Guamúchil weather in September
In September, Guamúchil sees average daytime highs of 34°C and overnight lows near 25°C, with 131 mm of rain across 14 wet days and about 12.2 hours of daylight. It is the 6th-warmest and 2nd-wettest month of the year here.
Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 36% of the time in September, and the air most often feels miserable.
Daylight stretches from about 12 h 30 min at the start of September to 11 h 48 min by month's end. Set against the rest of the year, September is Guamúchil's 10th-clearest and 11th-windiest month. For the whole year in context, see Guamúchil's year-round climate.
- Daytime high
- 34°
- 6th warmest
- Overnight low
- 25°
- 10th coldest
- Rainfall
- 131 mm
- 14 wet days
- Daylight
- 12 h 06 min
- 6:02 AM – 6:11 PM
- Cloud cover
- 55%
- 10th clearest
- Wind
- 5 km/h
- 11th windiest
- Solar energy
- 5.24 kWh/m²
- Travel score
- 2.7
- out of 10
Guamúchil is municipal seat of Salvador Alvarado, State of Sinaloa, Mexico.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in September
Day-to-day highs hold fairly steady near 34°C through the month.
A typical September day in Guamúchil reaches about 34°C in the afternoon and slips back to 25°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 37°C. Set against its neighbours, September runs on par with August and about 1°C cooler than 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) | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 35 | 35 | 35 | 35 | 35 | 35 |
| Avg low (°C) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 34 | 25 |
| 2 | 34 | 25 |
| 3 | 34 | 25 |
| 4 | 34 | 25 |
| 5 | 34 | 25 |
| 6 | 34 | 25 |
| 7 | 34 | 25 |
| 8 | 34 | 25 |
| 9 | 34 | 25 |
| 10 | 34 | 25 |
| 11 | 34 | 25 |
| 12 | 34 | 25 |
| 13 | 34 | 25 |
| 14 | 34 | 25 |
| 15 | 34 | 25 |
| 16 | 34 | 25 |
| 17 | 34 | 25 |
| 18 | 34 | 25 |
| 19 | 34 | 25 |
| 20 | 34 | 24 |
| 21 | 34 | 24 |
| 22 | 34 | 24 |
| 23 | 34 | 24 |
| 24 | 34 | 24 |
| 25 | 35 | 24 |
| 26 | 35 | 24 |
| 27 | 35 | 24 |
| 28 | 35 | 24 |
| 29 | 35 | 24 |
| 30 | 35 | 24 |
How September really feels in Guamúchil
Once humidity and wind are folded in, September averages 30 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Guamúchil weather by month
How September compares with the rest of the year at a glance. September is the 6th-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 | 28° / 12° | 19 | 1.9 | 10.6 | 7.8 |
| Feb | 29° / 13° | 16 | 1.8 | 11.1 | 6.7 |
| Mar | 31° / 14° | 4 | 0.6 | 11.8 | 5.5 |
| Apr | 34° / 16° | 1 | 0.3 | 12.6 | 3.9 |
| May | 36° / 19° | 1 | 0.3 | 13.2 | 2.6 |
| Jun | 37° / 24° | 15 | 2.8 | 13.6 | 2.0 |
| Jul | 35° / 25° | 130 | 15.2 | 13.4 | 2.0 |
| Aug | 34° / 25° | 166 | 17.5 | 12.9 | 2.3 |
| Sep | 34° / 25° | 131 | 14 | 12.2 | 2.7 |
| Oct | 35° / 21° | 35 | 4 | 11.4 | 3.1 |
| Nov | 32° / 16° | 44 | 2.2 | 10.8 | 5.1 |
| Dec | 28° / 13° | 22 | 2.1 | 10.4 | 7.4 |
Cloud cover in September
The sky is clear or mostly clear about 36% of the time in September.
Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 46%. Skies tend to open up as the month goes on.
