September 2026 Lincoln, NE, Climate Data

Content

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UNL Office of Communication and Marketing.  

Last Month's Data (August 2026)   Next Month's Data (October 2026)
 

Year 2026 (and last year) Lincoln precipitation (inches), rain + melted snow

 JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECTOTAL
Normal0.730.891.552.694.914.483.253.322.902.141.301.1829.34
20260.95

0.44

0.222.47

4.65

4.096.784.75

11.49

   35.84
20250.100.310.95

1.71

3.053.223.934.893.531.940.610.2524.49

Normal January 1 - August 31 Precipitation total = 21.82 inches
Normal January 1 - September 30 Precipitation total = 24.72 inches

September 2026 Daylight
September 1: Sunrise 6:53am; Sunset 7:58pm (Daylight 13 hr 5 min)
September 30: Sunrise 7:22am; Sunset 7:10pm (Daylight 11 hr 48 min)

RECORDS:
Tied Record Warm overnight low 76° September 2, 2026:  First set in 1913
Record Warm overnight low 79° September 3, 2026:  Old record 75° set in 1937 
Record daily precipitation Sept. 30, 2026: 6.15" (old record 3.30" Sept. 30, 2014)
Record daily precipitation any day of the year Sept. 30, 2026: 6.15" (old record 5.45" Aug. 29, 1910)
Record monthly precipitation Sept. 2026: 11.49" (old record 8.32" set in 1914)

 

Maximum 1-day precipitation data for Lincoln, NE, ranked with values and ending dates from 1887 to 2026.

September 30, 2026 Greatest precipitaion for any day in the year.
 

Maximum monthly precipitation table for Lincoln, NE from 1887 to 2026, ranked by value.

September 2026 wettest September on Record.

September temperature data table, warmest years ranked with average temperatures.

September 2026, 4th warmest on record.

Lincoln's Hot Weather Climatology:  Hot weather climatology

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Frequwncies 90 degree temperatues

Progression of Fall Colors

All data in the following table are from the National Weather Service and HPRCC data archives.

September2026MaxMinMeanDepPcpnRec
Pcpn
Rec
Max
Rec
Min
HDDCDDNorm 
Max
Norm 
Min
Norm 
Mean
TuesdaySept. 1977084+120.002.6010642019856072
WednesdaySept. 2997688+16

T

2.4210643023846072
ThursdaySept. 3987989+170.002.3710235024845972
FridaySept. 4997688+170.002.1510240023845971
SaturdaySept. 5987386+150.003.0610343021845971
SundaySept. 6927282+11

T

1.9110541017835871
MondaySept. 7977084+140.002.0110442019835870
TuesdaySept. 81017387+170.404.6810340022835870
WednesdaySept. 9836775+50.074.2210036010835770
ThursdaySept. 10875973+40.002.371013808825769
FridaySept. 11906477+80.131.599929012825669
SaturdaySept. 12735966-30.322.44963201825669
SundaySept. 13665963-50.051.411023420815668
MondaySept. 14855972+40.632.28993407815568
TuesdaySept. 15755867-10.941.96993102815568
WednesdaySept. 16715965-20.282.531003400805467
ThursdaySept. 17806573+60.051.941013508805467
FridaySept. 18977084+170.002.5410031019805367
SaturdaySept. 19816573+5

T

1.551002908795366
SundaySept. 20676164-2

T

2.611033110795366
MondaySept. 21735966+10.011.431033201785265
TuesdaySept. 22695663-20.002.62992720785265
WednesdaySept. 23745565+10.013.63973100785164
ThursdaySept. 2466626400.661.74933110775164
FridaySept. 25646062-20.952.32932930775064
SaturdaySept. 26786270+70.831.60952805765063
SundaySept. 27816372+90.001.37943207764963
MondaySept. 28776370+80.004.701022805754962
TuesdaySept. 29776571+90.011.75962606754962
WednesdaySept. 30736670+96.156.15962805754861
.2026MaxMinMeanDepPcpnRec
Pcpn
Rec
Max
Rec
Min
HDDCDDAvg 
Max
Avg 
Min
Avg 
Mean
.TOTAL    

11.49

   9272   
.AVERAGE82.364.873.6          
 NORMAL80.154.367.2 2.90   77143   
 DEPARTURE.+2.2+10.5+6.4 +8.59   -68+129   

AVERAGE AND TOTAL are SEPTEMBER 2026. 
Temperature is °F
Precipitation measurement is "inches"
Precipitation "T" = trace, precipitation was observed but not enough to be measured
NORMAL (Norm) refers to the 1991-2020 Standard normals 
DEPARTURE is SEPTEMBER 2026 Averages and totals measured against 1991-2020 Normals.
Max = Observed Maximum and Min = Observed Minimum temperatures in °F. 
Mean = Observed Mean Daily temperature in °F. 
Dep = Departure from normal ( -  is below normal, + is above normal, in °F)
Pcpn = Observed daily precipitation (midnight to midnight, CST) in inches. 
Rec Pcpn = Record daily amount of precipitation in inches. 
Rec Max = Record maximum temperature in °F. 
Rec Min = Record Minimum temperature in °F. 
HDD = heating degree day units (base of 65 degrees) in °F. 
CDD = cooling degree day units (base of 65 degrees) in °F. 
Norm Max = Daily Normal High Temperature (1991-2020 normals) in °F. 
Norm Min = Daily Normal Low Temperature (1991-2020 normals) in °F. 
Norm Mean = Daily Normal Mean Temperature (1991-2020 normals) in °F.

From the record books: 
Hottest recorded September temperature, 106°F, September 2, 2000 and September 1, 1922 
Coldest recorded September temperature, 26°F, September 29, 1984. 
Earliest ever first snowfall, September 28, 1985, 0.8 inches.
There is only been one measurable snowfall in September from 1897 to 2025
Wettest September, 8.32 inches, 1914
Driest September, 0.00 inches, 1894

NOTE:  All data on this page are from the National Weather Service and HPRCC data archives.