Fargo weather in September: Fargo, North Dakota: normal highs, lows, rain and records for September
Fargo in September has a normal high of 72°F and a normal low of 48°F, a daily mean of 60°F, falling from 78°F on the 1st to 65°F by the 30th. Measurable precipitation falls on 9 days in a normal September, 2.68 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 22°C and low of 9°C, 68 mm of precipitation in September.
- NOAA stationFargo Hector International Airport
- Station IDUSW00014914
- Location46.93°N 96.81°W
- Elevation900 ft (274 m)
- From the center4 miles
- Population136,285
- Jan 18° 0°
- Feb 23° 4°
- Mar 36° 18°
- Apr 54° 32°
- May 69° 44°
- Jun 78° 56°
- Jul 82° 59°
- Aug 81° 57°
- Sep 72° 48°
- Oct 56° 35°
- Nov 38° 21°
- Dec 24° 8°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Fargo in September?
The normal high is 72°F and the normal low 48°F, for a daily mean of 60.0°F. September is 8.8°F cooler than August and 14.5°F warmer than October. September is the 4th warmest month of the year in Fargo and the 4th wettest. Across the month the normal high falls 13°F, from 78°F on September 1 to 65°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 29%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| September 1 | 78°F | 53°F | 28% | 16% |
| September 8 | 75°F | 51°F | 28% | 16% |
| September 15 | 73°F | 49°F | 29% | 16% |
| September 22 | 69°F | 46°F | 29% | 16% |
| September 30 | 65°F | 42°F | 28% | 15% |
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 | 78°F | 53°F | 28% | 16% | 13 h 20 min |
| September 2 | 77°F | 53°F | 28% | 16% | 13 h 20 min |
| September 3 | 77°F | 53°F | 28% | 16% | 13 h 20 min |
| September 4 | 77°F | 52°F | 28% | 16% | 13 h 10 min |
| September 5 | 76°F | 52°F | 28% | 16% | 13 h 10 min |
| September 6 | 76°F | 52°F | 28% | 16% | 13 h 10 min |
| September 7 | 76°F | 51°F | 28% | 16% | 13 h |
| September 8 | 75°F | 51°F | 28% | 16% | 13 h |
| September 9 | 75°F | 51°F | 28% | 16% | 13 h |
| September 10 | 75°F | 50°F | 28% | 16% | 12 h 50 min |
| September 11 | 74°F | 50°F | 28% | 16% | 12 h 50 min |
| September 12 | 74°F | 50°F | 28% | 16% | 12 h 50 min |
| September 13 | 73°F | 49°F | 28% | 16% | 12 h 50 min |
| September 14 | 73°F | 49°F | 28% | 16% | 12 h 40 min |
| September 15 | 73°F | 49°F | 29% | 16% | 12 h 40 min |
| September 16 | 72°F | 48°F | 29% | 16% | 12 h 40 min |
| September 17 | 72°F | 48°F | 29% | 16% | 12 h 30 min |
| September 18 | 71°F | 47°F | 29% | 16% | 12 h 30 min |
| September 19 | 71°F | 47°F | 29% | 16% | 12 h 30 min |
| September 20 | 70°F | 47°F | 29% | 16% | 12 h 20 min |
| September 21 | 70°F | 46°F | 29% | 16% | 12 h 20 min |
| September 22 | 69°F | 46°F | 29% | 16% | 12 h 20 min |
| September 23 | 69°F | 45°F | 29% | 16% | 12 h 10 min |
| September 24 | 68°F | 45°F | 29% | 15% | 12 h 10 min |
| September 25 | 68°F | 44°F | 29% | 15% | 12 h 10 min |
| September 26 | 67°F | 44°F | 29% | 15% | 12 h |
| September 27 | 67°F | 44°F | 28% | 15% | 12 h |
| September 28 | 66°F | 43°F | 28% | 15% | 12 h |
| September 29 | 66°F | 43°F | 28% | 15% | 11 h 50 min |
| September 30 | 65°F | 42°F | 28% | 15% | 11 h 50 min |
- Normal high
- 72°FSeptember average
- Normal low
- 48°FSeptember average
- Precipitation
- 2.68 inmonth total
- Days with precipitation
- 90.01 inch or more
- Days at 90°F or more
- 1
- Nights at 32°F or colder
- 1
- Daylight
- 13 h 20 min to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 18
- Days at 80°F or more
- 7
- Sunshine
- 77%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00014914; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Fargo in September?
On a given September day the chance of 0.01 inch or more is 28% on average, highest around September 20 (29%). In all, 2.68 in falls on 9 days of a normal September, 1 of them with an inch or more.
In a normal September in Fargo, 1 days reach 90°F and 1 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014914.
How humid and windy is Fargo in September?
At 3 p.m. the normal temperature is 63°F with 44% relative humidity and a dew point of 41°F; at 6 a.m. it is 45°F with 80% humidity. The wind averages 11.0 mph, most often from the west in the afternoon. A dew point under 50°F feels dry.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 45°F | 40°F | 80% | 9.5 mph | 61% |
| 9 a.m. | 52°F | 42°F | 69% | 11.8 mph | 59% |
| noon | 60°F | 42°F | 51% | 13.6 mph | 53% |
| 3 p.m. | 63°F | 41°F | 44% | 14.0 mph | 54% |
| 6 p.m. | 59°F | 41°F | 52% | 10.5 mph | 58% |
| 9 p.m. | 52°F | 41°F | 66% | 9.7 mph | 63% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00014914. 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 Fargo?
The warmest September temperature on Fargo's official record (since 1881) is 102°F, on September 8, 1959; the coldest is 17°F, on September 30, 1883. The wettest September brought 6.50 in (1999); the snowiest, 2.0 inches (1912).
The September mean against the 1991-2020 normal of 60.0°F: 2021 64.4°F (+4.4), 2022 61.0°F (+1.0), 2023 67.0°F (+7.0), 2024 68.2°F (+8.2), 2025 64.5°F (+4.5), 2026 65.0°F (+5.0). 6 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 64.4°F | +4.4°F | 3.14 in |
| 2022 | 61.0°F | +1.0°F | 0.50 in |
| 2023 | 67.0°F | +7.0°F | 2.21 in |
| 2024 | 68.2°F | +8.2°F | 0.08 in |
| 2025 | 64.5°F | +4.5°F | 1.60 in |
| 2026 | 65.0°F | +5.0°F | 3.68 in |
Source: records: ACIS, NWS threaded record FARthr; recent months: ACIS, station USW00014914. Records and recent months use complete months only.
How does September in Fargo compare across North Dakota?
Across the 92 places PlainClimate covers in North Dakota, September normal highs run from 65°F in Rolla to 77°F in Beulah; Fargo's is 72°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.