| 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 (%) | 33 | 34 | 35 | 36 | 38 | 39 | 40 | 42 | 44 | 46 | 47 | 49 | 50 | 52 | 52 | 54 | 56 | 57 | 59 | 60 | 61 | 63 | 65 | 66 | 68 | 69 | 71 | 73 | 74 | 76 |
| Cloudier (%) | 67 | 66 | 65 | 64 | 62 | 61 | 60 | 58 | 56 | 54 | 53 | 51 | 50 | 48 | 48 | 46 | 44 | 43 | 41 | 40 | 39 | 37 | 35 | 34 | 32 | 31 | 29 | 27 | 26 | 24 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 33 | 67 |
| 2 | 34 | 66 |
| 3 | 35 | 65 |
| 4 | 36 | 64 |
| 5 | 38 | 62 |
| 6 | 39 | 61 |
| 7 | 40 | 60 |
| 8 | 42 | 58 |
| 9 | 44 | 56 |
| 10 | 46 | 54 |
| 11 | 47 | 53 |
| 12 | 49 | 51 |
| 13 | 50 | 50 |
| 14 | 52 | 48 |
| 15 | 52 | 48 |
| 16 | 54 | 46 |
| 17 | 56 | 44 |
| 18 | 57 | 43 |
| 19 | 59 | 41 |
| 20 | 60 | 40 |
| 21 | 61 | 39 |
| 22 | 63 | 37 |
| 23 | 65 | 35 |
| 24 | 66 | 34 |
| 25 | 68 | 32 |
| 26 | 69 | 31 |
| 27 | 71 | 29 |
| 28 | 73 | 27 |
| 29 | 74 | 26 |
| 30 | 76 | 24 |
Chance of precipitation in September
Guamúchil gets around 131 mm of rain over 14 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 46% and peaks near 61% 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 (%) | 61 | 61 | 61 | 60 | 60 | 59 | 58 | 57 | 56 | 55 | 54 | 53 | 52 | 51 | 49 | 48 | 46 | 44 | 43 | 41 | 39 | 37 | 36 | 34 | 32 | 31 | 29 | 28 | 26 | 25 |
| Rain chance (%) | |
|---|---|
| 1 | 61 |
| 2 | 61 |
| 3 | 61 |
| 4 | 60 |
| 5 | 60 |
| 6 | 59 |
| 7 | 58 |
| 8 | 57 |
| 9 | 56 |
| 10 | 55 |
| 11 | 54 |
| 12 | 53 |
| 13 | 52 |
| 14 | 51 |
| 15 | 49 |
| 16 | 48 |
| 17 | 46 |
| 18 | 44 |
| 19 | 43 |
| 20 | 41 |
| 21 | 39 |
| 22 | 37 |
| 23 | 36 |
| 24 | 34 |
| 25 | 32 |
| 26 | 31 |
| 27 | 29 |
| 28 | 28 |
| 29 | 26 |
| 30 | 25 |
Humidity in September
Most of September feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, September lands in the miserable band about 81% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Comfortable (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Humid (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 2 | 2 | 2 |
| Muggy (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 4 | 4 | 5 | 6 | 6 | 7 | 8 |
| Oppressive (%) | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 13 | 13 | 13 | 14 | 14 | 15 | 15 | 16 | 17 | 18 | 18 | 19 | 20 | 21 | 23 | 24 | 25 | 27 | 28 | 30 |
| Miserable (%) | 89 | 89 | 89 | 89 | 89 | 89 | 89 | 88 | 88 | 88 | 87 | 87 | 87 | 86 | 86 | 84 | 84 | 83 | 82 | 80 | 80 | 78 | 77 | 74 | 72 | 70 | 68 | 65 | 63 | 59 |
| Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|
| 1 | 0 | 0 | 0 | 11 | 89 |
| 2 | 0 | 0 | 0 | 11 | 89 |
| 3 | 0 | 0 | 0 | 11 | 89 |
| 4 | 0 | 0 | 0 | 11 | 89 |
| 5 | 0 | 0 | 0 | 11 | 89 |
| 6 | 0 | 0 | 0 | 11 | 89 |
| 7 | 0 | 0 | 0 | 11 | 89 |
| 8 | 0 | 0 | 0 | 12 | 88 |
| 9 | 0 | 0 | 0 | 12 | 88 |
| 10 | 0 | 0 | 0 | 12 | 88 |
| 11 | 0 | 0 | 0 | 13 | 87 |
| 12 | 0 | 0 | 0 | 13 | 87 |
| 13 | 0 | 0 | 0 | 13 | 87 |
| 14 | 0 | 0 | 0 | 14 | 86 |
| 15 | 0 | 0 | 0 | 14 | 86 |
| 16 | 0 | 0 | 1 | 15 | 84 |
| 17 | 0 | 0 | 1 | 15 | 84 |
| 18 | 0 | 0 | 1 | 16 | 83 |
| 19 | 0 | 0 | 1 | 17 | 82 |
| 20 | 0 | 0 | 2 | 18 | 80 |
| 21 | 0 | 0 | 2 | 18 | 80 |
| 22 | 0 | 0 | 3 | 19 | 78 |
| 23 | 0 | 0 | 3 | 20 | 77 |
| 24 | 0 | 1 | 4 | 21 | 74 |
| 25 | 0 | 1 | 4 | 23 | 72 |
| 26 | 0 | 1 | 5 | 24 | 70 |
| 27 | 0 | 1 | 6 | 25 | 68 |
| 28 | 0 | 2 | 6 | 27 | 65 |
| 29 | 0 | 2 | 7 | 28 | 63 |
| 30 | 1 | 2 | 8 | 30 | 59 |
Wind in September
Winds average 5 km/h in September.
