Romita weather in September

In September, Romita sees average daytime highs of 27°C and overnight lows near 15°C, with 112 mm of rain across 14.7 wet days and about 12.1 hours of daylight. It is the 8th-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 27°C through the month. The sky is clear or mostly clear about 18% of the time in September, and the air most often feels comfortable.

Daylight stretches from about 12 h 24 min at the start of September to 11 h 48 min by month's end. Set against the rest of the year, September is Romita's 12th-clearest and 4th-windiest month. For the whole year in context, see Romita's year-round climate.

Daytime high
27°
8th warmest
Overnight low
15°
8th coldest
Rainfall
112 mm
14.7 wet days
Daylight
12 h 06 min
6:37 AM – 6:44 PM
Cloud cover
66%
12th clearest
Wind
7 km/h
4th windiest
Solar energy
5.61 kWh/m²
Travel score
5.7
out of 10

Romita is municipal seat of Romita, State of Guanajuato, Mexico.

Founded
1885

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 27°C through the month.

A typical September day in Romita reaches about 27°C in the afternoon and slips back to 15°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 29°C. Set against its neighbours, September runs on par with August and on par with October.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12716
22716
32716
42716
52716
62716
72716
82716
92716
102716
112716
122716
132716
142716
152716
162716
172715
182715
192715
202715
212715
222715
232715
242715
252715
262715
272715
282715
292715
302715

How September really feels in Romita

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.

Romita weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 11210.98.6
Feb27° / 10°91.611.38.3
Mar29° / 12°101.711.96.9
Apr31° / 14°81.812.55.4
May32° / 16°336.2134.5
Jun30° / 17°12114.613.24.4
Jul28° / 16°14818.613.15.1
Aug28° / 16°12716.712.75.3
Sep27° / 15°11214.712.15.7
Oct27° / 14°376.311.57.1
Nov26° / 11°112.2118.2
Dec25° / 41.110.88.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in September, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 21% of September, with mostly cloudy or overcast conditions the remaining 60%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13961
23862
33961
43862
53862
63763
73763
83763
93862
103862
113862
123961
133961
143961
153961
164060
174060
184060
194060
204060
214159
224159
234258
244159
254258
264258
274258
284357
294456
304555

Chance of precipitation in September

Any precipitation

Romita gets around 112 mm of rain over 14.7 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 48% and peaks near 57% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
156
257
357
457
557
657
757
856
956
1056
1155
1254
1353
1452
1552
1651
1749
1848
1947
2046
2144
2243
2341
2439
2538
2636
2735
2834
2933
3033

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the comfortable band about 45% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)
1185131
2185131
3185131
4195032
5194932
6194932
7204832
8204832
9214732
10214732
11224632
12224632
13234631
14244531
15244530
16254629
17264628
18274627
19284626
20304525
21314524
22334423
23354321
24374320
25394219
26414118
27434016
28453915
29473914
30493813

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 24 min at the start of September to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over September. Sunrise moves from 6:33 AM to 6:40 AM, and sunset from 6:58 PM to 6:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:336:58
212.46:336:57
312.46:346:57
412.46:346:56
512.36:346:55
612.36:346:54
712.36:356:53
812.36:356:52
912.36:356:51
1012.26:356:50
1112.26:366:49
1212.26:366:48
1312.26:366:47
1412.26:366:46
1512.16:376:45
1612.16:376:44
1712.16:376:43
1812.16:376:42
1912.16:386:41
2012.06:386:40
2112.06:386:39
2212.06:386:38
2312.06:396:37
2412.06:396:36
2511.96:396:35
2611.96:396:34
2711.96:406:33
2811.96:406:32
2911.96:406:31
3011.86:406:30

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.61 kWh/m².

For context, solar energy here swings from a low near 4.83 kWh/m² to a high of 7.53 kWh/m² in April across the year — September's 5.61 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.9Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
Planning a trip in September

Hazard calendar for Romita

In seasonPeak

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

Romita's rainy season runs June–September, 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 Romita?

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

5.7
Sightseeing
7th-best month of the year
5.8
Beach & pool
10th-best month of the year

September is a reasonable time to visit Romita for sightseeing.

What to pack for Romita in September

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

In September, Romita sees daytime highs around 27°C and nights near 15°C. Pack light clothes and rain gear. Worth having: sun protection. About 15 days see rain.

light clothesrain gearsun protection

UV index in Romita in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Romita peaks around June 13 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 7 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highJun 13UV 14Dec 15UV 7
UV index (midday)Level
Jan8Very high
Feb10Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun14Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec7Very high

Air quality in Romita 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 Romita is worst in May — around 21 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateMay 1521 µg/m³Oct 1614 µg/m³
PM2.5 (µg/m³)Level
Jan19Moderate
Feb17Moderate
Mar17Moderate
Apr17Moderate
May21Moderate
Jun15Moderate
Jul17Moderate
Aug15Moderate
Sep16Moderate
Oct13Moderate
Nov16Moderate
Dec20Moderate
Location & terrain

Where is Romita?

Romita sits at 20.9°N, 101.5°W, 1,752 m above sea level, in Mexico. The nearest listed city is Silao de la Victoria, 12 km away.

Topography around Romita

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

Within 3 km, the terrain around Romita has only modest variations in elevation — a maximum elevation change of 36 m around an average of 1,752 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 304 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,302 m.

The land around Romita is covered by cropland (67%) within 3 km, cropland (58%) within 16 km, and cropland (35%) and shrubs (32%) within 80 km.

3 km
36 m
16 km
304 m
80 km
1,302 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Silao de la Victoria 12 km · Marfil 28 km · Irapuato 28 km · Guanajuato 31 km · León de los Aldama 33 km · Medina 33 km · Centro Familiar la Soledad 38 km · La Ermita 38 km

Mexico travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B
120 / 127 V · 60 Hz
Prices
≈ 54% of US
price level, 2025
GDP per capita
$13,889
2025
Happiness
7.0 / 10
World Happiness, 2025
Safe drinking water
43%
of population, 2024
Homicide rate
24.9
per 100k, 2023
Road deaths
12.8
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 440
Religion
Catholic 78%no religion 11%other Evangelical Churches 8%Jehovah Witness 1%

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 Romita (20.8721°, -101.517°, elevation 1,752 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).