Montgomery weather in September: Montgomery, Alabama: normal highs, lows, rain and records for September
Montgomery in September has a normal high of 89°F and a normal low of 66°F, a daily mean of 78°F, falling from 92°F on the 1st to 86°F by the 30th. Measurable precipitation falls on 7 days in a normal September, 3.69 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 32°C and low of 19°C, 94 mm of precipitation in September.
- NOAA stationMontgomery Airport
- Station IDUSW00013895
- Location32.30°N 86.41°W
- Elevation202 ft (62 m)
- From the center9 miles
- Population195,818
- Jan 60° 37°
- Feb 65° 40°
- Mar 72° 47°
- Apr 79° 53°
- May 86° 61°
- Jun 92° 69°
- Jul 94° 72°
- Aug 94° 71°
- Sep 89° 66°
- Oct 80° 55°
- Nov 70° 43°
- Dec 62° 39°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Montgomery in September?
The normal high is 89°F and the normal low 66°F, for a daily mean of 77.8°F. September is 4.7°F cooler than August and 10.4°F warmer than October. September is the 4th warmest month of the year in Montgomery and the 11th wettest. Across the month the normal high falls 6°F, from 92°F on September 1 to 86°F on September 30. From one year to the next September's mean temperature typically moves about 2.3°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 76°F and 80°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 27%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 92°F | 70°F | 27% | 17% |
| September 8 | 91°F | 69°F | 24% | 15% |
| September 15 | 90°F | 67°F | 23% | 14% |
| September 22 | 88°F | 65°F | 22% | 14% |
| September 30 | 86°F | 62°F | 21% | 13% |
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 | 92°F | 70°F | 27% | 17% | 12 h 50 min |
| September 2 | 92°F | 70°F | 26% | 17% | 12 h 50 min |
| September 3 | 92°F | 69°F | 26% | 16% | 12 h 50 min |
| September 4 | 92°F | 69°F | 26% | 16% | 12 h 50 min |
| September 5 | 92°F | 69°F | 25% | 16% | 12 h 40 min |
| September 6 | 91°F | 69°F | 25% | 16% | 12 h 40 min |
| September 7 | 91°F | 69°F | 25% | 16% | 12 h 40 min |
| September 8 | 91°F | 69°F | 24% | 15% | 12 h 40 min |
| September 9 | 91°F | 68°F | 24% | 15% | 12 h 40 min |
| September 10 | 91°F | 68°F | 24% | 15% | 12 h 30 min |
| September 11 | 91°F | 68°F | 24% | 15% | 12 h 30 min |
| September 12 | 90°F | 68°F | 23% | 15% | 12 h 30 min |
| September 13 | 90°F | 67°F | 23% | 15% | 12 h 30 min |
| September 14 | 90°F | 67°F | 23% | 15% | 12 h 30 min |
| September 15 | 90°F | 67°F | 23% | 14% | 12 h 20 min |
| September 16 | 89°F | 67°F | 23% | 14% | 12 h 20 min |
| September 17 | 89°F | 66°F | 22% | 14% | 12 h 20 min |
| September 18 | 89°F | 66°F | 22% | 14% | 12 h 20 min |
| September 19 | 89°F | 66°F | 22% | 14% | 12 h 20 min |
| September 20 | 88°F | 65°F | 22% | 14% | 12 h 20 min |
| September 21 | 88°F | 65°F | 22% | 14% | 12 h 10 min |
| September 22 | 88°F | 65°F | 22% | 14% | 12 h 10 min |
| September 23 | 88°F | 64°F | 22% | 14% | 12 h 10 min |
| September 24 | 87°F | 64°F | 21% | 14% | 12 h 10 min |
| September 25 | 87°F | 64°F | 21% | 13% | 12 h 10 min |
| September 26 | 87°F | 63°F | 21% | 13% | 12 h |
| September 27 | 87°F | 63°F | 21% | 13% | 12 h |
| September 28 | 86°F | 62°F | 21% | 13% | 12 h |
| September 29 | 86°F | 62°F | 21% | 13% | 12 h |
| September 30 | 86°F | 62°F | 21% | 13% | 12 h |
- Normal high
- 89°FSeptember average
- Normal low
- 66°FSeptember average
- Precipitation
- 3.69 inmonth total
- Days with precipitation
- 70.01 inch or more
- Days at 90°F or more
- 14
- Daylight
- 12 h 50 min to 12 hSeptember 1 to September 30
- Days at 70°F or more
- 30
- Days at 80°F or more
- 27
- Sunshine
- 81%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00013895; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Montgomery in September?
On a given September day the chance of 0.01 inch or more is 23% on average, highest around September 1 (27%). In all, 3.69 in falls on 7 days of a normal September, 1 of them with an inch or more.
In a normal September in Montgomery, 14 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00013895.
How humid and windy is Montgomery in September?
At 3 p.m. the normal temperature is 83°F with 47% relative humidity and a dew point of 60°F; at 6 a.m. it is 63°F with 89% humidity. The wind averages 5.7 mph, most often from the northeast in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 63°F | 60°F | 89% | 4.1 mph | 59% |
| 9 a.m. | 74°F | 62°F | 66% | 7.4 mph | 56% |
| noon | 81°F | 61°F | 50% | 8.0 mph | 48% |
| 3 p.m. | 83°F | 60°F | 47% | 8.2 mph | 49% |
| 6 p.m. | 75°F | 62°F | 64% | 5.3 mph | 62% |
| 9 p.m. | 69°F | 62°F | 78% | 4.5 mph | 70% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00013895. 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 Montgomery?
The warmest September temperature on Montgomery's official record (since 1872) is 106°F, on September 5, 1925; the coldest is 39°F, on September 30, 1967. The wettest September brought 12.00 in (1917).
The September mean against the 1991-2020 normal of 77.8°F: 2021 76.5°F (−1.3), 2022 76.2°F (−1.6), 2023 78.2°F (+0.4), 2024 77.9°F (+0.1), 2025 77.4°F (−0.4), 2026 80.1°F (+2.3). 3 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 76.5°F | −1.3°F | 4.84 in |
| 2022 | 76.2°F | −1.6°F | 1.87 in |
| 2023 | 78.2°F | +0.4°F | 3.28 in |
| 2024 | 77.9°F | +0.1°F | 4.49 in |
| 2025 | 77.4°F | −0.4°F | 0.97 in |
| 2026 | 80.1°F | +2.3°F | 2.82 in |
Source: records: ACIS, NWS threaded record MGMthr; recent months: ACIS, station USW00013895. Records and recent months use complete months only.
How does September in Montgomery compare across Alabama?
Across the 80 places PlainClimate covers in Alabama, September normal highs run from 81°F in Valley Head to 90°F in Eufaula; Montgomery's is 89°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.