C
October 2021
28.5°C
Minimum temperature
September 2021
23.9°C
August 2021
24.0°C
October 2021
23.4°C
Highest maximum temperature
September 2021
31.0°C
August 2021
30.0°C
October 2021
30.0°C
Highest minimum temperature
September 2021
25.0°C
August 2021
25.0°C
October 2021
25.0°C
Lowest minimum temperature
September 2021
23.0°C
August 2021
23.0°C
October 2021
22.0°C
Wind speed
September 2021
25 km/h
August 2021
22 km/h
October 2021
25 km/h
Wind temperature
September 2021
23.9°C
August 2021
24.0°C
October 2021
23.4°C
Average precipitation per day
September 2021
0.1 mm
August 2021
0.7 mm
October 2021
0.0 mm
Record rainfall in one day
September 2021
0.6 mm
August 2021
10.0 mm
October 2021
0.6 mm
Total precipitation over the month
September 2021
2.1 mm
August 2021
21.2 mm
October 2021
1.5 mm
Number of days with precipitation
September 2021
0
August 2021
4
October 2021
0
Humidity
September 2021
76%
August 2021
75%
October 2021
77%
Visibility
September 2021
10.0 km
August 2021
10.0 km
October 2021
10.0 km
Cloud cover
September 2021
30%
August 2021
36%
October 2021
34%
Heat index
September 2021
33
August 2021
29
October 2021
31
Dew point
September 2021
22.0°C
August 2021
20.5°C
October 2021
21.7°C
Pressure
September 2021
1,018 hPa
August 2021
1,018 hPa
October 2021
1,018 hPa
Sunrise time
September 2021
06:19:46
August 2021
06:11:15
October 2021
06:29:06
Sunset time
September 2021
18:34:32
August 2021
19:01:27
October 2021
18:07:21
Day length
September 2021
12:14
August 2021
12:50
October 2021
11:38
Nearby of Waianae
Find on the map and in the list the towns closest to of Waianae to view the archived weather forecast history for the same period.