San Luis de la Paz weather in September

In September, San Luis de la Paz sees average daytime highs of 23°C and overnight lows near 14°C, with 102 mm of rain across 13.5 wet days and about 12.1 hours of daylight. It is the 7th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 20% 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 San Luis de la Paz's 12th-clearest and 4th-windiest month. For the whole year in context, see San Luis de la Paz's year-round climate.

Daytime high: 23°; 7th warmest
Overnight low: 14°; 8th coldest
Rainfall: 102 mm; 13.5 wet days
Daylight: 12 h 06 min; 6:33 AM – 6:40 PM
Cloud cover: 67%; 12th clearest
Wind: 10 km/h; 4th windiest
Solar energy: 5.17 kWh/m²
Travel score: 6.2; out of 10

San Luis de la Paz is municipal seat of San Luis, State of Guanajuato, Mexico.

Air quality: Moderate; PM2.5 11 µg/m³ · 2018

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

← August San Luis de la Paz year-round climate October →Best places to visit in September

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 23°C through the month.

A typical September day in San Luis de la Paz reaches about 23°C in the afternoon and slips back to 14°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 26°C. Set against its neighbours, September runs about 1°C cooler than August and on par with October.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°C)	24	24	24	24	24	24	24	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23	23
Avg low (°C)	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	13	13	13	13	13	13	13	13

	Avg high (°C)	Avg low (°C)
1	24	14
2	24	14
3	24	14
4	24	14
5	24	14
6	24	14
7	24	14
8	23	14
9	23	14
10	23	14
11	23	14
12	23	14
13	23	14
14	23	14
15	23	14
16	23	14
17	23	14
18	23	14
19	23	14
20	23	14
21	23	14
22	23	14
23	23	13
24	23	13
25	23	13
26	23	13
27	23	13
28	23	13
29	23	13
30	23	13

San Luis de la Paz weather by month

How September compares with the rest of the year at a glance. September is the 7th-warmest and 2nd-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	21° / 7°	12	2.7	10.8	7.8
Feb	23° / 9°	11	2	11.3	8.5
Mar	26° / 10°	13	2.6	11.8	8.3
Apr	28° / 13°	18	4.3	12.5	7.3
May	28° / 14°	42	8.9	13	6.4
Jun	26° / 15°	92	13.4	13.3	6.2
Jul	24° / 14°	106	15	13.2	6.2
Aug	24° / 14°	88	12.9	12.7	6.5
Sep	23° / 14°	102	13.5	12.1	6.2
Oct	23° / 12°	41	6.7	11.5	7.3
Nov	22° / 9°	15	2.8	11	8.1
Dec	21° / 7°	5	1.2	10.7	8.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in September, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 19% of September, with mostly cloudy or overcast conditions the remaining 61%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	38	38	37	37	36	36	36	36	36	36	38	38	38	39	39	39	39	40	39	40	40	40	40	41	41	42	42	41	42	43
Cloudier (%)	62	62	63	63	64	64	64	64	64	64	62	62	62	61	61	61	61	60	61	60	60	60	60	59	59	58	58	59	58	57

	Clearer (%)	Cloudier (%)
1	38	62
2	38	62
3	37	63
4	37	63
5	36	64
6	36	64
7	36	64
8	36	64
9	36	64
10	36	64
11	38	62
12	38	62
13	38	62
14	39	61
15	39	61
16	39	61
17	39	61
18	40	60
19	39	61
20	40	60
21	40	60
22	40	60
23	40	60
24	41	59
25	41	59
26	42	58
27	42	58
28	41	59
29	42	58
30	43	57

Chance of precipitation in September

Any precipitation

San Luis de la Paz gets around 102 mm of rain over 13.5 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 44% and peaks near 51% on the wettest days. The odds ease toward the end of the month.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	47	48	48	49	49	50	50	51	51	51	50	50	49	49	48	47	46	45	44	42	41	39	38	37	35	34	33	32	32	31

	Rain chance (%)
1	47
2	48
3	48
4	49
5	49
6	50
7	50
8	51
9	51
10	51
11	50
12	50
13	49
14	49
15	48
16	47
17	46
18	45
19	44
20	42
21	41
22	39
23	38
24	37
25	35
26	34
27	33
28	32
29	32
30	31

