Norfolk weather in September: Norfolk, Nebraska: normal highs, lows, rain and records for September
Norfolk in September has a normal high of 77°F and a normal low of 51°F, a daily mean of 64°F, falling from 82°F on the 1st to 72°F by the 30th. Measurable precipitation falls on 8 days in a normal September, 2.37 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 25°C and low of 11°C, 60 mm of precipitation in September.
- NOAA stationNorfolk Karl Stefan Memorial Airport
- Station IDUSW00014941
- Location41.99°N 97.44°W
- Elevation1,551 ft (473 m)
- From the center3 miles
- Population26,162
- Jan 33° 12°
- Feb 37° 16°
- Mar 50° 26°
- Apr 61° 37°
- May 72° 48°
- Jun 82° 59°
- Jul 86° 63°
- Aug 84° 61°
- Sep 77° 51°
- Oct 64° 38°
- Nov 48° 25°
- Dec 36° 16°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Norfolk in September?
The normal high is 77°F and the normal low 51°F, for a daily mean of 64.4°F. September is 8.0°F cooler than August and 13.6°F warmer than October. September is the 4th warmest month of the year in Norfolk and the 6th wettest. Across the month the normal high falls 10°F, from 82°F on September 1 to 72°F on September 30. From one year to the next September's mean temperature typically moves about 3.2°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 61°F and 68°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 | 82°F | 57°F | 27% | 16% |
| September 8 | 80°F | 54°F | 27% | 16% |
| September 15 | 78°F | 52°F | 27% | 16% |
| September 22 | 75°F | 49°F | 27% | 16% |
| September 30 | 72°F | 45°F | 26% | 16% |
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 | 82°F | 57°F | 27% | 16% | 13 h 10 min |
| September 2 | 81°F | 57°F | 27% | 16% | 13 h 10 min |
| September 3 | 81°F | 56°F | 27% | 16% | 13 h 10 min |
| September 4 | 81°F | 56°F | 27% | 16% | 13 h |
| September 5 | 81°F | 56°F | 27% | 16% | 13 h |
| September 6 | 81°F | 55°F | 27% | 16% | 13 h |
| September 7 | 80°F | 55°F | 27% | 16% | 13 h |
| September 8 | 80°F | 54°F | 27% | 16% | 12 h 50 min |
| September 9 | 80°F | 54°F | 27% | 16% | 12 h 50 min |
| September 10 | 80°F | 54°F | 27% | 16% | 12 h 50 min |
| September 11 | 79°F | 53°F | 27% | 16% | 12 h 40 min |
| September 12 | 79°F | 53°F | 27% | 16% | 12 h 40 min |
| September 13 | 79°F | 53°F | 27% | 16% | 12 h 40 min |
| September 14 | 78°F | 52°F | 27% | 16% | 12 h 40 min |
| September 15 | 78°F | 52°F | 27% | 16% | 12 h 30 min |
| September 16 | 78°F | 51°F | 27% | 16% | 12 h 30 min |
| September 17 | 77°F | 51°F | 27% | 16% | 12 h 30 min |
| September 18 | 77°F | 50°F | 27% | 16% | 12 h 20 min |
| September 19 | 77°F | 50°F | 27% | 16% | 12 h 20 min |
| September 20 | 76°F | 50°F | 27% | 16% | 12 h 20 min |
| September 21 | 76°F | 49°F | 27% | 16% | 12 h 20 min |
| September 22 | 75°F | 49°F | 27% | 16% | 12 h 10 min |
| September 23 | 75°F | 48°F | 26% | 16% | 12 h 10 min |
| September 24 | 75°F | 48°F | 26% | 16% | 12 h 10 min |
| September 25 | 74°F | 47°F | 26% | 16% | 12 h 10 min |
| September 26 | 74°F | 47°F | 26% | 16% | 12 h |
| September 27 | 73°F | 47°F | 26% | 16% | 12 h |
| September 28 | 73°F | 46°F | 26% | 16% | 12 h |
| September 29 | 72°F | 46°F | 26% | 16% | 11 h 50 min |
| September 30 | 72°F | 45°F | 26% | 16% | 11 h 50 min |
- Normal high
- 77°FSeptember average
- Normal low
- 51°FSeptember average
- Precipitation
- 2.37 inmonth total
- Days with precipitation
- 80.01 inch or more
- Days at 90°F or more
- 3
- Nights at 32°F or colder
- 1
- Daylight
- 13 h 10 min to 11 h 50 minSeptember 1 to September 30
- Days at 70°F or more
- 24
- Days at 80°F or more
- 14
- Sunshine
- 81%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00014941; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Norfolk in September?
On a given September day the chance of 0.01 inch or more is 27% on average, highest around September 1 (27%). In all, 2.37 in falls on 8 days of a normal September, 1 of them with an inch or more.
In a normal September in Norfolk, 3 days reach 90°F and 1 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00014941.
How humid and windy is Norfolk in September?
At 3 p.m. the normal temperature is 70°F with 40% relative humidity and a dew point of 45°F; at 6 a.m. it is 49°F with 82% humidity. The wind averages 10.0 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. | 49°F | 44°F | 82% | 7.7 mph | 65% |
| 9 a.m. | 57°F | 46°F | 67% | 11.0 mph | 71% |
| noon | 67°F | 46°F | 46% | 13.4 mph | 65% |
| 3 p.m. | 70°F | 45°F | 40% | 13.7 mph | 72% |
| 6 p.m. | 65°F | 45°F | 49% | 9.4 mph | 67% |
| 9 p.m. | 57°F | 45°F | 66% | 8.6 mph | 77% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00014941. 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 Norfolk?
The warmest September temperature on Norfolk's official record (since 1893) is 106°F, on September 18, 1895; the coldest is 20°F, on September 29, 1899. The wettest September brought 8.52 in (1901); the snowiest, 1.1 inches (1985).
The September mean against the 1991-2020 normal of 64.4°F: 2021 68.5°F (+4.1), 2022 69.2°F (+4.8), 2023 69.4°F (+5.0), 2024 69.7°F (+5.3), 2025 66.6°F (+2.2), 2026 69.5°F (+5.1). 6 of 6 ran warmer than normal.
| September | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 68.5°F | +4.1°F | 1.78 in |
| 2022 | 69.2°F | +4.8°F | 1.49 in |
| 2023 | 69.4°F | +5.0°F | 2.20 in |
| 2024 | 69.7°F | +5.3°F | 0.03 in |
| 2025 | 66.6°F | +2.2°F | 1.81 in |
| 2026 | 69.5°F | +5.1°F | 3.56 in |
Source: records: ACIS, NWS threaded record OFKthr; recent months: ACIS, station USW00014941. Records and recent months use complete months only.
How does September in Norfolk compare across Nebraska?
Across the 137 places PlainClimate covers in Nebraska, September normal highs run from 74°F in Harrison to 83°F in Beaver City; Norfolk's is 77°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.