September
September · June · May
United States · 1991–2020
September leads for comfortable weather in Bacchus: typically 26.4°C by day, 14.6°C at night, with 28 mm of rain. Based on measured 1991–2020 NOAA station history.
September · June · May
August · June · July
October · May · April
The weakest month is January, scoring 5 against September’s 91 — days reach only 3.5°C, 20° below the 24°C the score treats as ideal.
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 | 3.5°C | -4.2°C | 35 mm | 5.8 | 9 h 33 | 5 | Good coverage |
| February | 6.4°C | -1.8°C | 33 mm | 5.2 | 10 h 35 | 10 | Good coverage |
| March | 12.5°C | 2.5°C | 36 mm | 6.2 | 11 h 49 | 37 | Good coverage |
| April | 16.5°C | 5.8°C | 57 mm | 8 | 13 h 14 | 51 | Good coverage |
| May | 22.5°C | 11.1°C | 61 mm | 6.7 | 14 h 25 | 81 | Good coverage |
| June | 28.5°C | 16.2°C | 30 mm | 4 | 15 h 04 | 82 | Good coverage |
| July | 33.8°C | 21.5°C | 20 mm | 3.1 | 14 h 49 | 56 | