Scottsbluff weather in September: Scottsbluff, Nebraska: normal highs, lows, rain and records for September

Scottsbluff in September has a normal high of 80°F and a normal low of 47°F, a daily mean of 64°F, falling from 86°F on the 1st to 73°F by the 30th. Measurable precipitation falls on 7 days in a normal September, 1.22 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 27°C and low of 8°C, 31 mm of precipitation and 1 cm of snow in September.

  • NOAA stationScottsbluff W B Heilig Field Airport
  • Station IDUSW00024028
  • Location41.87°N 103.59°W
  • Elevation3,945 ft (1,202 m)
  • Population14,323
  1. Jan 42° 15°
  2. Feb 45° 17°
  3. Mar 55° 25°
  4. Apr 62° 33°
  5. May 72° 44°
  6. Jun 84° 54°
  7. Jul 91° 60°
  8. Aug 89° 57°
  9. Sep 80° 47°
  10. Oct 65° 34°
  11. Nov 52° 23°
  12. Dec 42° 14°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Scottsbluff in September?

The normal high is 80°F and the normal low 47°F, for a daily mean of 63.5°F. September is 9.5°F cooler than August and 14.2°F warmer than October. September is the 4th warmest month of the year in Scottsbluff and the 7th wettest. Across the month the normal high falls 13°F, from 86°F on September 1 to 73°F on September 30. From one year to the next September's mean temperature typically moves about 2.7°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 61°F and 66°F.

Scottsbluff in September, day by day: normal high and low

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 23%).

Normal high and low on five days of September, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
September 186°F53°F22%9%
September 883°F50°F23%10%
September 1581°F48°F23%10%
September 2277°F44°F23%11%
September 3073°F41°F22%11%
Every day of September: normal high, low and chance of precipitation (warmest afternoon September 1, coldest night September 30)
Scottsbluff: NOAA 1991-2020 daily normals for each day of September
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
September 186°F53°F22%9%13 h 10 min
September 285°F53°F22%9%13 h 10 min
September 385°F52°F22%9%13 h 10 min
September 485°F52°F22%9%13 h
September 584°F52°F22%9%13 h
September 684°F51°F22%10%13 h
September 784°F51°F22%10%13 h
September 883°F50°F23%10%12 h 50 min
September 983°F50°F23%10%12 h 50 min
September 1083°F50°F23%10%12 h 50 min
September 1182°F49°F23%10%12 h 40 min
September 1282°F49°F23%10%12 h 40 min
September 1381°F48°F23%10%12 h 40 min
September 1481°F48°F23%10%12 h 40 min
September 1581°F48°F23%10%12 h 30 min
September 1680°F47°F23%11%12 h 30 min
September 1780°F47°F23%11%12 h 30 min
September 1879°F46°F23%11%12 h 20 min
September 1979°F46°F23%11%12 h 20 min
September 2078°F45°F23%11%12 h 20 min
September 2178°F45°F23%11%12 h 20 min
September 2277°F44°F23%11%12 h 10 min
September 2377°F44°F23%11%12 h 10 min
September 2476°F44°F23%11%12 h 10 min
September 2576°F43°F23%11%12 h 10 min
September 2675°F43°F23%11%12 h
September 2775°F42°F22%11%12 h
September 2874°F42°F22%11%12 h
September 2973°F41°F22%11%11 h 50 min
September 3073°F41°F22%11%11 h 50 min
Normal high
80°FSeptember average
Normal low
47°FSeptember average
Precipitation
1.22 inmonth total
Days with precipitation
70.01 inch or more
Snowfall
0.3 inmonth total
Days at 90°F or more
6
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
17
Sunshine
85%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00024028; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain or snow in Scottsbluff in September?

On a given September day the chance of 0.01 inch or more is 23% on average, highest around September 16 (23%). In all, 1.22 in falls on 7 days of a normal September.

In a normal September in Scottsbluff, 6 days reach 90°F, 1 nights fall to freezing and snowfall averages 0.3 inches.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024028.

How humid and windy is Scottsbluff in September?

At 3 p.m. the normal temperature is 70°F with 30% relative humidity and a dew point of 37°F; at 6 a.m. it is 43°F with 82% humidity. The wind averages 8.8 mph, most often from the northwest in the afternoon. A dew point under 50°F feels dry.

A normal September day at the station, hour by hour (local standard time)
TimeTemperatureDew pointHumidityWindClear or few clouds
6 a.m.43°F38°F82%6.9 mph76%
9 a.m.56°F40°F56%9.2 mph75%
noon67°F39°F36%11.1 mph75%
3 p.m.70°F37°F30%11.8 mph77%
6 p.m.60°F40°F47%8.4 mph75%
9 p.m.52°F39°F63%7.7 mph78%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00024028. 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 Scottsbluff?

The warmest September temperature on Scottsbluff's official record (since 1893) is 105°F, on September 5, 2020; the coldest is 14°F, on September 25, 1926. The wettest September brought 4.26 in (2014); the snowiest, 5.7 inches (2000).

The September mean against the 1991-2020 normal of 63.5°F: 2021 67.5°F (+4.0), 2022 67.7°F (+4.2), 2023 66.1°F (+2.6), 2024 69.4°F (+5.9), 2025 64.3°F (+0.8), 2026 68.4°F (+4.9). 6 of 6 ran warmer than normal.

Scottsbluff: September in recent years against the 1991-2020 normal
SeptemberMeanAgainst normalPrecip.
202167.5°F+4.0°F0.50 in
202267.7°F+4.2°F0.85 in
202366.1°F+2.6°F2.06 in
202469.4°F+5.9°F0.16 in
202564.3°F+0.8°F0.76 in
202668.4°F+4.9°F0.85 in

Source: records: ACIS, NWS threaded record BFFthr; recent months: ACIS, station USW00024028. Records and recent months use complete months only.

How does September in Scottsbluff 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; Scottsbluff's is 80°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places