Medicine Hat weather in September

In September, Medicine Hat sees average daytime highs of 20°C and overnight lows near 7°C, with 34 mm of precipitation across 6.1 wet days and about 12.4 hours of daylight. It is the 4th-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 17°C by the end. The sky is clear or mostly clear about 44% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 18 min at the start of September to 11 h 30 min by month's end. Set against the rest of the year, September is Medicine Hat's 3rd-clearest and 10th-windiest month. For the whole year in context, see Medicine Hat's year-round climate.

Daytime high
20°
4th warmest
Overnight low
9th coldest
Precipitation
34 mm
6.1 wet days
Daylight
12 h 24 min
6:06 AM – 6:28 PM
Cloud cover
47%
3rd clearest
Wind
12 km/h
10th windiest
Solar energy
4.26 kWh/m²
Travel score
7.0
out of 10

Medicine Hat is city in southeast Alberta, Canada.

Air quality
Excellent
PM2.5 5 µg/m³ · 2019
Density
564/km²
people per km²
Founded
1894

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 23°C in the first days to 17°C by the end.

A typical September day in Medicine Hat reaches about 20°C in the afternoon and slips back to 7°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 28°C. Set against its neighbours, September runs about 6°C cooler than August and about 8°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12410
22310
3239
4239
5229
6229
7229
8228
9218
10218
11218
12218
13207
14207
15207
16207
17197
18197
19196
20196
21196
22196
23186
24185
25185
26185
27175
28175
29174
30174

How September really feels in Medicine Hat

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

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
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.

Medicine Hat 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 (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-3° / -12°1555.78.30.0
Feb-1° / -11°124.24.39.70.0
Mar / -6°205.64.711.50.5
Apr12° / 357.12.813.53.3
May18° / 539.41.115.15.7
Jun22° / 10°8611.1016.16.4
Jul26° / 12°396.8015.77.5
Aug26° / 12°396.6014.37.6
Sep20° / 346.10.312.47.0
Oct12° / 265.41.510.53.7
Nov / -6°215.64.98.80.2
Dec-2° / -10°154.65.27.90.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 44% 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 40%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16535
26535
36436
46535
56436
66337
76238
86238
96139
106040
115941
125842
135842
145842
155743
165842
175842
185842
195842
205941
215941
225941
235941
245941
255941
265941
275941
285941
296040
306040

Chance of precipitation in September

Any precipitationSnow

Medicine Hat gets around 34 mm of rain and snow over 6.1 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 20% and peaks near 23% on the wettest days, and about 0 day brings snow.

0%10%20%30%151015202530
Rain chance (%)Snow chance (%)
1180
2190
3190
4190
5190
6200
7200
8200
9210
10210
11221
12221
13231
14231
15231
16231
17231
18221
19221
20211
21211
22201
23202
24202
25192
26193
27183
28183
29183
30174

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 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1982
2982
3982
4982
5982
6982
7991
8991
9991
10991
11991
12991
13991
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000

Wind in September

Winds average 12 km/h in September.

Across September, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512light breeze
1612light breeze
1712light breeze
1812light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 18 min at the start of September to 11 h 30 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 108 minutes over September. Sunrise moves from 5:43 AM to 6:28 AM, and sunset from 7:02 PM to 5:56 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.35:437:02
213.35:447:00
313.25:466:58
413.15:476:55
513.15:496:53
613.05:516:51
712.95:526:49
812.95:546:46
912.85:556:44
1012.85:576:42
1112.75:586:40
1212.66:006:37
1312.66:016:35
1412.56:036:33
1512.46:046:30
1612.46:066:28
1712.36:086:26
1812.26:096:24
1912.26:116:21
2012.16:126:19
2112.06:146:17
2212.06:156:14
2311.96:176:12
2411.96:186:10
2511.86:206:07
2611.76:226:05
2711.76:236:03
2811.66:256:01
2911.56:265:58
3011.56:285:56

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.26 kWh/m².

For context, solar energy here swings from a low near 1.13 kWh/m² to a high of 6.96 kWh/m² in July across the year — September's 4.26 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.0Bright
44.9Bright
54.9Bright
64.8Bright
74.7Bright
84.7Bright
94.6Bright
104.5Bright
114.5Bright
124.4Bright
134.3Bright
144.3Bright
154.2Bright
164.2Bright
174.1Bright
184.1Bright
194.0Bright
204.0Moderate
214.0Moderate
223.9Moderate
233.9Moderate
243.8Moderate
253.8Moderate
263.7Moderate
273.7Moderate
283.6Moderate
293.6Moderate
303.5Moderate
Planning a trip in September

Is September a good time to visit Medicine Hat?

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

7.0
Sightseeing
3rd-best month of the year
3.6
Beach & pool
4th-best month of the year

September is one of the better times to visit Medicine Hat for general sightseeing.

What to pack for Medicine Hat in September

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

In September, Medicine Hat sees daytime highs around 20°C and nights near 7°C. Worth packing: a warm layer. About 6 days see rain.

a warm layer

UV index in Medicine Hat in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 4 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Medicine Hat peaks around July 15 at about 7 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near January 1 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 7 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighHighModerateLowJul 15UV 7Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr5Moderate
May6High
Jun6High
Jul8Very high
Aug6High
Sep4Moderate
Oct3Moderate
Nov1Low
Dec1Low
Location & terrain

Where is Medicine Hat?

Medicine Hat sits at 50.0°N, 110.7°W, 673 m above sea level, in Canada. The nearest listed city is Lethbridge, 158 km away.

Topography around Medicine Hat

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Medicine Hat.

Within 3 km, the terrain around Medicine Hat has only modest variations in elevation — a maximum elevation change of 91 m around an average of 690 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 195 m; within 80 km, large variations in elevation — a maximum elevation change of 880 m.

The land around Medicine Hat is covered by grassland (38%) and artificial surfaces (38%) within 3 km, grassland (64%) and cropland (29%) within 16 km, and grassland (70%) and cropland (28%) within 80 km.

3 km
91 m
16 km
195 m
80 km
880 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Lethbridge 158 km · Swift Current 207 km · Okotoks 247 km · Chestermere 248 km · Auburn Bay 251 km · Cranston 252 km · McKenzie Towne 252 km · Taradale 260 km

Canada travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 83% of US
price level, 2025
GDP per capita
$55,698
2025
Happiness
6.7 / 10
World Happiness, 2025
Safe drinking water
97%
of population, 2024
Homicide rate
2
per 100k, 2023
Road deaths
5.3
per 100k/yr, 2019
Income group
High
World Bank
Religion
Christian 53%none 35%Muslim 5%Hindu 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 Medicine Hat (50.0393°, -110.6766°, elevation 673 m), 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).