Historical weather forecast in Lanai in September 2025

Weather rating: 4/4 - Very favorable
Access the daily history of weather forecasts in Lanai in September 2025, with the monthly averages and day-by-day details.
Long-term weather

Summary

Weather summary for the month of September 2025 in Lanai

Find the main data from the archived weather forecasts in Lanai for September 2025.

What was the weather like that month?

The archived weather forecasts in Lanai in September 2025 predicted a month forecast to be rather warm, with average highs of 27.1°C, lows of 25.2°C and an average temperature of 26.2°C. The month was expected to be dry, with about 2.3 mm of accumulated rain. The most frequently reported type of weather at midday was Clear/Sunny, accounting for about 60.0% of the days. On average, forecasts predicted about 26.0°C around 6 AM, 27.0°C around noon and 24.9°C around 6 PM. The hottest day reported reached 29.0°C on 18 of the month. The highest forecasted daily rainfall accumulation reached 0.9 mm on 10 of the month.

Max temp
27.1°C
Min temp
25.2°C
Avg. Temp
26.2°C
Rain
2.3 mm

Dominant weather conditions in September 2025

Compare the most frequently forecast weather conditions in Lanai, Hawaii over the month of September 2025 for the 6:00, 12:00 and 18:00 slots.

From 1er to 30 September 2025
From 1er to 10 September 2025
From 11 to 20 September 2025
From 21 to 30 September 2025

Weather calendar in Lanai in September 2025

Find the daily details of archived weather forecasts in Lanai for September 2025, including temperatures, rain, wind and humidity.

DayDay WeatherWeather Max tempMax temp Min tempMin temp PrecipitationPrecipitation RatingWeather rating: WindWind HumidityHumidity HistoryHistory DetailsDetails
01 Sep.
Clear/Sunny
28.0°C 25.0°C 0.0 mm 4/4 9.0 km/h 76%
02 Sep.
Clear/Sunny
27.0°C 24.0°C 0.0 mm 4/4 10.0 km/h 68%
03 Sep.
Clear/Sunny
27.0°C 25.0°C 0.0 mm 4/4 5.0 km/h 67%
04 Sep.
Patchy rain nearby
27.0°C 25.0°C 0.0 mm 4/4 10.0 km/h 70%
05 Sep.
Clear/Sunny
28.0°C 26.0°C 0.0 mm 4/4 7.0 km/h 70%
06 Sep.
Clear/Sunny
27.0°C 25.0°C 0.1 mm 4/4 9.0 km/h 70%
07 Sep.
Clear/Sunny
27.0°C 25.0°C 0.2 mm 4/4 10.0 km/h 70%
08 Sep.
Clear/Sunny
28.0°C 25.0°C 0.2 mm 4/4 6.0 km/h 74%
09 Sep.
Patchy light drizzle
27.0°C 25.0°C 0.4 mm 3/4 8.0 km/h 76%
10 Sep.
Patchy rain nearby
25.0°C 24.0°C 0.9 mm 3/4 21.0 km/h 78%
11 Sep.
Clear/Sunny
27.0°C 26.0°C 0.0 mm 4/4 10.0 km/h 71%
12 Sep.
Patchy rain nearby
28.0°C 26.0°C 0.0 mm 3/4 10.0 km/h 77%
13 Sep.
Clear/Sunny
28.0°C 26.0°C 0.0 mm 4/4 6.0 km/h 73%
14 Sep.
Partly Cloudy
28.0°C 26.0°C 0.0 mm 4/4 6.0 km/h 72%
15 Sep.
Clear/Sunny
28.0°C 26.0°C 0.0 mm 4/4 9.0 km/h 73%
16 Sep.
Clear/Sunny
26.0°C 25.0°C 0.0 mm 4/4 10.0 km/h 75%
17 Sep.
Patchy rain nearby
28.0°C 26.0°C 0.0 mm 3/4 7.0 km/h 72%
18 Sep.
Clear/Sunny
29.0°C 26.0°C 0.0 mm 4/4 10.0 km/h 71%
19 Sep.
Clear/Sunny
28.0°C 25.0°C 0.0 mm 4/4 9.0 km/h 75%
20 Sep.
Patchy rain nearby
27.0°C 25.0°C 0.2 mm 3/4 12.0 km/h 77%
21 Sep.
Patchy rain nearby
27.0°C 26.0°C 0.0 mm 3/4 8.0 km/h 78%
22 Sep.
Patchy rain nearby
27.0°C 25.0°C 0.1 mm 3/4 6.0 km/h 75%
23 Sep.
Clear/Sunny
27.0°C 25.0°C 0.0 mm 4/4 12.0 km/h 74%
24 Sep.
Clear/Sunny
25.0°C 24.0°C 0.0 mm 4/4 8.0 km/h 75%
25 Sep.
Patchy rain nearby
26.0°C 24.0°C 0.1 mm 3/4 18.0 km/h 75%
26 Sep.
Patchy rain nearby
27.0°C 25.0°C 0.0 mm 3/4 12.0 km/h 73%
27 Sep.
Patchy rain nearby
27.0°C 25.0°C 0.1 mm 3/4 5.0 km/h 77%
28 Sep.
Clear/Sunny
28.0°C 26.0°C 0.0 mm 4/4 8.0 km/h 73%
29 Sep.
Clear/Sunny
26.0°C 24.0°C 0.0 mm 4/4 11.0 km/h 69%
30 Sep.
Clear/Sunny
26.0°C 25.0°C 0.0 mm 4/4 8.0 km/h 70%

