Holt weather in September

In September, Holt sees average daytime highs of 72°F and overnight lows near 54°F, with 2.8 in of rain across 9.1 wet days and about 12.3 hours of daylight. It is the 4th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 77°F in the first days to 67°F by the end. The sky is clear or mostly clear about 34% 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 Holt's 2nd-clearest and 9th-windiest month. For the whole year in context, see Holt's year-round climate.

Daytime high
72°
4th warmest
Overnight low
54°
9th coldest
Rainfall
2.8 in
9.1 wet days
Daylight
12 h 18 min
6:24 AM – 6:41 PM
Cloud cover
55%
2nd clearest
Wind
7 mph
9th windiest
Solar energy
4.27 kWh/m²
Travel score
6.8
out of 10

Holt is unincorporated community in Ingham County, Michigan, United States.

Density
583/km²
people per km²
Founded
1860

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 77°F in the first days to 67°F by the end.

A typical September day in Holt reaches about 72°F in the afternoon and slips back to 54°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 62°F and 83°F. Set against its neighbours, September runs about 7°F cooler than August and about 13°F warmer than October.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
17759
27758
37758
47658
57658
67657
77657
87556
97556
107556
117455
127455
137455
147354
157354
167353
177253
187253
197152
207152
217151
227051
237051
246950
256950
266849
276849
286749
296748
306748

How September really feels in Holt

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.

Holt weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan31° / 18°2.4107.99.20.0
Feb34° / 19°2.07.76.210.30.0
Mar44° / 28°2.49.73.811.61.0
Apr57° / 39°3.711.71.713.13.8
May68° / 49°4.012.2014.46.0
Jun78° / 59°3.711.1015.16.5
Jul81° / 63°3.110.6014.86.4
Aug79° / 61°3.310.2013.76.7
Sep72° / 54°2.89.1012.36.8
Oct60° / 43°3.0100.210.84.7
Nov46° / 33°2.69.22.19.61.3
Dec35° / 24°2.29.36.28.90.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 34% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 49%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15545
25545
35545
45545
55545
65545
75446
85446
95446
105347
115248
125149
135149
145050
154951
164951
175050
184951
194951
204951
214852
224753
234753
244753
254753
264852
274753
284753
294753
304753

Chance of precipitation in September

Any precipitation

Holt gets around 2.8 in of rain over 9.1 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 31% and peaks near 34% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
130
231
331
431
530
630
730
830
930
1030
1130
1230
1330
1430
1529
1629
1729
1829
1929
2029
2129
2230
2331
2431
2532
2633
2733
2834
2934
3034

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 58% 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 (%)
1342619192
2362619182
3382618162
4392618152
5412618142
6432517132
7452517121
8462517111
9482417101
1049241691
1151241681
1252231681
1354231571
1455221571
1557211561
1659211460
1761201360
1863191350
1965181250
2066181150
2168171050
227116940
237116940
247315840
257514740
267614730
277713730
287912630
298012620
308111620

Wind in September

Winds average 7 mph in September.

Across September, daily wind ranges from about 6 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
16calm
26calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267light breeze
278light breeze
288light breeze
298light breeze
308light 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 6:07 AM to 6:40 AM, and sunset from 7:08 PM to 6:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.06:077:08
213.06:087:06
312.96:097:05
412.96:117:03
512.86:127:01
612.86:136:59
712.76:146:57
812.76:156:56
912.66:166:54
1012.66:176:52
1112.56:186:50
1212.56:196:48
1312.46:216:46
1412.46:226:45
1512.36:236:43
1612.36:246:41
1712.26:256:39
1812.26:266:37
1912.16:276:35
2012.16:286:33
2112.06:296:32
2212.06:316:30
2311.96:326:28
2411.96:336:26
2511.86:346:24
2611.86:356:22
2711.76:366:21
2811.76:376:19
2911.66:386:17
3011.66:406:15

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.27 kWh/m².

For context, solar energy here swings from a low near 1.37 kWh/m² to a high of 6.31 kWh/m² in June across the year — September's 4.27 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.7Bright
54.7Bright
64.7Bright
74.6Bright
84.6Bright
94.5Bright
104.5Bright
114.4Bright
124.4Bright
134.3Bright
144.3Bright
154.3Bright
164.2Bright
174.2Bright
184.1Bright
194.1Bright
204.0Bright
214.0Bright
224.0Moderate
233.9Moderate
243.9Moderate
253.8Moderate
263.8Moderate
273.7Moderate
283.7Moderate
293.6Moderate
303.6Moderate
Planning a trip in September

Is September a good time to visit Holt?

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

6.8
Sightseeing
1st-best month of the year
4.9
Beach & pool
4th-best month of the year

September is a reasonable time to visit Holt for sightseeing.

What to pack for Holt in September

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

In September, Holt sees daytime highs around 72°F and nights near 54°F. Worth packing: light clothes and rain gear. About 9 days see rain.

light clothesrain gear

UV index in Holt 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 Holt peaks around June 20 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 20UV 9Dec 21UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr5High
May7Very high
Jun9Very high
Jul9Very high
Aug7Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low
Location & terrain

Where is Holt?

Holt sits at 42.6°N, 84.5°W, 883 ft above sea level, in United States. The nearest listed city is Lansing, 6.8 mi away.

Topography around Holt

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

Within 2 miles, the terrain around Holt has only modest variations in elevation — a maximum elevation change of 131 ft around an average of 886 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 272 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 715 ft.

The land around Holt is covered by trees (50%) and grassland (20%) within 2 miles, trees (41%) and cropland (28%) within 10 miles, and trees (43%) and cropland (41%) within 50 miles.

2 miles
131 ft
10 miles
272 ft
50 miles
715 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Lansing 6.8 mi · East Lansing 6.8 mi · Okemos 7.5 mi · Waverly 8.7 mi · Haslett 9.3 mi · Jackson 28 mi · Battle Creek 40 mi · Ann Arbor 47 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 Holt (42.6406°, -84.5152°, elevation 883 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).