Mogi Mirim weather in September

In September, Mogi Mirim sees average daytime highs of 28°C and overnight lows near 16°C, with 86 mm of rain across 7.9 wet days and about 11.9 hours of daylight. It is the 7th-warmest and 7th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 51% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 30 min at the start of September to 12 h 12 min by month's end. Set against the rest of the year, September is Mogi Mirim's 4th-clearest and 1st-windiest month. For the whole year in context, see Mogi Mirim's year-round climate.

Daytime high
28°
7th warmest
Overnight low
16°
5th coldest
Rainfall
86 mm
7.9 wet days
Daylight
11 h 54 min
7:06 AM – 6:58 PM
Cloud cover
45%
4th clearest
Wind
9 km/h
1st windiest
Solar energy
5.49 kWh/m²
Travel score
6.3
out of 10

Mogi Mirim is human settlement in Brazil.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 28°C through the month.

A typical September day in Mogi Mirim reaches about 28°C in the afternoon and slips back to 16°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 33°C. Set against its neighbours, September runs about 2°C warmer than August and on par with October.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12815
22815
32815
42815
52816
62816
72816
82816
92816
102916
112916
122916
132916
142916
152916
162916
172917
182817
192817
202817
212817
222817
232817
242817
252817
262817
272817
282817
292817
302817

Mogi Mirim weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 20°27522.313.23.8
Feb30° / 20°18818.612.83.9
Mar29° / 19°14917.612.24.6
Apr28° / 17°738.711.56.4
May25° / 15°646.310.97.6
Jun25° / 13°434.610.78.1
Jul25° / 13°39410.88.2
Aug27° / 14°334.111.27.9
Sep28° / 16°867.911.96.3
Oct29° / 18°13013.512.55.0
Nov29° / 19°18216.713.14.7
Dec29° / 20°22420.413.34.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 51% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 13% of September, with mostly cloudy or overcast conditions the remaining 35%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17723
27624
37624
47525
57426
67327
77228
87228
97129
107030
117030
126931
136832
146634
156634
166535
176436
186436
196238
206139
216040
225941
235743
245644
255644
265446
275347
285248
295149
305149

Chance of precipitation in September

Any precipitation

Mogi Mirim gets around 86 mm of rain over 7.9 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 26% and peaks near 36% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
118
219
319
420
520
620
721
821
922
1022
1122
1223
1323
1424
1525
1625
1726
1827
1928
2029
2130
2231
2332
2432
2533
2634
2734
2835
2935
3036

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 38% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
15730130
25730130
35630140
45430151
55331151
65231161
75032171
84932171
94733181
104634191
114434202
124235212
134136212
143937222
153837232
163638233
173538243
183338253
193238264
203138274
213038275
222837286
232737297
242636307
252536318
262435319
2723353210
2822343311
2921333412
3021323512

Wind in September

Winds average 9 km/h in September, the windiest month of the year.

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

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 30 min at the start of September to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over September. Sunrise moves from 7:21 AM to 6:52 AM, and sunset from 6:54 PM to 7:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.57:216:54
211.67:206:54
311.67:196:55
411.67:186:55
511.67:176:55
611.77:166:55
711.77:156:56
811.77:146:56
911.77:136:56
1011.77:126:57
1111.87:116:57
1211.87:106:57
1311.87:096:57
1411.87:086:58
1511.97:076:58
1611.97:066:58
1711.97:056:59
1811.97:046:59
1911.97:036:59
2012.07:027:00
2112.07:017:00
2212.07:007:00
2312.06:597:00
2412.06:587:01
2512.16:577:01
2612.16:567:01
2712.16:557:02
2812.16:547:02
2912.26:537:02
3012.26:527:03

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.49 kWh/m².

For context, solar energy here swings from a low near 3.75 kWh/m² to a high of 6.01 kWh/m² in November across the year — September's 5.49 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.4Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.6Bright
265.6Bright
275.6Bright
285.6Bright
295.6Bright
305.6Bright
Planning a trip in September

Hazard calendar for Mogi Mirim

In seasonPeak

None of Mogi Mirim's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Mogi Mirim's rainy season runs October–March, 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 Mogi Mirim?

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

6.3
Sightseeing
6th-best month of the year
7.5
Beach & pool
2nd-best month of the year

September is a reasonable time to visit Mogi Mirim for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Mogi Mirim in September

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

In September, Mogi Mirim sees daytime highs around 28°C and nights near 16°C. Pack light clothes. Worth having: sun protection. About 8 days see rain.

light clothessun protection

UV index in Mogi Mirim in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mogi Mirim peaks around January 24 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 11 at about 6 (high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highHighVery highExtremeJan 24UV 15Jul 11UV 6
UV index (midday)Level
Jan15Extreme
Feb15Extreme
Mar13Extreme
Apr10Very high
May7High
Jun6High
Jul6High
Aug8Very high
Sep8Very high
Oct12Extreme
Nov14Extreme
Dec14Extreme

Air quality in Mogi Mirim 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 Mogi Mirim is worst in September — around 32 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (December, 16 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 1032 µg/m³Dec 1516 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb17Moderate
Mar19Moderate
Apr22Moderate
May26Moderate
Jun28Moderate
Jul30Moderate
Aug31Moderate
Sep32Moderate
Oct22Moderate
Nov16Moderate
Dec16Moderate
Location & terrain

Where is Mogi Mirim?

Mogi Mirim sits at 22.4°S, 47.0°W, 631 m above sea level, in Brazil. The nearest listed city is Mogi Guaçu, 7.0 km away.

Topography around Mogi Mirim

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

Within 3 km, the terrain around Mogi Mirim has only modest variations in elevation — a maximum elevation change of 105 m around an average of 652 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 220 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,330 m.

The land around Mogi Mirim is covered by artificial surfaces (50%) and trees (25%) within 3 km, cropland (42%) and trees (29%) within 16 km, and trees (34%), cropland (31%) and grassland (29%) within 80 km.

3 km
105 m
16 km
220 m
80 km
1,330 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Mogi Guaçu 7.0 km · Itapira 14 km · Santo Antônio de Posse 20 km · Terra Preta 24 km · Holambra 25 km · Conchal 25 km · Engenheiro Coelho 27 km · Artur Nogueira 27 km

Brazil travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / N
127 / 220 V · 60 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$10,713
2025
Happiness
6.6 / 10
World Happiness, 2025
Safe drinking water
89%
of population, 2024
Homicide rate
19.3
per 100k, 2023
Road deaths
16
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 482
Religion
Roman Catholic 57%Evangelical 27%none 9%other 4%

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 Mogi Mirim (-22.4319°, -46.9578°, elevation 631 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).