September 2025 Lincoln, NE, Climate Data

UNL City Campus, Aerial View

UNL City Campus. Photo UNL Office of Communication and Marketing

Last Month's Data, August 2025
Next Month's Data, October 2025

September 2025 Daylight
September 1: Sunrise 6:54am; Sunset 7:58pm (Daylight 13 hr 4 min)
September 30: Sunrise 7:22am; Sunset 7:09pm (Daylight 11 hr 47 min)

 

Year 2025 (and last year) Lincoln precipitation (inches), rain + melted snow

 JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECTOTAL
Normal0.730.891.552.694.914.483.253.322.902.141.301.1829.34
20250.100.310.95

1.71

3.053.223.934.893.53   21.69
20240.950.511.093.424.783.287.231.500.201.083.850.6128.50

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

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.

September2025MaxMinMeanDepPcpnRec
Pcpn
Rec
Max
Rec
Min
HDDCDDNorm 
Max
Norm 
Min
Norm 
Mean
MondaySept. 1665862-101.942.601064230856072
TuesdaySept. 2785567-50.002.421064302846072
WednesdaySept. 3765264-8T2.371023510845972
ThursdaySept. 4734760-110.002.151024050845971
FridaySept. 5704658-130.003.061034370845971
SaturdaySept. 6724358-130.001.911054170835871
SundaySept. 7784461-90.002.011044240835870
MondaySept. 8725664-60.044.681034010835870
TuesdaySept. 979617000.334.221003605835770
WednesdaySept. 10845771+20.002.371013806825769
ThursdaySept. 11886074+50.001.59992909825669
FridaySept. 12936981+120.002.449632016825669
SaturdaySept. 13956480+120.001.4110234015815668
SundaySept. 14886476+80.282.289934011815568
MondaySept. 15896075+70.001.969931010815568
TuesdaySept. 16916478+110.002.5310034013805467
WednesdaySept. 17786371+40.031.941013506805467
ThursdaySept. 18725765-20.032.541003100805367
FridaySept. 19775365-10.411.551002900795366
SaturdaySept. 20786069+30.112.611033104795366
SundaySept. 21815568+3

T

1.431033203785265
MondaySept. 22895673+80.002.62992708785265
TuesdaySept. 23736167+30.363.63973102785164
WednesdaySept. 24805568+40.001.74933103775164
ThursdaySept. 25855168+40.002.32932903775064
FridaySept. 26855168+50.001.60952803765063
SaturdaySept. 27825167+40.001.37943202764963
SundaySept. 28884667+50.004.701022802754962
MondaySept. 29875370+80.001.75962602754962
TuesdaySept. 30.....3.309628..754861
.2025MaxMinMeanDepPcpnRec
Pcpn
Rec
Max
Rec
Min
HDDCDDAvg 
Max
Avg 
Min
Avg 
Mean
as of 9/29TOTAL    3.53   ..   
as of 9/29  AVERAGE80.955.668.3          
 NORMAL80.154.367.2 2.90   77143   
 DEPARTURE...
 
 +0.63   ..   

AVERAGE AND TOTAL are SEPTEMBER 2025. 
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 2025 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 only been one measurable snowfall in September from 1897 to 2024
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.