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 62% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Dry (%)	24	24	24	24	24	24	24	24	25	25	26	26	27	27	28	28	29	30	31	32	34	36	38	40	42	43	45	47	48	49
Comfortable (%)	72	71	71	71	70	70	70	69	68	68	66	66	65	65	64	64	63	62	62	61	60	58	56	55	53	53	51	50	49	48
Humid (%)	4	5	5	5	6	6	6	7	7	7	8	8	8	8	8	8	8	8	7	7	6	6	6	5	5	4	4	4	3	3

	Dry (%)	Comfortable (%)	Humid (%)
1	24	72	4
2	24	71	5
3	24	71	5
4	24	71	5
5	24	70	6
6	24	70	6
7	24	70	6
8	24	69	7
9	25	68	7
10	25	68	7
11	26	66	8
12	26	66	8
13	27	65	8
14	27	65	8
15	28	64	8
16	28	64	8
17	29	63	8
18	30	62	8
19	31	62	7
20	32	61	7
21	34	60	6
22	36	58	6
23	38	56	6
24	40	55	5
25	42	53	5
26	43	53	4
27	45	51	4
28	47	50	4
29	48	49	3
30	49	48	3

Wind in September

Winds average 10 km/h in September.

Across September, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (km/h)	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10	10
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	10	calm
2	10	calm
3	10	calm
4	10	calm
5	10	calm
6	10	calm
7	10	calm
8	10	calm
9	10	calm
10	10	calm
11	10	calm
12	10	calm
13	10	calm
14	10	calm
15	10	calm
16	10	calm
17	10	calm
18	10	calm
19	10	calm
20	10	calm
21	10	calm
22	10	calm
23	10	calm
24	10	calm
25	10	calm
26	10	calm
27	10	calm
28	10	calm
29	10	calm
30	10	calm

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 6:29 AM to 6:37 AM, and sunset from 6:55 PM to 6:26 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	12.4	12.4	12.4	12.4	12.3	12.3	12.3	12.3	12.3	12.2	12.2	12.2	12.2	12.2	12.1	12.1	12.1	12.1	12.1	12.0	12.0	12.0	12.0	12.0	11.9	11.9	11.9	11.9	11.8	11.8
Sunrise (AM)	6:29	6:29	6:29	6:30	6:30	6:30	6:30	6:31	6:31	6:31	6:31	6:32	6:32	6:32	6:33	6:33	6:33	6:33	6:34	6:34	6:34	6:34	6:35	6:35	6:35	6:35	6:36	6:36	6:36	6:37
Sunset (PM)	6:55	6:54	6:53	6:52	6:51	6:50	6:49	6:48	6:47	6:46	6:45	6:44	6:43	6:42	6:41	6:40	6:39	6:38	6:37	6:36	6:35	6:34	6:33	6:32	6:31	6:30	6:29	6:28	6:27	6:26

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.4	6:29	6:55
2	12.4	6:29	6:54
3	12.4	6:29	6:53
4	12.4	6:30	6:52
5	12.3	6:30	6:51
6	12.3	6:30	6:50
7	12.3	6:30	6:49
8	12.3	6:31	6:48
9	12.3	6:31	6:47
10	12.2	6:31	6:46
11	12.2	6:31	6:45
12	12.2	6:32	6:44
13	12.2	6:32	6:43
14	12.2	6:32	6:42
15	12.1	6:33	6:41
16	12.1	6:33	6:40
17	12.1	6:33	6:39
18	12.1	6:33	6:38
19	12.1	6:34	6:37
20	12.0	6:34	6:36
21	12.0	6:34	6:35
22	12.0	6:34	6:34
23	12.0	6:35	6:33
24	12.0	6:35	6:32
25	11.9	6:35	6:31
26	11.9	6:35	6:30
27	11.9	6:36	6:29
28	11.9	6:36	6:28
29	11.8	6:36	6:27
30	11.8	6:37	6:26

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.17 kWh/m².

For context, solar energy here swings from a low near 4.51 kWh/m² to a high of 7.21 kWh/m² in May across the year — September's 5.17 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	5.6	5.5	5.5	5.5	5.4	5.4	5.4	5.3	5.3	5.3	5.3	5.3	5.2	5.2	5.2	5.2	5.2	5.2	5.1	5.1	5.1	5.1	5.1	5.1	5.0	5.0	5.0	5.0	5.0	5.0
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	5.6	Bright
2	5.5	Bright
3	5.5	Bright
4	5.5	Bright
5	5.4	Bright
6	5.4	Bright
7	5.4	Bright
8	5.3	Bright
9	5.3	Bright
10	5.3	Bright
11	5.3	Bright
12	5.3	Bright
13	5.2	Bright
14	5.2	Bright
15	5.2	Bright
16	5.2	Bright
17	5.2	Bright
18	5.2	Bright
19	5.1	Bright
20	5.1	Bright
21	5.1	Bright
22	5.1	Bright
23	5.1	Bright
24	5.1	Bright
25	5.0	Bright
26	5.0	Bright
27	5.0	Bright
28	5.0	Bright
29	5.0	Bright
30	5.0	Bright

