Alexandria weather in September: Alexandria, Minnesota: normal highs, lows, rain and records for September
Alexandria in September has a normal high of 70°F and a normal low of 50°F, a daily mean of 60°F, falling from 75°F on the 1st to 64°F by the 30th. Measurable precipitation falls on 9 days in a normal September, 2.63 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 21°C and low of 10°C, 67 mm of precipitation in September.
- NOAA stationAlexandria Municipal Airport
- Station IDUSW00014910
- Location45.87°N 95.39°W
- Elevation1,416 ft (432 m)
- From the center1 miles
- Population14,914
- Jan 19° 2°
- Feb 24° 6°
- Mar 37° 19°
- Apr 52° 33°
- May 66° 46°
- Jun 76° 56°
- Jul 80° 61°
- Aug 78° 59°
- Sep 70° 50°
- Oct 55° 37°
- Nov 38° 23°
- Dec 24° 10°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Alexandria in September?
The normal high is 70°F and the normal low 50°F, for a daily mean of 60.0°F. September is 8.5°F cooler than August and 14.3°F warmer than October. September is the 4th warmest month of the year in Alexandria and the 5th wettest. Across the month the normal high falls 11°F, from 75°F on September 1 to 64°F on September 30. From one year to the next September's mean temperature typically moves about 2.8°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 57°F and 63°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 30%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 75°F | 55°F | 30% | 17% |
| September 8 | 73°F | 53°F | 30% | 17% |
| September 15 | 70°F | 51°F | 29% | 17% |
| September 22 | 67°F | 48°F | 30% | 17% |
| September 30 | 64°F | 44°F | 29% | 17% |
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 | 75°F | 55°F | 30% | 17% | 13 h 20 min |
| September 2 | 75°F | 55°F | 30% | 17% | 13 h 20 min |
| September 3 | 75°F | 55°F | 30% | 17% | 13 h 20 min |
| September 4 | 74°F | 54°F | 30% | 17% | 13 h 10 min |
| September 5 | 74°F | 54°F | 30% | 17% | 13 h 10 min |
| September 6 | 74°F | 54°F | 30% | 17% | 13 h 10 min |
| September 7 | 73°F | 53°F | 30% | 17% | 13 h |
| September 8 | 73°F | 53°F | 30% | 17% | 13 h |
| September 9 | 73°F | 53°F | 30% | 17% | 13 h |
| September 10 | 72°F | 52°F | 30% | 17% | 12 h 50 min |
| September 11 | 72°F | 52°F | 30% | 17% | 12 h 50 min |
| September 12 | 72°F | 52°F | 30% | 17% | 12 h 50 min |
| September 13 | 71°F | 51°F | 29% | 17% | 12 h 40 min |
| September 14 | 71°F | 51°F | 29% | 17% | 12 h 40 min |
| September 15 | 70°F | 51°F | 29% | 17% | 12 h 40 min |
| September 16 | 70°F | 50°F | 29% | 17% | 12 h 30 min |
| September 17 | 70°F | 50°F | 29% | 17% | 12 h 30 min |
| September 18 | 69°F | 49°F | 29% | 17% | 12 h 30 min |
| September 19 | 69°F | 49°F | 30% | 17% | 12 h 20 min |
| September 20 | 68°F | 49°F | 30% | 17% | 12 h 20 min |
| September 21 | 68°F | 48°F | 30% | 17% | 12 h 20 min |
| September 22 | 67°F | 48°F | 30% | 17% | 12 h 10 min |
| September 23 | 67°F | 47°F | 29% | 17% | 12 h 10 min |
| September 24 | 67°F | 47°F | 29% | 17% | 12 h 10 min |
| September 25 | 66°F | 46°F | 29% | 17% | 12 h 10 min |
| September 26 | 66°F | 46°F | 29% | 17% | 12 h |
| September 27 | 65°F | 46°F | 29% | 17% | 12 h |
| September 28 | 65°F | 45°F | 29% | 17% | 12 h |
| September 29 | 64°F | 45°F | 29% | 17% | 11 h 50 min |
| September 30 | 64°F | 44°F | 29% | 17% | 11 h 50 min |
- Normal high
- 70°FSeptember average
- Normal low
- 50°FSeptember average
- Precipitation
- 2.63 inmonth total
- Days with precipitation
- 90.01 inch or more
- Daylight
- 13 h 20 min to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 16
- Days at 80°F or more
- 5
- Sunshine
- 76%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00014910; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Alexandria in September?
On a given September day the chance of 0.01 inch or more is 30% on average, highest around September 1 (30%). In all, 2.63 in falls on 9 days of a normal September, 1 of them with an inch or more.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014910.
How humid and windy is Alexandria in September?
At 3 p.m. the normal temperature is 61°F with 49% relative humidity and a dew point of 42°F; at 6 a.m. it is 46°F with 84% humidity. The wind averages 10.4 mph, most often from the west-southwest in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 46°F | 41°F | 84% | 8.9 mph | 68% |
| 9 a.m. | 52°F | 43°F | 71% | 11.6 mph | 68% |
| noon | 59°F | 43°F | 55% | 12.9 mph | 63% |
| 3 p.m. | 61°F | 42°F | 49% | 12.9 mph | 62% |
| 6 p.m. | 57°F | 43°F | 58% | 9.6 mph | 67% |
| 9 p.m. | 52°F | 43°F | 71% | 9.2 mph | 68% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00014910. 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 Alexandria?
The warmest September temperature on this station's record (since 1940) is 98°F, on September 7, 1978; the coldest is 21°F, on September 28, 1942. The wettest September brought 7.30 in (2019); the snowiest, 3.2 inches (1942).
The September mean against the 1991-2020 normal of 60.0°F: 2021 63.7°F (+3.7), 2022 63.1°F (+3.1), 2023 65.5°F (+5.5), 2024 66.9°F (+6.9), 2026 64.4°F (+4.4). 5 of 5 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 63.7°F | +3.7°F | 3.58 in |
| 2022 | 63.1°F | +3.1°F | 1.37 in |
| 2023 | 65.5°F | +5.5°F | 1.70 in |
| 2024 | 66.9°F | +6.9°F | 0.03 in |
| 2026 | 64.4°F | +4.4°F | 3.36 in |
Source: records: ACIS, station USW00014910; recent months: ACIS, station USW00014910. Records and recent months use complete months only.
How does September in Alexandria compare across Minnesota?
Across the 129 places PlainClimate covers in Minnesota, September normal highs run from 62°F in Lutsen to 76°F in Milan; Alexandria's is 70°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.