Climate averages 1991–2020
Tecomán weather
in September.
A hot, very wet month: one of the coolest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Tecomán: daytime highs average 29.6°C and nights cool to about 24.2°C. By daytime temperature it is one of the coolest months of the year.
Expect about 310 mm of rain on roughly 26 days, which makes September a very wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 16 min on an average September day.
The nearest other city in this atlas is Colima (40 km away). In September its highs average 27.8°C, 1.8°C cooler than Tecomán, with 247 mm of rain.
Among the 153 cities listed in Mexico, Tecomán ranks joint 47th of 153 for the warmest September highs and 140th of 153 for the driest September (rainfall, lowest first). The mean September high of those 153 cities is 26.5°C; Tecomán is 3.1°C warmer than that mean.
From September to October, average highs rise by 0.2°C to 29.8°C, and monthly rainfall falls from 310 mm to 168 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
Tecomán climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.6°C20.7°C | 20.7°C | 22 | 1.4 | 11.111 h |
| February | 29.6°C20.6°C | 20.6°C | 12 | 1.2 | 11.512 h |
| March | 29.9°C20.6°C | 20.6°C | 9.3 | 0.6 | 12.012 h |
| April | 30.5°C21.3°C | 21.3°C | 0.5 | 0.1 | 12.613 h |
| May | 31.4°C23.0°C | 23.0°C | 9.3 | 1.7 | 13.013 h |
| June | 30.8°C24.6°C | 24.6°C | 172 | 17.7 | 13.213 h |
| July | 30.7°C24.7°C | 24.7°C | 217 | 24.1 | 13.113 h |
| August | 30.4°C24.6°C | 24.6°C | 268 | 25.9 | 12.813 h |
| September, selected | 29.6°C24.2°C | 24.2°C | 310 | 26.2 | 12.312 h |
| October | 29.8°C24.2°C | 24.2°C | 168 | 19.0 | 11.712 h |
| November | 30.0°C23.2°C | 23.2°C | 32 | 5.1 | 11.311 h |
| December | 29.7°C21.5°C | 21.5°C | 12 | 1.8 | 11.011 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
- Colima in SeptemberMexico · 40 kmHigh 27.8°C · Low 19.7°C · 247 mm rain
- Ciudad de Villa de Álvarez in SeptemberMexico · 42 kmHigh 28.3°C · Low 19.9°C · 247 mm rain
- Manzanillo, Mexico in SeptemberMexico · 54 kmHigh 28.8°C · Low 24.4°C · 283 mm rain
- Ciudad Guzmán in SeptemberMexico · 98 kmHigh 24.6°C · Low 16.1°C · 186 mm rain
- Apatzingán in SeptemberMexico · 161 kmHigh 29.9°C · Low 21.1°C · 156 mm rain
- Hacienda Santa Fe in SeptemberMexico · 186 kmHigh 25.2°C · Low 16.6°C · 139 mm rain
- Ocotlán in SeptemberMexico · 197 kmHigh 25.5°C · Low 15.5°C · 95 mm rain
- Uruapan in SeptemberMexico · 199 kmHigh 23.8°C · Low 15.1°C · 311 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 Tecomán) is explained once on the Tecomán year overview and on the Sources, method and limits page.