Planning a trip in September

Hazard calendar for San Luis de la Paz

In seasonPeak

In September, San Luis de la Paz sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

San Luis de la Paz'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 San Luis de la Paz?

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

6.2

Sightseeing

10th-best month of the year

4.9

Beach & pool

11th-best month of the year

September is a reasonable time to visit San Luis de la Paz for sightseeing.

What to pack for San Luis de la Paz in September

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

In September, San Luis de la Paz sees daytime highs around 23°C and nights near 14°C. Worth packing: light clothes, rain gear and sun protection. About 14 days see rain.

light clothesrain gearsun protection

UV index in San Luis de la Paz in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in San Luis de la Paz peaks around June 14 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 7 (very high).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	8	10	13	13	13	14	12	14	11	11	8	7
Level	Very high	Very high	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Very high

	UV index (midday)	Level
Jan	8	Very high
Feb	10	Very high
Mar	13	Extreme
Apr	13	Extreme
May	13	Extreme
Jun	14	Extreme
Jul	12	Extreme
Aug	14	Extreme
Sep	11	Extreme
Oct	11	Extreme
Nov	8	Very high
Dec	7	Very high

Location & terrain

Where is San Luis de la Paz?

San Luis de la Paz sits at 21.3°N, 100.5°W, 2,022 m above sea level, in Mexico. The nearest listed city is San José Iturbide, 36 km away.

Topography around San Luis de la Paz

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of San Luis de la Paz.

Within 3 km, the terrain around San Luis de la Paz has significant variations in elevation — a maximum elevation change of 329 m around an average of 2,053 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 719 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,692 m.

The land around San Luis de la Paz is covered by shrubs (47%) and artificial surfaces (34%) within 3 km, shrubs (68%) and cropland (22%) within 16 km, and shrubs (63%) within 80 km.

3 km

329 m

shrubs 47%

16 km

719 m

shrubs 68%

80 km

2,692 m

shrubs 63%

treesshrubsgrasslandcroplandartificial surfacesbare terrain

← August San Luis de la Paz year-round climate October →Best places to visit in September

September weather nearby: San José Iturbide 36 km · Dolores Hidalgo 46 km · San Miguel de Allende 49 km · Santa Rosa Jáuregui 62 km · Comonfort 69 km · San Felipe 75 km · Santiago de Querétaro 80 km · Guanajuato 83 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

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 San Luis de la Paz (21.2984°, -100.5148°, elevation 2,022 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).

	Avg high (°C)	Avg low (°C)
1	24	14
2	24	14
3	24	14
4	24	14
5	24	14
6	24	14
7	24	14
8	23	14
9	23	14
10	23	14
11	23	14
12	23	14
13	23	14
14	23	14
15	23	14
16	23	14
17	23	14
18	23	14
19	23	14
20	23	14
21	23	14
22	23	14
23	23	13
24	23	13
25	23	13
26	23	13
27	23	13
28	23	13
29	23	13
30	23	13

	Clearer (%)	Cloudier (%)
1	38	62
2	38	62
3	37	63
4	37	63
5	36	64
6	36	64
7	36	64
8	36	64
9	36	64
10	36	64
11	38	62
12	38	62
13	38	62
14	39	61
15	39	61
16	39	61
17	39	61
18	40	60
19	39	61
20	40	60
21	40	60
22	40	60
23	40	60
24	41	59
25	41	59
26	42	58
27	42	58
28	41	59
29	42	58
30	43	57

	Rain chance (%)
1	47
2	48
3	48
4	49
5	49
6	50
7	50
8	51
9	51
10	51
11	50
12	50
13	49
14	49
15	48
16	47
17	46
18	45
19	44
20	42
21	41
22	39
23	38
24	37
25	35
26	34
27	33
28	32
29	32
30	31

