Lincoln, NE weather in September
In September, Lincoln sees highs around 80°F and lows around 54°F: warm, with some rain. There are about 7 days with rain. Good for outdoor plans.
- Normal high
- 80°F
- Normal low
- 54°F
- Wet days
- 7
- 2.9 in total
- Muggy days
- 4
- dew point 65°F+
How September changes from start to finish
| September 1 | September 30 | |
|---|---|---|
| Normal high | 85°F | 75°F |
| Normal low | 60°F | 48°F |
| Chance of a wet day | 26% | 24% |
| Sunrise / sunset | 6:53 am / 7:59 pm | 7:22 am / 7:10 pm |
| Daylight | 13.1 h | 11.8 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Central Time).
A typical September day
- 6 am57°Fdew point 53°F
- 9 am66°Fdew point 55°F
- Noon75°Fdew point 55°F
- 3 pm78°Fdew point 54°F
- 6 pm73°Fdew point 54°F
- 9 pm65°Fdew point 55°F
NOAA hourly normals (local standard time) from Lincoln Muni Airport (6 mi away); average wind 9 mph; clear or few clouds in 72% of daytime hours, mostly cloudy or overcast in 21%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F12 of 30
- Hot dayshigh 90°F or more5 of 30
- Muggy daysdaily mean dew point 65°F or more4 of 30
- Wet daysat least 0.01 in of rain or melted snow7 of 30
- Notable rainat least 0.10 in5 of 30
- Freezing nightslow 32°F or below0 of 30
- Snow on the groundsnow depth 1 in or more0 of 30
Average days per September, counted from daily records for each year 1991-2020.
Rain in September
Normal precipitation is 2.9 in; a dry September brings about 1.6 in and a wet one about 3.7 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more.
How September varies from year to year
- Warmest September, 1991-20202019: average high 85°F
- Coolest September1993: average high 72°F
- Wettest September2018: 7.1 in
- Driest September2005: 0.3 in
- Highest reading106°F (September 2, 2000)
- Lowest reading27°F (September 22, 1995)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
September compared with August and October
| August | September | October | |
|---|---|---|---|
| Normal high | 87°F | 80°F | 67°F |
| Normal low | 64°F | 54°F | 41°F |
| Wet days | 9 | 7 | 7 |
| Comfortable days | 3 | 12 | 14 |
| Daylight | 13.8 h | 12.5 h | 11.1 h |
Highs change by -7°F from August and -13°F into October.
How Lincoln ranks in September
- Normal high198th warmest of 378 cities; 1st of 2 in Nebraska
- Wet days163rd driest of 378
- Comfortable days139th most of 342
What to pack for Lincoln in September
- Layers – afternoons near 80°F but nights near 54°F
Heating and cooling
September has 77 heating degree days and 143 cooling degree days (base 65°F), 3% of the year's total heating and cooling demand.
Questions
How hot is Lincoln in September?
The normal high is 80°F and the normal low is 54°F. From 1991 to 2020 the hottest September reading was 106°F (September 2, 2000).
Does it rain a lot in Lincoln in September?
About 7 days in September have at least 0.01 in of precipitation, and the normal total is 2.9 in. The wettest September in 1991-2020 was in 2018 (7.1 in); the driest was in 2005 (0.3 in).
Is September a good time to visit Lincoln?
September ranks 4th of 12 months on our comfort score for Lincoln (62 out of 100). It has about 12 comfortable days and about 5 days at 90°F or hotter. The best months are April and May.
Where the numbers come from
- Temperature, rain, snowfall, snow depth, frost dates, humidity and wind by hour and cloud cover: Lincoln Muni Airport (USW00014939), 5.5 mi NW of the city center, 1,190 ft . NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Lincoln Municipal Airport (725510-14939), 6.1 mi WNW of the city center, 1,170 ft . Hourly observations, 1991-2020.