Climate averages 1991–2020
Guasave weather
in September.
A hot, wet month: the 6th warmest and the 11th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Guasave: daytime highs average 33.1°C and nights cool to about 25.0°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 113 mm of rain on roughly 13 days, which makes September a wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 19 min on an average September day.
The nearest other city in this atlas is Guamúchil (41 km away). In September its highs average 32.6°C, about as warm as Guasave, with 131 mm of rain.
Among the 153 cities listed in Mexico, Guasave ranks joint 8th of 153 for the warmest September highs and 47th of 153 for the driest September (rainfall, lowest first). The mean September high of those 153 cities is 26.5°C; Guasave is 6.5°C warmer than that mean.
From September to October, average highs rise by 0.8°C to 33.9°C, and monthly rainfall falls from 113 mm to 33 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Guasave climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.9°C12.8°C | 12.8°C | 15 | 1.6 | 10.711 h |
| February | 27.8°C13.3°C | 13.3°C | 14 | 1.6 | 11.311 h |
| March | 29.8°C14.4°C | 14.4°C | 2.6 | 0.4 | 12.012 h |
| April | 32.1°C16.1°C | 16.1°C | 0.8 | 0.3 | 12.713 h |
| May | 34.3°C19.0°C | 19.0°C | 0.5 | 0.1 | 13.413 h |
| June | 35.4°C23.9°C | 23.9°C | 6.4 | 1.0 | 13.714 h |
| July | 34.8°C25.9°C | 25.9°C | 70 | 10.0 | 13.614 h |
| August | 34.0°C25.8°C | 25.8°C | 114 | 15.5 | 13.013 h |
| September, selected | 33.1°C25.0°C | 25.0°C | 113 | 13.0 | 12.312 h |
| October | 33.9°C22.1°C | 22.1°C | 33 | 3.4 | 11.612 h |
| November | 30.9°C17.1°C | 17.1°C | 31 | 2.2 | 10.911 h |
| December | 27.0°C13.4°C | 13.4°C | 15 | 1.9 | 10.611 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- Guamúchil in SeptemberMexico · 41 kmHigh 32.6°C · Low 24.5°C · 131 mm rain
- Los Mochis in SeptemberMexico · 59 kmHigh 33.3°C · Low 25.6°C · 102 mm rain
- Culiacán in SeptemberMexico · 138 kmHigh 31.8°C · Low 24.5°C · 174 mm rain
- Navojoa in SeptemberMexico · 193 kmHigh 35.0°C · Low 25.0°C · 90 mm rain
- La Paz, Mexico in SeptemberMexico · 244 kmHigh 32.9°C · Low 25.3°C · 61 mm rain
- Ciudad Obregón in SeptemberMexico · 259 kmHigh 35.5°C · Low 25.1°C · 82 mm rain
- San José del Cabo in SeptemberMexico · 306 kmHigh 31.4°C · Low 25.4°C · 140 mm rain
- Hidalgo del Parral in SeptemberMexico · 318 kmHigh 26.0°C · Low 15.2°C · 101 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Guasave) is explained once on the Guasave year overview and on the Sources, method and limits page.