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

Valentine in September has a normal high of 80°F and a normal low of 49°F, a daily mean of 64°F, falling from 85°F on the 1st to 73°F by the 30th. Measurable precipitation falls on 7 days in a normal September, 1.72 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 27°C and low of 9°C, 44 mm of precipitation in September.

  • NOAA stationValentine Miller Field Airport
  • Station IDUSW00024032
  • Location42.88°N 100.55°W
  • Elevation2,590 ft (789 m)
  • Population2,642
  1. Jan 38° 11°
  2. Feb 41° 14°
  3. Mar 52° 24°
  4. Apr 61° 33°
  5. May 72° 44°
  6. Jun 83° 55°
  7. Jul 90° 61°
  8. Aug 88° 59°
  9. Sep 80° 49°
  10. Oct 65° 34°
  11. Nov 51° 22°
  12. Dec 39° 13°

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

How warm is Valentine in September?

The normal high is 80°F and the normal low 49°F, for a daily mean of 64.2°F. September is 9.4°F cooler than August and 14.9°F warmer than October. September is the 4th warmest month of the year in Valentine and the 6th wettest. Across the month the normal high falls 12°F, from 85°F on September 1 to 73°F on September 30. From one year to the next September's mean temperature typically moves about 3.0°F either way (NOAA's standard deviation), so roughly two Septembers in three average between 61°F and 67°F.

Valentine 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 185°F55°F23%12%
September 883°F52°F23%12%
September 1581°F49°F23%12%
September 2277°F46°F23%13%
September 3073°F42°F23%12%
Every day of September: normal high, low and chance of precipitation (warmest afternoon September 1, coldest night September 30)
Valentine: NOAA 1991-2020 daily normals for each day of September
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
September 185°F55°F23%12%13 h 10 min
September 285°F54°F23%12%13 h 10 min
September 385°F54°F23%12%13 h 10 min
September 485°F54°F23%12%13 h 10 min
September 584°F53°F23%12%13 h
September 684°F53°F23%12%13 h
September 784°F52°F23%12%13 h
September 883°F52°F23%12%12 h 50 min
September 983°F52°F23%12%12 h 50 min
September 1083°F51°F23%12%12 h 50 min
September 1182°F51°F23%12%12 h 50 min
September 1282°F50°F23%12%12 h 40 min
September 1381°F50°F23%12%12 h 40 min
September 1481°F50°F23%12%12 h 40 min
September 1581°F49°F23%12%12 h 30 min
September 1680°F49°F23%12%12 h 30 min
September 1780°F48°F23%12%12 h 30 min
September 1879°F48°F23%13%12 h 30 min
September 1979°F47°F23%13%12 h 20 min
September 2078°F47°F23%13%12 h 20 min
September 2178°F46°F23%13%12 h 20 min
September 2277°F46°F23%13%12 h 10 min
September 2377°F45°F23%13%12 h 10 min
September 2476°F45°F23%13%12 h 10 min
September 2576°F44°F23%13%12 h 10 min
September 2675°F44°F23%12%12 h
September 2774°F43°F23%12%12 h
September 2874°F43°F23%12%12 h
September 2973°F42°F23%12%11 h 50 min
September 3073°F42°F23%12%11 h 50 min
Normal high
80°FSeptember average
Normal low
49°FSeptember average
Precipitation
1.72 inmonth total
Days with precipitation
70.01 inch or more
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
23
Days at 80°F or more
15
Sunshine
83%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00024032; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Valentine in September?

On a given September day the chance of 0.01 inch or more is 23% on average, highest around September 17 (23%). In all, 1.72 in falls on 7 days of a normal September.

In a normal September in Valentine, 6 days reach 90°F and 1 nights fall to freezing.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00024032.

How humid and windy is Valentine in September?

At 3 p.m. the normal temperature is 69°F with 34% relative humidity and a dew point of 39°F; at 6 a.m. it is 45°F with 80% humidity. The wind averages 10.0 mph, most often from the west 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.45°F39°F80%7.8 mph66%
9 a.m.54°F42°F63%10.8 mph71%
noon65°F41°F41%13.3 mph65%
3 p.m.69°F39°F34%13.6 mph74%
6 p.m.65°F40°F40%10.3 mph69%
9 p.m.54°F41°F62%8.6 mph80%

Source: NOAA NCEI 1991-2020 hourly normals, station USW00024032. 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 Valentine?

The warmest September temperature on Valentine's official record (since 1889) is 106°F, on September 9, 1931; the coldest is 12°F, on September 25, 1926. The wettest September brought 5.91 in (1973); the snowiest, 18.4 inches (1985).

The September mean against the 1991-2020 normal of 64.2°F: 2021 68.1°F (+3.9), 2022 67.3°F (+3.1), 2023 66.2°F (+2.0), 2024 70.4°F (+6.2), 2025 66.7°F (+2.5), 2026 67.9°F (+3.7). 6 of 6 ran warmer than normal.

Valentine: September in recent years against the 1991-2020 normal
SeptemberMeanAgainst normalPrecip.
202168.1°F+3.9°F4.01 in
202267.3°F+3.1°F0.80 in
202366.2°F+2.0°F4.08 in
202470.4°F+6.2°F0.09 in
202566.7°F+2.5°F4.68 in
202667.9°F+3.7°F2.87 in

Source: records: ACIS, NWS threaded record VTNthr; recent months: ACIS, station USW00024032. Records and recent months use complete months only.

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

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

Other months and places