Norfolk weather in September

In September, Norfolk sees average daytime highs of 76°F and overnight lows near 53°F, with 2.6 in of rain across 7.2 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 80°F in the first days to 71°F by the end. The sky is clear or mostly clear about 55% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 hours at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Norfolk's 1st-clearest and 9th-windiest month. For the whole year in context, see Norfolk's year-round climate.

Daytime high
76°
4th warmest
Overnight low
53°
9th coldest
Rainfall
2.6 in
7.2 wet days
Daylight
12 h 18 min
6:16 AM – 6:32 PM
Cloud cover
39%
1st clearest
Wind
10 mph
9th windiest
Solar energy
4.79 kWh/m²
Travel score
7.4
out of 10

Norfolk is city in Madison County, Nebraska, United States.

Density
786/km²
people per km²
Founded
1866

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 80°F in the first days to 71°F by the end.

A typical September day in Norfolk reaches about 76°F in the afternoon and slips back to 53°F overnight — a 23°F spread between the day's warmth and the night's chill. On most days the high lands between 63°F and 88°F. Set against its neighbours, September runs about 7°F cooler than August and about 14°F warmer than October.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
18160
28159
38059
48058
58058
67958
77957
87957
97856
107856
117755
127755
137754
147654
157653
167653
177553
187552
197452
207451
217451
227350
237350
247349
257249
267248
277148
287147
297147
307047

How September really feels in Norfolk

Once humidity and wind are folded in, September averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Norfolk weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan32° / 14°0.84.23.79.30.0
Feb36° / 17°0.954.310.30.0
Mar48° / 27°2.07.33.611.71.8
Apr60° / 38°3.610.31.913.14.6
May70° / 50°5.012.40.114.36.2
Jun81° / 61°4.411.30156.2
Jul85° / 65°2.88.6014.75.6
Aug83° / 62°3.29013.76.3
Sep76° / 53°2.67.2012.37.4
Oct62° / 40°2.57.40.810.95.8
Nov47° / 27°1.44.62.49.61.8
Dec35° / 17°1.14.53.990.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 55% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of September, with mostly cloudy or overcast conditions the remaining 32%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17030
27030
37030
47030
57030
66931
76931
86832
96832
106832
116733
126733
136733
146733
156733
166634
176733
186733
196832
206832
216832
226931
236931
246931
256931
266832
276832
286832
296733
306733

Chance of precipitation in September

Any precipitation

Norfolk gets around 2.6 in of rain over 7.2 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 25% and peaks near 27% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
124
224
325
425
525
625
725
826
926
1026
1126
1227
1327
1427
1527
1627
1727
1826
1926
2025
2125
2225
2324
2424
2524
2624
2725
2825
2925
3025

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the dry band about 59% of days. Sticky, muggy-or-worse air turns up on roughly 9% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1272328211
2292327201
3322326181
4342325171
5372324161
6392323141
7422322130
8442321120
9462220110
10492219100
11512118100
1254201790
1356201680
1457191680
1560181570
1661181470
1764171360
1865161360
1967151260
2069141250
2171131150
2274121040
237512940
247711930
257811830
268010730
278210620
288210620
298410510
308410510

Wind in September

Winds average 10 mph in September.

Across September, daily wind ranges from about 9 mph on the calmest days to 10 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (mph)Feels
19light breeze
29light breeze
39light breeze
410light breeze
510light breeze
610light breeze
710light breeze
810light breeze
910light breeze
1010light breeze
1110light breeze
1210light breeze
1310light breeze
1410light breeze
1510light breeze
1610light breeze
1710light breeze
1810light breeze
1910light breeze
2010light breeze
2110light breeze
2210light breeze
2310light breeze
2410light breeze
2510light breeze
2610light breeze
2710light breeze
2810light breeze
2910light breeze
3010light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 hours at the start of September to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 84 minutes over September. Sunrise moves from 6:00 AM to 6:31 AM, and sunset from 6:59 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.06:006:59
212.96:016:57
312.96:026:56
412.96:036:54
512.86:046:52
612.86:056:50
712.76:066:49
812.76:076:47
912.66:086:45
1012.66:096:43
1112.56:106:41
1212.56:116:40
1312.46:126:38
1412.46:136:36
1512.36:156:34
1612.36:166:32
1712.26:176:31
1812.26:186:29
1912.16:196:27
2012.16:206:25
2112.06:216:23
2212.06:226:21
2311.96:236:20
2411.96:246:18
2511.86:256:16
2611.86:276:14
2711.76:286:12
2811.76:296:11
2911.66:306:09
3011.66:316:07

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.79 kWh/m².

For context, solar energy here swings from a low near 1.93 kWh/m² to a high of 6.73 kWh/m² in July across the year — September's 4.79 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.3Bright
45.3Bright
55.3Bright
65.2Bright
75.2Bright
85.1Bright
95.1Bright
105.0Bright
115.0Bright
124.9Bright
134.9Bright
144.8Bright
154.8Bright
164.7Bright
174.7Bright
184.6Bright
194.6Bright
204.5Bright
214.5Bright
224.5Bright
234.4Bright
244.4Bright
254.3Bright
264.3Bright
274.2Bright
284.2Bright
294.2Bright
304.1Bright
Planning a trip in September

Hazard calendar for Norfolk

In seasonPeak

In September, Norfolk sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Norfolk's rainy season runs April–October, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Norfolk?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

7.4
Sightseeing
1st-best month of the year
6.2
Beach & pool
4th-best month of the year

September is one of the better times to visit Norfolk for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Norfolk in September

From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In September, Norfolk sees daytime highs around 76°F and nights near 53°F. Worth packing: light clothes and sun protection. About 7 days see rain.

light clothessun protection

UV index in Norfolk in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Norfolk peaks around June 23 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 23UV 9Dec 21UV 2
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr6High
May7High
Jun9Very high
Jul9Very high
Aug7High
Sep6High
Oct5Moderate
Nov3Moderate
Dec2Low
Location & terrain

Where is Norfolk?

Norfolk sits at 42.0°N, 97.4°W, 1,522 ft above sea level, in United States. The nearest listed city is Columbus, 42 mi away.

Topography around Norfolk

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Norfolk.

Within 2 miles, the terrain around Norfolk has only modest variations in elevation — a maximum elevation change of 190 ft around an average of 1,535 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 404 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,053 ft.

The land around Norfolk is covered by artificial surfaces (36%) and grassland (33%) within 2 miles, cropland (57%) and grassland (31%) within 10 miles, and cropland (79%) within 50 miles.

2 miles
190 ft
10 miles
404 ft
50 miles
1,053 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Columbus 42 mi · Sioux City 62 mi · Fremont 63 mi · Grand Island 90 mi · La Vista 93 mi · Omaha 93 mi · Papillion 93 mi · Lincoln 93 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Norfolk (42.0283°, -97.417°, elevation 1,522 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).