Across September, daily wind ranges from about 5 km/h on the calmest days to 5 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) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| 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 | 5 | calm |
| 2 | 5 | calm |
| 3 | 5 | calm |
| 4 | 5 | calm |
| 5 | 5 | calm |
| 6 | 5 | calm |
| 7 | 5 | calm |
| 8 | 5 | calm |
| 9 | 5 | calm |
| 10 | 5 | calm |
| 11 | 5 | calm |
| 12 | 5 | calm |
| 13 | 5 | calm |
| 14 | 5 | calm |
| 15 | 5 | calm |
| 16 | 5 | calm |
| 17 | 5 | calm |
| 18 | 5 | calm |
| 19 | 5 | calm |
| 20 | 5 | calm |
| 21 | 5 | calm |
| 22 | 5 | calm |
| 23 | 5 | calm |
| 24 | 5 | calm |
| 25 | 5 | calm |
| 26 | 5 | calm |
| 27 | 5 | calm |
| 28 | 5 | calm |
| 29 | 5 | calm |
| 30 | 5 | calm |
Sunrise & sunset in September
Daylight runs from about 12 h 30 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 42 minutes over September. Sunrise moves from 5:56 AM to 6:08 AM, and sunset from 6:28 PM to 5:55 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) | 12.5 | 12.5 | 12.5 | 12.5 | 12.4 | 12.4 | 12.4 | 12.4 | 12.3 | 12.3 | 12.3 | 12.2 | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12.1 | 12.0 | 12.0 | 12.0 | 12.0 | 11.9 | 11.9 | 11.9 | 11.9 | 11.8 | 11.8 | 11.8 |
| Sunrise (AM) | 5:56 | 5:57 | 5:57 | 5:57 | 5:58 | 5:58 | 5:59 | 5:59 | 5:59 | 6:00 | 6:00 | 6:01 | 6:01 | 6:01 | 6:02 | 6:02 | 6:03 | 6:03 | 6:03 | 6:04 | 6:04 | 6:05 | 6:05 | 6:05 | 6:06 | 6:06 | 6:07 | 6:07 | 6:08 | 6:08 |
| Sunset (PM) | 6:28 | 6:27 | 6:26 | 6:25 | 6:23 | 6:22 | 6:21 | 6:20 | 6:19 | 6:18 | 6:17 | 6:16 | 6:14 | 6:13 | 6:12 | 6:11 | 6:10 | 6:09 | 6:08 | 6:06 | 6:05 | 6:04 | 6:03 | 6:02 | 6:01 | 6:00 | 5:59 | 5:57 | 5:56 | 5:55 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.5 | 5:56 | 6:28 |
| 2 | 12.5 | 5:57 | 6:27 |
| 3 | 12.5 | 5:57 | 6:26 |
| 4 | 12.5 | 5:57 | 6:25 |
| 5 | 12.4 | 5:58 | 6:23 |
| 6 | 12.4 | 5:58 | 6:22 |
| 7 | 12.4 | 5:59 | 6:21 |
| 8 | 12.4 | 5:59 | 6:20 |
| 9 | 12.3 | 5:59 | 6:19 |
| 10 | 12.3 | 6:00 | 6:18 |
| 11 | 12.3 | 6:00 | 6:17 |
| 12 | 12.2 | 6:01 | 6:16 |
| 13 | 12.2 | 6:01 | 6:14 |
| 14 | 12.2 | 6:01 | 6:13 |
| 15 | 12.2 | 6:02 | 6:12 |
| 16 | 12.1 | 6:02 | 6:11 |
| 17 | 12.1 | 6:03 | 6:10 |
| 18 | 12.1 | 6:03 | 6:09 |
| 19 | 12.1 | 6:03 | 6:08 |
| 20 | 12.0 | 6:04 | 6:06 |
| 21 | 12.0 | 6:04 | 6:05 |
| 22 | 12.0 | 6:05 | 6:04 |
| 23 | 12.0 | 6:05 | 6:03 |
| 24 | 11.9 | 6:05 | 6:02 |
| 25 | 11.9 | 6:06 | 6:01 |
| 26 | 11.9 | 6:06 | 6:00 |
| 27 | 11.9 | 6:07 | 5:59 |
| 28 | 11.8 | 6:07 | 5:57 |
| 29 | 11.8 | 6:08 | 5:56 |
| 30 | 11.8 | 6:08 | 5:55 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 5.24 kWh/m².
