September 2026 Lincoln, NE, Climate Data

Content

Large red and black letter "N" monument with vibrant autumn trees and blue sky.

Photo UNL City Campus, home of this website since June 2001.
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

4.096.784.68.   24.28
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)
 

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. 1.....2.6010642..856072
WednesdaySept. 2.....2.4210643..846072
ThursdaySept. 3.....2.3710235..845972
FridaySept. 4.....2.1510240..845971
SaturdaySept. 5.....3.0610343..845971
SundaySept. 6.....1.9110541..835871
MondaySept. 7.....2.0110442..835870
TuesdaySept. 8.....4.6810340..835870
WednesdaySept. 9.....4.2210036..835770
ThursdaySept. 10.....2.3710138..825769
FridaySept. 11.....1.599929..825669
SaturdaySept. 12.....2.449632..825669
SundaySept. 13.....1.4110234..815668
MondaySept. 14.....2.289934..815568
TuesdaySept. 15.....1.969931..815568
WednesdaySept. 16.....2.5310034..805467
ThursdaySept. 17.....1.9410135..805467
FridaySept. 18.....2.5410031..805367
SaturdaySept. 19.....1.5510029..795366
SundaySept. 20.....2.6110331..795366
MondaySept. 21.....1.4310332..785265
TuesdaySept. 22.....2.629927..785265
WednesdaySept. 23.....3.639731..785164
ThursdaySept. 24.....1.749331..775164
FridaySept. 25.....2.329329..775064
SaturdaySept. 26.....1.609528..765063
SundaySept. 27.....1.379432..764963
MondaySept. 28.....4.7010228..754962
TuesdaySept. 29.....1.759626..754962
WednesdaySept. 30.....3.309628..754861
.2025MaxMinMeanDepPcpnRec
Pcpn
Rec
Max
Rec
Min
HDDCDDAvg 
Max
Avg 
Min
Avg 
Mean
.TOTAL    .   ..   
. AVERAGE...          
 NORMAL80.154.367.2 2.90   77143   
 DEPARTURE... .   ..   

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.