Compare the weather for September 2025 in Lanai with other months in the archives

Compare the main data from archived weather forecasts in Lanai for September 2025 with one previous month and one following month among all available archives, to more easily spot differences in temperature, rain, wind and brightness.

Analyzed month
September 2025
Data type August 2025 September 2025 October 2025
Average temperature 26.3°C 26.2°C 26.3°C
Maximum temperature 27.2°C 27.1°C 27.4°C
Minimum temperature 25.4°C 25.2°C 25.0°C
Highest maximum temperature 29.0°C 29.0°C 28.0°C
Highest minimum temperature 27.0°C 26.0°C 26.0°C
Lowest minimum temperature 24.0°C 24.0°C 24.0°C
Wind speed 8 km/h 9 km/h 10 km/h
Wind temperature 25.5°C 25.2°C 25.0°C
Average precipitation per day 0.1 mm 0.1 mm 0.1 mm
Record rainfall in one day 0.5 mm 0.9 mm 0.6 mm
Total precipitation over the month 1.6 mm 2.3 mm 2.7 mm
Number of days with precipitation 0 0 0
Humidity 72% 73% 74%
Visibility 9.9 km 10.0 km 10.0 km
Cloud cover 33% 40% 44%
Heat index 29 29 30
Dew point 20.9°C 21.2°C 21.5°C
Pressure 1,018 hPa 1,017 hPa 1,017 hPa
Sunrise time 06:06:58 06:14:54 06:23:39
Sunset time 18:55:41 18:29:18 18:02:48
Day length 12:48 12:14 11:39

Average temperature

September 2025
26.2°C
August 2025
26.3°C
October 2025
26.3°C

Maximum temperature

September 2025
27.1°C
August 2025
27.2°C
October 2025
27.4°C

Minimum temperature

September 2025
25.2°C
August 2025
25.4°C
October 2025
25.0°C

Highest maximum temperature

September 2025
29.0°C
August 2025
29.0°C
October 2025
28.0°C

Highest minimum temperature

September 2025
26.0°C
August 2025
27.0°C
October 2025
26.0°C

Lowest minimum temperature

September 2025
24.0°C
August 2025
24.0°C
October 2025
24.0°C

Wind speed

September 2025
9 km/h
August 2025
8 km/h
October 2025
10 km/h

Wind temperature

September 2025
25.2°C
August 2025
25.5°C
October 2025
25.0°C

Average precipitation per day

September 2025
0.1 mm
August 2025
0.1 mm
October 2025
0.1 mm

Record rainfall in one day

September 2025
0.9 mm
August 2025
0.5 mm
October 2025
0.6 mm

Total precipitation over the month

September 2025
2.3 mm
August 2025
1.6 mm
October 2025
2.7 mm

Number of days with precipitation

September 2025
0
August 2025
0
October 2025
0

Humidity

September 2025
73%
August 2025
72%
October 2025
74%

Visibility

September 2025
10.0 km
August 2025
9.9 km
October 2025
10.0 km

Cloud cover

September 2025
40%
August 2025
33%
October 2025
44%

Heat index

September 2025
29
August 2025
29
October 2025
30

Dew point

September 2025
21.2°C
August 2025
20.9°C
October 2025
21.5°C

Pressure

September 2025
1,017 hPa
August 2025
1,018 hPa
October 2025
1,017 hPa

Sunrise time

September 2025
06:14:54
August 2025
06:06:58
October 2025
06:23:39

Sunset time

September 2025
18:29:18
August 2025
18:55:41
October 2025
18:02:48

Day length

September 2025
12:14
August 2025
12:48
October 2025
11:39

Nearby of Lanai

Find on the map and in the list the towns closest to of Lanai to view the archived weather forecast history for the same period.

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