Mimico weather in September

In September, Mimico sees average daytime highs of 21°C and overnight lows near 16°C, with 78 mm of rain across 8.8 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 23°C in the first days to 18°C by the end. The sky is clear or mostly clear about 35% 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 Mimico's 3rd-clearest and 8th-windiest month. For the whole year in context, see Mimico's year-round climate.

Daytime high
21°
3rd warmest
Overnight low
16°
10th coldest
Rainfall
78 mm
8.8 wet days
Daylight
12 h 18 min
6:04 AM – 6:21 PM
Cloud cover
54%
3rd clearest
Wind
15 km/h
8th windiest
Solar energy
4.1 kWh/m²
Travel score
6.7
out of 10

Mimico is neighborhood of Toronto.

Founded
1856

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 18°C by the end.

A typical September day in Mimico reaches about 21°C in the afternoon and slips back to 16°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 16°C and 25°C. Set against its neighbours, September runs about 3°C cooler than August and about 6°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12318
22318
32318
42318
52318
62317
72217
82217
92217
102217
112217
122216
132116
142116
152116
162116
172115
182115
192015
202015
212015
222014
232014
241914
251914
261914
271913
281813
291813
301813

How September really feels in Mimico

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.

Mimico weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-0° / -6°8011.98.59.10.0
Feb-0° / -6°608.66.610.20.0
Mar / -3°709.34.611.60.0
Apr / 9510.81.713.21.5
May14° / 7810.2014.54.0
Jun20° / 15°7510.2015.26.3
Jul24° / 19°668.7014.97.2
Aug24° / 19°598.8013.87.3
Sep21° / 16°788.8012.36.7
Oct14° / 10°9211.4010.84.1
Nov / 8810.61.99.51.3
Dec / -2°8111.55.58.80.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% 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 47%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15941
25941
35941
45842
55842
65842
75743
85743
95644
105644
115545
125446
135347
145347
155347
165347
175347
185248
195248
205248
215248
225149
235050
245050
255050
265050
275050
284951
294852
304852

Chance of precipitation in September

Any precipitation

Mimico gets around 78 mm of rain over 8.8 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 37% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
125
226
326
426
527
627
727
828
928
1028
1128
1228
1328
1428
1528
1628
1728
1829
1929
2029
2130
2230
2331
2432
2533
2634
2735
2836
2937
3037

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 42% of days. Sticky, muggy-or-worse air turns up on roughly 13% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1222525234
2242525224
3252525214
4262624204
5282624193
6292623193
7312623183
8322623172
9342622162
10352622152
11362622151
12382622141
13392622131
14402622121
15412621111
16422621110
17442621100
1845262090
1946261990
2047251980
2149251870
2251251770
2352251760
2453251660
2556241550
2657241450
2760231340
2860231340
2963221230
3065211130

Wind in September

Winds average 15 km/h in September.

Across September, daily wind ranges from about 14 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2917light breeze
3017light 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 5:46 AM to 6:20 AM, and sunset from 6:49 PM to 5:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:466:49
213.05:476:47
313.05:496:46
412.95:506:44
512.95:516:42
612.85:526:40
712.85:536:38
812.75:546:36
912.75:556:34
1012.65:576:33
1112.55:586:31
1212.55:596:29
1312.46:006:27
1412.46:016:25
1512.36:026:23
1612.36:046:21
1712.26:056:19
1812.26:066:17
1912.16:076:15
2012.16:086:14
2112.06:096:12
2212.06:116:10
2311.96:126:08
2411.96:136:06
2511.86:146:04
2611.86:156:02
2711.76:166:00
2811.76:185:58
2911.66:195:57
3011.66:205:55

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.1 kWh/m².

For context, solar energy here swings from a low near 1.28 kWh/m² to a high of 6.23 kWh/m² in June across the year — September's 4.1 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.6Bright
44.6Bright
54.5Bright
64.5Bright
74.4Bright
84.4Bright
94.4Bright
104.3Bright
114.3Bright
124.2Bright
134.2Bright
144.2Bright
154.1Bright
164.1Bright
174.0Bright
184.0Bright
194.0Moderate
203.9Moderate
213.9Moderate
223.8Moderate
233.8Moderate
243.7Moderate
253.7Moderate
263.6Moderate
273.6Moderate
283.5Moderate
293.5Moderate
303.4Moderate
Planning a trip in September

Is September a good time to visit Mimico?

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

6.7
Sightseeing
3rd-best month of the year
4.0
Beach & pool
3rd-best month of the year

September is a reasonable time to visit Mimico for sightseeing.

What to pack for Mimico in September

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

In September, Mimico sees daytime highs around 21°C and nights near 16°C. Worth packing: rain gear. About 9 days see rain.

rain gear

Sea temperature near Mimico in September

The nearest coast averages about 19°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 21°C and coldest in February near 3°C.

It's comfortable for a long swim from Jul 20 to Sep 2 — about 1.5 months when the water holds above 20°C.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarm
Sea temperature (°C)Comfort
Jan4Bracing
Feb3Bracing
Mar3Bracing
Apr4Bracing
May7Bracing
Jun15Bracing
Jul20Cool
Aug21Refreshing
Sep19Cool
Oct13Bracing
Nov8Bracing
Dec5Bracing

UV index in Mimico in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mimico peaks around June 21 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 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 21UV 8Dec 22UV 1
UV index (midday)Level
Jan1Low
Feb2Low
Mar4Moderate
Apr5High
May6High
Jun8Very high
Jul8Very high
Aug6High
Sep5High
Oct3Moderate
Nov2Low
Dec1Low

Air quality in Mimico 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 Mimico is worst in May — around 22 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodMay 2021 µg/m³Dec 1010 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb15Moderate
Mar18Moderate
Apr18Moderate
May22Moderate
Jun20Moderate
Jul20Moderate
Aug17Moderate
Sep17Moderate
Oct11Good
Nov10Good
Dec10Good
Location & terrain

Where is Mimico?

Mimico sits at 43.6°N, 79.5°W, 101 m above sea level, in Canada. The nearest listed city is Stonegate-Queensway, 2.0 km away.

Topography around Mimico

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

Within 3 km, the terrain around Mimico has only modest variations in elevation — a maximum elevation change of 61 m around an average of 99 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 147 m; within 80 km, significant variations in elevation — a maximum elevation change of 518 m.

The land around Mimico is covered by artificial surfaces (63%) within 3 km, artificial surfaces (40%) and water (37%) within 16 km, and trees (27%), water (26%) and cropland (25%) within 80 km.

3 km
61 m
16 km
147 m
80 km
518 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Stonegate-Queensway 2.0 km · Islington-City Centre West 3.0 km · High Park-Swansea 5.0 km · High Park North 5.0 km · Etobicoke 6.0 km · Edenbridge-Humber Valley 6.0 km · South Parkdale 6.0 km · Rockcliffe-Smythe 7.0 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 Mimico (43.6162°, -79.5127°, elevation 101 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).