	Dry (%)	Comfortable (%)	Humid (%)
1	24	72	4
2	24	71	5
3	24	71	5
4	24	71	5
5	24	70	6
6	24	70	6
7	24	70	6
8	24	69	7
9	25	68	7
10	25	68	7
11	26	66	8
12	26	66	8
13	27	65	8
14	27	65	8
15	28	64	8
16	28	64	8
17	29	63	8
18	30	62	8
19	31	62	7
20	32	61	7
21	34	60	6
22	36	58	6
23	38	56	6
24	40	55	5
25	42	53	5
26	43	53	4
27	45	51	4
28	47	50	4
29	48	49	3
30	49	48	3

	Avg high (°C)	Avg low (°C)
1	24	14
2	24	14
3	24	14
4	24	14
5	24	14
6	24	14
7	24	14
8	23	14
9	23	14
10	23	14
11	23	14
12	23	14
13	23	14
14	23	14
15	23	14
16	23	14
17	23	14
18	23	14
19	23	14
20	23	14
21	23	14
22	23	14
23	23	13
24	23	13
25	23	13
26	23	13
27	23	13
28	23	13
29	23	13
30	23	13

	Clearer (%)	Cloudier (%)
1	38	62
2	38	62
3	37	63
4	37	63
5	36	64
6	36	64
7	36	64
8	36	64
9	36	64
10	36	64
11	38	62
12	38	62
13	38	62
14	39	61
15	39	61
16	39	61
17	39	61
18	40	60
19	39	61
20	40	60
21	40	60
22	40	60
23	40	60
24	41	59
25	41	59
26	42	58
27	42	58
28	41	59
29	42	58
30	43	57

	Rain chance (%)
1	47
2	48
3	48
4	49
5	49
6	50
7	50
8	51
9	51
10	51
11	50
12	50
13	49
14	49
15	48
16	47
17	46
18	45
19	44
20	42
21	41
22	39
23	38
24	37
25	35
26	34
27	33
28	32
29	32
30	31

	Dry (%)	Comfortable (%)	Humid (%)
1	24	72	4
2	24	71	5
3	24	71	5
4	24	71	5
5	24	70	6
6	24	70	6
7	24	70	6
8	24	69	7
9	25	68	7
10	25	68	7
11	26	66	8
12	26	66	8
13	27	65	8
14	27	65	8
15	28	64	8
16	28	64	8
17	29	63	8
18	30	62	8
19	31	62	7
20	32	61	7
21	34	60	6
22	36	58	6
23	38	56	6
24	40	55	5
25	42	53	5
26	43	53	4
27	45	51	4
28	47	50	4
29	48	49	3
30	49	48	3

	Avg high (°C)	Avg low (°C)
1	24	14
2	24	14
3	24	14
4	24	14
5	24	14
6	24	14
7	24	14
8	23	14
9	23	14
10	23	14
11	23	14
12	23	14
13	23	14
14	23	14
15	23	14
16	23	14
17	23	14
18	23	14
19	23	14
20	23	14
21	23	14
22	23	14
23	23	13
24	23	13
25	23	13
26	23	13
27	23	13
28	23	13
29	23	13
30	23	13

	Clearer (%)	Cloudier (%)
1	38	62
2	38	62
3	37	63
4	37	63
5	36	64
6	36	64
7	36	64
8	36	64
9	36	64
10	36	64
11	38	62
12	38	62
13	38	62
14	39	61
15	39	61
16	39	61
17	39	61
18	40	60
19	39	61
20	40	60
21	40	60
22	40	60
23	40	60
24	41	59
25	41	59
26	42	58
27	42	58
28	41	59
29	42	58
30	43	57

	Rain chance (%)
1	47
2	48
3	48
4	49
5	49
6	50
7	50
8	51
9	51
10	51
11	50
12	50
13	49
14	49
15	48
16	47
17	46
18	45
19	44
20	42
21	41
22	39
23	38
24	37
25	35
26	34
27	33
28	32
29	32
30	31

	Dry (%)	Comfortable (%)	Humid (%)
1	24	72	4
2	24	71	5
3	24	71	5
4	24	71	5
5	24	70	6
6	24	70	6
7	24	70	6
8	24	69	7
9	25	68	7
10	25	68	7
11	26	66	8
12	26	66	8
13	27	65	8
14	27	65	8
15	28	64	8
16	28	64	8
17	29	63	8
18	30	62	8
19	31	62	7
20	32	61	7
21	34	60	6
22	36	58	6
23	38	56	6
24	40	55	5
25	42	53	5
26	43	53	4
27	45	51	4
28	47	50	4
29	48	49	3
30	49	48	3