For context, solar energy here swings from a low near 4.08 kWh/m² to a high of 7.92 kWh/m² in May across the year — September's 5.24 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) | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.2 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 |
| 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 | 5.2 | Bright |
| 2 | 5.2 | Bright |
| 3 | 5.2 | Bright |
| 4 | 5.2 | Bright |
| 5 | 5.2 | Bright |
| 6 | 5.2 | Bright |
| 7 | 5.2 | Bright |
| 8 | 5.2 | Bright |
| 9 | 5.2 | Bright |
| 10 | 5.2 | Bright |
| 11 | 5.2 | Bright |
| 12 | 5.2 | Bright |
| 13 | 5.2 | Bright |
| 14 | 5.2 | Bright |
| 15 | 5.2 | Bright |
| 16 | 5.2 | Bright |
| 17 | 5.3 | Bright |
| 18 | 5.3 | Bright |
| 19 | 5.3 | Bright |
| 20 | 5.3 | Bright |
| 21 | 5.3 | Bright |
| 22 | 5.3 | Bright |
| 23 | 5.3 | Bright |
| 24 | 5.3 | Bright |
| 25 | 5.4 | Bright |
| 26 | 5.4 | Bright |
| 27 | 5.4 | Bright |
| 28 | 5.4 | Bright |
| 29 | 5.4 | Bright |
| 30 | 5.4 | Bright |
Hazard calendar for Guamúchil
In September, Guamúchil sits inside its pacific hurricane and rainy season season. The full year is below, with each hazard's peak months called out.
Guamúchil sits in the eastern Pacific hurricane zone; the season peaks August–September.
Guamúchil's rainy season runs July–September, when most of the year's rain falls.
Is September a good time to visit Guamúchil?
Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
September is a weaker month for outdoor sightseeing in Guamúchil.
What to pack for Guamúchil in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Guamúchil sees daytime highs around 34°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 14 days see rain.
Sea temperature near Guamúchil in September
The nearest coast averages about 30°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 48 km away) is warmest in August at about 30°C and coldest in February near 20°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 20 | 20 | 20 | 22 | 25 | 28 | 30 | 30 | 30 | 29 | 26 | 22 |
| Comfort | Refreshing | Refreshing | Refreshing | Refreshing | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Warm | Refreshing |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 20 | Refreshing |
| Feb | 20 | Refreshing |
| Mar | 20 | Refreshing |
| Apr | 22 | Refreshing |
| May | 25 | Warm |
| Jun | 28 | Warm |
| Jul | 30 | Tropical |
| Aug | 30 | Tropical |
| Sep | 30 | Tropical |
| Oct | 29 | Tropical |
| Nov | 26 | Warm |
| Dec | 22 | Refreshing |
UV index in Guamúchil in September
Clear-sky midday UV in September peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Guamúchil peaks around July 17 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 5 (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) | 6 | 7 | 9 | 11 | 12 | 11 | 12 | 11 | 10 | 8 | 6 | 5 |
| Level | High | High | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | High | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 6 | High |
| Feb | 7 | High |
| Mar | 9 | Very high |
| Apr | 11 | Extreme |
| May | 12 | Extreme |
| Jun | 11 | Extreme |
| Jul | 12 | Extreme |
| Aug | 11 | Extreme |
| Sep | 10 | Extreme |
| Oct | 8 | Very high |
| Nov | 6 | High |
| Dec | 5 | Moderate |
Air quality in Guamúchil in September
Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.
Air quality in Guamúchil is worst in May — around 20 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (January, 8 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 8 | 9 | 10 | 11 | 20 | 16 | 14 | 11 | 11 | 10 | 9 | 8 |
| Level | Good | Good | Good | Good | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 8 | Good |
| Feb | 9 | Good |
| Mar | 10 | Good |
| Apr | 11 | Good |
| May | 20 | Moderate |
| Jun | 16 | Moderate |
| Jul | 14 | Moderate |
| Aug | 11 | Good |
| Sep | 11 | Good |
| Oct | 10 | Good |
| Nov | 9 | Good |
| Dec | 8 | Good |
Where is Guamúchil?
Guamúchil sits at 25.5°N, 108.1°W, 46 m above sea level, in Mexico. The nearest listed city is Guasave, 41 km away.
Topography around Guamúchil
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Guamúchil.
Within 3 km, the terrain around Guamúchil has only modest variations in elevation — a maximum elevation change of 118 m around an average of 54 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 615 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,277 m.
The land around Guamúchil is covered by artificial surfaces (41%) within 3 km, cropland (56%) within 16 km, and trees (37%) and cropland (27%) within 80 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 Guamúchil (25.4587°, -108.0773°, elevation 46 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).