Molokai Airport weather in September: Molokai Airport, Hawaii: normal highs, lows, rain and records for September
Molokai Airport in September has a normal high of 87°F and a normal low of 73°F, a daily mean of 80°F, holding near 87°F all month. Measurable precipitation falls on 8 days in a normal September, 0.99 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 30°C and low of 23°C, 25 mm of precipitation in September.
- NOAA stationMolokai Airport
- Station IDUSW00022534
- Location21.15°N 157.10°W
- Elevation443 ft (135 m)
- Jan 79° 64°
- Feb 79° 65°
- Mar 79° 66°
- Apr 81° 67°
- May 83° 69°
- Jun 85° 72°
- Jul 86° 73°
- Aug 87° 73°
- Sep 87° 73°
- Oct 86° 71°
- Nov 83° 70°
- Dec 80° 67°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Molokai Airport in September?
The normal high is 87°F and the normal low 73°F, for a daily mean of 79.7°F. September is 0.3°F cooler than August and 1.2°F warmer than October. September is the 2nd warmest month of the year in Molokai Airport and the 9th wettest. From one year to the next September's mean temperature typically moves about 1.1°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 79°F and 81°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 26%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 87°F | 73°F | 25% | 6% |
| September 8 | 87°F | 73°F | 26% | 6% |
| September 15 | 87°F | 73°F | 26% | 6% |
| September 22 | 87°F | 73°F | 25% | 7% |
| September 30 | 87°F | 72°F | 25% | 7% |
Every day of September: normal high, low and chance of precipitation (warmest afternoon September 1, coldest night September 30)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| September 1 | 87°F | 73°F | 25% | 6% | 12 h 30 min |
| September 2 | 87°F | 73°F | 25% | 6% | 12 h 30 min |
| September 3 | 87°F | 73°F | 25% | 6% | 12 h 30 min |
| September 4 | 87°F | 73°F | 26% | 6% | 12 h 30 min |
| September 5 | 87°F | 73°F | 26% | 6% | 12 h 30 min |
| September 6 | 87°F | 73°F | 26% | 6% | 12 h 30 min |
| September 7 | 87°F | 73°F | 26% | 6% | 12 h 30 min |
| September 8 | 87°F | 73°F | 26% | 6% | 12 h 30 min |
| September 9 | 87°F | 73°F | 26% | 6% | 12 h 20 min |
| September 10 | 87°F | 73°F | 26% | 6% | 12 h 20 min |
| September 11 | 87°F | 73°F | 26% | 6% | 12 h 20 min |
| September 12 | 87°F | 73°F | 26% | 6% | 12 h 20 min |
| September 13 | 87°F | 73°F | 26% | 6% | 12 h 20 min |
| September 14 | 87°F | 73°F | 26% | 6% | 12 h 20 min |
| September 15 | 87°F | 73°F | 26% | 6% | 12 h 20 min |
| September 16 | 87°F | 73°F | 26% | 6% | 12 h 20 min |
| September 17 | 87°F | 73°F | 26% | 6% | 12 h 20 min |
| September 18 | 87°F | 73°F | 26% | 6% | 12 h 10 min |
| September 19 | 87°F | 73°F | 26% | 6% | 12 h 10 min |
| September 20 | 87°F | 73°F | 26% | 6% | 12 h 10 min |
| September 21 | 87°F | 73°F | 25% | 7% | 12 h 10 min |
| September 22 | 87°F | 73°F | 25% | 7% | 12 h 10 min |
| September 23 | 87°F | 73°F | 25% | 7% | 12 h 10 min |
| September 24 | 87°F | 73°F | 25% | 7% | 12 h 10 min |
| September 25 | 87°F | 72°F | 25% | 7% | 12 h 10 min |
| September 26 | 87°F | 72°F | 25% | 7% | 12 h |
| September 27 | 87°F | 72°F | 25% | 7% | 12 h |
| September 28 | 87°F | 72°F | 25% | 7% | 12 h |
| September 29 | 87°F | 72°F | 25% | 7% | 12 h |
| September 30 | 87°F | 72°F | 25% | 7% | 12 h |
- Normal high
- 87°FSeptember average
- Normal low
- 73°FSeptember average
- Precipitation
- 0.99 inmonth total
- Days with precipitation
- 80.01 inch or more
- Days at 90°F or more
- 2
- Daylight
- 12 h 30 min to 12 hSeptember 1 to September 30
- Days at 70°F or more
- 30
- Days at 80°F or more
- 30
- Sunshine
- 88%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00022534; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Molokai Airport in September?
On a given September day the chance of 0.01 inch or more is 26% on average, highest around September 11 (26%). In all, 0.99 in falls on 8 days of a normal September.
In a normal September in Molokai Airport, 2 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00022534.
How humid and windy is Molokai Airport in September?
At 3 p.m. the normal temperature is 83°F with 61% relative humidity and a dew point of 68°F; at 6 a.m. it is 73°F with 81% humidity. The wind averages 10.1 mph, most often from the northeast in the afternoon. A dew point of 65°F or more feels muggy to most people.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 73°F | 67°F | 81% | 7.4 mph | 74% |
| 9 a.m. | 81°F | 67°F | 64% | 10.9 mph | 63% |
| noon | 84°F | 68°F | 59% | 14.0 mph | 44% |
| 3 p.m. | 83°F | 68°F | 61% | 14.0 mph | 47% |
| 6 p.m. | 78°F | 68°F | 72% | 11.5 mph | – |
| 9 p.m. | 76°F | 68°F | 77% | 8.6 mph | – |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00022534. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for September in Molokai Airport?
The warmest September temperature on this station's record (since 1949) is 94°F, on September 16, 2019; the coldest is 59°F, on September 9, 1955. The wettest September brought 3.86 in (1993).
The September mean against the 1991-2020 normal of 79.7°F: 2021 78.2°F (−1.5), 2022 79.5°F (−0.3), 2023 79.6°F (−0.1), 2024 80.0°F (+0.3), 2025 79.7°F (at normal), 2026 79.5°F (−0.2). 1 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 78.2°F | −1.5°F | 0.09 in |
| 2022 | 79.5°F | −0.3°F | 1.11 in |
| 2023 | 79.6°F | −0.1°F | 0.15 in |
| 2024 | 80.0°F | +0.3°F | 0.00 in |
| 2025 | 79.7°F | at normal | 0.07 in |
| 2026 | 79.5°F | −0.2°F | 0.41 in |
Source: records: ACIS, station USW00022534; recent months: ACIS, station USW00022534. Records and recent months use complete months only.
How does September in Molokai Airport compare across Hawaii?
Across the 18 places PlainClimate covers in Hawaii, September normal highs run from 75°F in Kula to 90°F in Kahului; Molokai Airport's is 87°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Molokai Airport in August87°F by day, 73°F at night
- Molokai Airport in October86°F by day, 71°F at night
- Molokai Airport through the yearEvery month, frost dates, records and recent years
- Hawaii in SeptemberThe statewide normal and the warmest and coolest places
- Kahului: Hawaii's warmest Septembernormal high 90°F