Leduc weather in September

In September, Leduc sees average daytime highs of 17°C and overnight lows near 5°C, with 39 mm of precipitation across 7.4 wet days and about 12.4 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 19°C in the first days to 14°C 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 h 30 min at the start of September to 11 h 24 min by month's end. Set against the rest of the year, September is Leduc's 3rd-clearest and 7th-windiest month. For the whole year in context, see Leduc's year-round climate.

Daytime high
17°
4th warmest
Overnight low
9th coldest
Precipitation
39 mm
7.4 wet days
Daylight
12 h 24 min
6:16 AM – 6:41 PM
Cloud cover
55%
3rd clearest
Wind
12 km/h
7th windiest
Solar energy
3.77 kWh/m²
Travel score
5.5
out of 10

Leduc is city in Alberta, Canada.

Density
367/km²
people per km²
Founded
1899

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 19°C in the first days to 14°C by the end.

A typical September day in Leduc reaches about 17°C in the afternoon and slips back to 5°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 9°C and 24°C. Set against its neighbours, September runs about 5°C cooler than August and about 8°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
1197
2197
3197
4197
5187
6187
7186
8186
9186
10176
11176
12175
13175
14175
15175
16165
17165
18164
19164
20164
21164
22154
23154
24153
25153
26153
27143
28143
29143
30142

How September really feels in Leduc

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 5 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
5
wind chill below the day's low

The story in September is cold — wind chill drags the overnight "feels like" below the raw low.

Leduc weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-7° / -15°185.25.97.90.0
Feb-5° / -14°113.449.40.0
Mar / -9°175.25.111.50.0
Apr / -2°336.73.313.72.1
May16° / 558.7115.65.1
Jun20° / 8513.1016.65.7
Jul22° / 11°8512.9016.26.3
Aug21° / 599.5014.66.7
Sep17° / 397.40.412.45.5
Oct / -1°235.92.110.32.0
Nov-0° / -9°225.65.38.40.0
Dec-6° / -14°144.65.57.40.0

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 18% of September, with mostly cloudy or overcast conditions the remaining 48%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15446
25347
35248
45347
55248
65149
75149
85050
95050
104951
114951
124951
134951
145050
155050
165149
175149
185248
195248
205347
215347
225446
235446
245446
255446
265446
275545
285545
295446
305446

Chance of precipitation in September

Any precipitationSnow

Leduc gets around 39 mm of rain and snow over 7.4 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 25% and peaks near 28% on the wettest days, and about 0 day brings snow. The odds ease toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)Snow chance (%)
1271
2271
3271
4281
5281
6281
7281
8281
9282
10282
11272
12272
13272
14262
15262
16252
17242
18231
19231
20221
21221
22221
23211
24211
25211
26211
27212
28212
29202
30202

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1982
2982
3982
4991
5991
6991
7991
8991
91000
101000
111000
121000
131000
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 11 km/h on the calmest days to 12 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
212calm
312calm
412calm
512calm
612calm
712calm
812calm
912calm
1012calm
1112calm
1212calm
1312calm
1412calm
1512calm
1612calm
1712calm
1812calm
1912calm
2012calm
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 30 min at the start of September to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 126 minutes over September. Sunrise moves from 5:49 AM to 6:41 AM, and sunset from 7:18 PM to 6:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.55:497:18
213.45:517:16
313.35:537:14
413.35:557:11
513.25:577:09
613.15:587:06
713.16:007:04
813.06:027:01
912.96:046:59
1012.86:056:56
1112.86:076:54
1212.76:096:51
1312.66:116:49
1412.66:136:46
1512.56:146:43
1612.46:166:41
1712.36:186:38
1812.36:206:36
1912.26:216:33
2012.16:236:31
2112.16:256:28
2212.06:276:26
2311.96:296:23
2411.86:306:21
2511.86:326:18
2611.76:346:16
2711.66:366:13
2811.56:386:11
2911.56:406:08
3011.46:416:06

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.77 kWh/m².

For context, solar energy here swings from a low near 0.85 kWh/m² to a high of 6.26 kWh/m² in July across the year — September's 3.77 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.5Bright
34.4Bright
44.4Bright
54.3Bright
64.2Bright
74.2Bright
84.1Bright
94.1Bright
104.0Bright
114.0Moderate
123.9Moderate
133.9Moderate
143.8Moderate
153.8Moderate
163.7Moderate
173.7Moderate
183.6Moderate
193.6Moderate
203.6Moderate
213.5Moderate
223.5Moderate
233.4Moderate
243.4Moderate
253.3Moderate
263.3Moderate
273.2Moderate
283.2Moderate
293.1Moderate
303.1Moderate
Planning a trip in September

Is September a good time to visit Leduc?

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

5.5
Sightseeing
4th-best month of the year
1.2
Beach & pool
4th-best month of the year

September is a reasonable time to visit Leduc for sightseeing.

What to pack for Leduc in September

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

In September, Leduc sees daytime highs around 17°C and nights near 5°C. Worth packing: a warm layer. About 7 days see rain.

a warm layer

UV index in Leduc in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 3 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Leduc peaks around July 15 at about 7 (high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 17 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 6 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighModerateLowJul 15UV 7Dec 17UV 1
UV index (midday)Level
Jan1Low
Feb1Low
Mar3Moderate
Apr3Moderate
May5Moderate
Jun6High
Jul7High
Aug5Moderate
Sep3Moderate
Oct2Moderate
Nov1Low
Dec1Low

Air quality in Leduc in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Leduc is worst in July — around 20 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (October, 7 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodJul 2219 µg/m³Oct 207 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb9Good
Mar12Moderate
Apr10Good
May12Moderate
Jun12Good
Jul20Moderate
Aug19Moderate
Sep11Good
Oct7Good
Nov8Good
Dec9Good
Location & terrain

Where is Leduc?

Leduc sits at 53.3°N, 113.6°W, 728 m above sea level, in Canada. The nearest listed city is Wîhkwêntôwin, 31 km away.

Topography around Leduc

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

Within 3 km, the terrain around Leduc has only modest variations in elevation — a maximum elevation change of 32 m around an average of 729 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 158 m; within 80 km, significant variations in elevation — a maximum elevation change of 448 m.

The land around Leduc is covered by artificial surfaces (32%), grassland (27%) and cropland (25%) within 3 km, cropland (56%) and grassland (29%) within 16 km, and cropland (42%), grassland (32%) and trees (20%) within 80 km.

3 km
32 m
16 km
158 m
80 km
448 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Wîhkwêntôwin 31 km · Sherwood Park 32 km · Edmonton 32 km · Spruce Grove 38 km · St. Albert 41 km · Stony Plain 42 km · Camrose 55 km · Sylvan Lake 112 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 Leduc (53.2668°, -113.552°, elevation 728 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. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).