September
September · July · October
Mexico · 1991–2020
September leads for comfortable weather in El Salitrillo: typically 24°C by day, 11.1°C at night, with 60 mm of rain. Based on measured 1991–2020 NOAA station history.
September · July · October
May · June · April
January · October · December
The weakest month is January, scoring 63 against September’s 87 — nights drop to 1.6°C.
Month by month
The bars show the comfort score. Day and night temperatures come from daily observed highs and lows; rain is the historical monthly estimate.
| Month | Day | Night | Rain | Wet days | Daylight | Comfort | Coverage |
|---|---|---|---|---|---|---|---|
| January | 19.9°C | 1.6°C | 17 mm | 1.9 | 10 h 53 | 63 | Good coverage |
| February | 22°C | 3.2°C | 11 mm | 1.6 | 11 h 22 | 72 | Good coverage |
| March | 25°C | 5.2°C | 6 mm | 0.8 | 11 h 57 | 79 | Good coverage |
| April | 27.5°C | 7.8°C | 8 mm | 1.2 | 12 h 39 | 75 | Good coverage |
| May | 28.9°C | 10.4°C | 29 mm | 4.1 | 13 h 13 | 75 | Good coverage |
| June | 27.3°C | 12.2°C | 47 mm | 5.6 | 13 h 31 | 80 | Good coverage |
| July | 25.3°C | 11.8°C | 55 mm | 5.7 | 13 h 24 | 85 | Good coverage |
| August | 25.5°C | 11.6°C | 57 mm | 4.9 | 12 h 55 | 84 | Good coverage |
| September | 24°C | 11.1°C | 60 mm | 5.7 | 12 h 15 | 87 | Good coverage |
| October | 23.3°C | 7.9°C | 24 mm | 3.1 | 11 h 35 | 85 | Good coverage |
| November | 22.1°C | 4.3°C | 7 mm | 1.1 | 11 h 01 | 74 | Good coverage |
| December | 20.6°C | 2.2°C | 4 mm | 0.8 | 10 h 45 | 66 | Good coverage |
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 28.9°C24 Jan 2008 | -9.4°C18 Jan 2006 | 140 mm12 Jan 1987 | 350 mm1987 · driest 0 mm in 2000 | 28 |
| February | 30.6°C1 Feb 1986 | -6.1°C14 Feb 1999 | 28 mm11 Feb 2012 | 70 mm2012 · driest 0 mm in 1999 | 28 |
| March | 31.7°C13 Mar 2006 | -4.4°C4 Mar 2002 | 23 mm30 Mar 2004 | 59 mm2004 · driest 0 mm in 1990 | 29 |
| April | 36.7°C28 Apr 1990 | 0.0°C1 Apr 2003 | 70 mm28 Apr 1987 | 155 mm1987 · driest 0 mm in 1995 | 29 |
| May | 35.6°C20 May 1986 | 3.9°C1 May 1998 | 45 mm20 May 2000 | 86 mm1987 · driest 0 mm in 1998 | 29 |
| June | 38.9°C8 Jun 1989 | 5.0°C1 Jun 1984 | 85 mm21 Jun 1985 | 294 mm1986 · driest 0 mm in 2006 | 28 |
| July | 38.9°C6 Jul 1987 | 5.6°C15 Jul 1999 | 85 mm1 Jul 1988 | 309 mm1988 · driest 0 mm in 1989 | 29 |
| August | 40.0°C14 Aug 1987 | 5.6°C31 Aug 1984 | 81 mm12 Aug 2005 | 217 mm2008 · driest 3 mm in 2009 | 29 |
| September | 40.0°C17 Sep 1987 | 1.7°C30 Sep 2000 | 63 mm3 Sep 2011 | 160 mm1996 · driest 0 mm in 1989 | 28 |
| October | 35.6°C19 Oct 1987 | -2.2°C24 Oct 1999 | 63 mm8 Oct 1994 | 77 mm1992 · driest 0 mm in 1988 | 27 |
| November | 31.7°C6 Nov 1989 | -9.4°C29 Nov 2011 | 21 mm3 Nov 2002 | 24 mm2002 · driest 0 mm in 1998 | 26 |
| December | 30.0°C19 Dec 1988 | -9.4°C20 Dec 2003 | 40 mm29 Dec 1984 | 63 mm1984 · driest 0 mm in 1999 | 27 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) |
|---|---|---|---|---|
| January | 3 | 0 | 11 | <1 |
| February | 8 | <1 | 6 | <1 |
| March | 20 | 2 | 2 | <1 |
| April | 25 | 10 | <1 | <1 |
| May | 28 | 14 | 0 | <1 |
| June | 25 | 8 | 0 | 2 |
| July | 21 | 2 | 0 | 2 |
| August | 22 | <1 | 0 | 2 |
| September | 14 | <1 | 0 | 2 |
| October | 13 | <1 | 1 | <1 |
| November | 8 | 0 | 4 | <1 |
| December | 3 | 0 | 9 | 0 |
| Month | Warm & dry days | Wet days | Washouts | Week with 3+ wet days | Daytime mean has ranged |
|---|---|---|---|---|---|
| January | 66% | 6% | 2% | 4% | 18.2–21.8°C |
| February | 80% | 6% | <1% | 4% | 19.3–24.5°C |
| March | 90% | 2% | <1% | <1% | 23.0–26.4°C |
| April | 92% | 5% | 2% | 4% | 24.3–29.3°C |
| May | 86% | 14% | 3% | 11% | 25.6–30.4°C |
| June | 80% | 19% | 8% | 22% | 25.2–28.9°C |
| July | 80% | 19% | 7% | 17% | 23.6–27.2°C |
| August | 83% | 16% | 6% | 15% | 23.8–27.3°C |
| September | 78% | 18% | 7% | 17% | 22.5–25.6°C |
| October | 80% | 10% | 3% | 6% | 21.0–25.0°C |
| November | 81% | 3% | <1% | <1% | 20.5–23.9°C |
| December | 69% | 4% | <1% | 2% | 19.0–22.7°C |
A warm and dry day reaches 20°C with under 1 mm of rain; a wet day gets 1 mm or more; a washout gets 10 mm or more. The week column is the share of seven-day stretches in that month, across the station’s whole daily record, that contained three or more wet days — the odds a week-long trip is rained on repeatedly, counted rather than modelled. The last column is the 10th to 90th percentile of that month’s daytime average across individual years: a narrow band means the average is what you will get, a wide one means the average is a midpoint between years that felt quite different.
The evidence behind this page