Saint Michael weather in September

In September, Saint Michael sees average daytime highs of 71°F and overnight lows near 52°F, with 3.2 in of rain across 9.1 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 76°F in the first days to 65°F by the end. The sky is clear or mostly clear about 39% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 06 min at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Saint Michael's 3rd-clearest and 5th-windiest month. For the whole year in context, see Saint Michael's year-round climate.

Daytime high
71°
4th warmest
Overnight low
52°
9th coldest
Rainfall
3.2 in
9.1 wet days
Daylight
12 h 18 min
6:00 AM – 6:18 PM
Cloud cover
52%
3rd clearest
Wind
8 mph
5th windiest
Solar energy
4.17 kWh/m²
Travel score
6.8
out of 10

Saint Michael is city in Wright County, Minnesota, United States.

Density
174/km²
people per km²
Founded
1890

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 76°F in the first days to 65°F by the end.

A typical September day in Saint Michael reaches about 71°F in the afternoon and slips back to 52°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 59°F and 82°F. Set against its neighbours, September runs about 8°F cooler than August and about 15°F warmer than October.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
17758
27658
37657
47657
57557
67556
77456
87455
97455
107355
117354
127254
137253
147153
157153
167152
177052
187051
196951
206951
216850
226850
236749
246749
256748
266648
276647
286547
296546
306446

How September really feels in Saint Michael

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.

Saint Michael 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
Jan22° / 0.95.65.890.0
Feb27° / 11°0.94.74.410.10.0
Mar40° / 23°1.97.3411.60.4
Apr55° / 36°3.210.12.713.23.3
May67° / 49°4.011.40.214.65.9
Jun77° / 59°4.412.1015.46.4
Jul81° / 64°3.510.2015.16.6
Aug79° / 61°3.89.9013.96.8
Sep71° / 52°3.29.1012.36.8
Oct56° / 40°2.68.40.810.74.0
Nov40° / 26°1.86.63.69.30.4
Dec27° / 13°1.35.75.88.60.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 39% 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 45%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16139
26139
36238
46139
56139
66040
76040
85941
95842
105743
115644
125644
135446
145446
155347
165248
175248
185248
195248
205248
215248
225248
235248
245248
255248
265248
275248
285248
295248
305248

Chance of precipitation in September

Any precipitation

Saint Michael gets around 3.2 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 30% and peaks near 32% on the wettest days.

0%10%20%30%40%151015202530
Rain chance (%)
129
229
329
429
529
629
728
828
928
1029
1129
1229
1329
1429
1530
1630
1731
1831
1931
2032
2132
2232
2332
2432
2532
2631
2731
2831
2930
3030

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 64% of days. Sticky, muggy-or-worse air turns up on roughly 6% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1392421151
2412420141
3432419131
4452318121
5472318111
6492218101
752211791
853211781
954201781
1056201671
1158191661
1258191661
1360191551
1462191441
1562191441
1664181341
1766181231
1867181131
1968181031
207017931
217217821
227416721
237516621
247615621
257914520
268213410
278312410
288511310
298610310
30889210

Wind in September

Winds average 8 mph in September.

Across September, daily wind ranges from about 8 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (mph)Feels
18light breeze
28light breeze
38light breeze
48light breeze
58light breeze
68light breeze
78light breeze
88light breeze
98light breeze
108light breeze
118light breeze
128light breeze
138light breeze
148light breeze
158light breeze
168light breeze
178light breeze
188light breeze
198light breeze
208light breeze
218light breeze
228light breeze
238light breeze
248light breeze
258light breeze
268light breeze
278light breeze
288light breeze
299light breeze
309light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 06 min 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 90 minutes over September. Sunrise moves from 5:41 AM to 6:17 AM, and sunset from 6:48 PM to 5:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:416:48
213.15:426:46
313.05:436:44
413.05:456:42
512.95:466:40
612.85:476:38
712.85:486:36
812.75:506:34
912.75:516:32
1012.65:526:30
1112.65:536:28
1212.55:556:26
1312.55:566:24
1412.45:576:22
1512.45:586:20
1612.36:006:18
1712.36:016:16
1812.26:026:14
1912.16:036:12
2012.16:056:10
2112.06:066:08
2212.06:076:06
2311.96:086:04
2411.96:106:02
2511.86:116:00
2611.86:125:58
2711.76:145:56
2811.76:155:54
2911.66:165:53
3011.66:175:51

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.17 kWh/m².

For context, solar energy here swings from a low near 1.4 kWh/m² to a high of 6.32 kWh/m² in July across the year — September's 4.17 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.8Bright
44.8Bright
54.7Bright
64.7Bright
74.6Bright
84.5Bright
94.5Bright
104.4Bright
114.4Bright
124.3Bright
134.3Bright
144.2Bright
154.1Bright
164.1Bright
174.0Bright
184.0Moderate
193.9Moderate
203.9Moderate
213.9Moderate
223.8Moderate
233.8Moderate
243.7Moderate
253.7Moderate
263.7Moderate
273.6Moderate
283.6Moderate
293.5Moderate
303.5Moderate
Planning a trip in September

Hazard calendar for Saint Michael

In seasonPeak

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

Saint Michael'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 Saint Michael?

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
4.4
Beach & pool
4th-best month of the year

September is a reasonable time to visit Saint Michael for sightseeing.

What to pack for Saint Michael in September

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

In September, Saint Michael sees daytime highs around 71°F and nights near 52°F. Worth packing: rain gear. About 9 days see rain.

rain gear

UV index in Saint Michael 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 Saint Michael peaks around June 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 12 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 17UV 9Jan 12UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar3Moderate
Apr5Moderate
May7High
Jun9Very high
Jul8Very high
Aug7Very high
Sep6High
Oct3Moderate
Nov2Low
Dec1Low
Location & terrain

Where is Saint Michael?

Saint Michael sits at 45.2°N, 93.7°W, 965 ft above sea level, in United States. The nearest listed city is Otsego, 5.6 mi away.

Topography around Saint Michael

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

Within 2 miles, the terrain around Saint Michael has only modest variations in elevation — a maximum elevation change of 154 ft around an average of 945 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 289 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 873 ft.

The land around Saint Michael is covered by grassland (31%), trees (29%) and cropland (24%) within 2 miles, cropland (34%), trees (28%) and grassland (26%) within 10 miles, and cropland (38%), trees (34%) and grassland (20%) within 50 miles.

2 miles
154 ft
10 miles
289 ft
50 miles
873 ft
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Otsego 5.6 mi · Elk River 8.1 mi · Buffalo 11 mi · Ramsey 11 mi · Champlin 13 mi · Anoka 14 mi · Maple Grove 14 mi · West Coon Rapids 16 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 Saint Michael (45.21°, -93.665°, elevation 965 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).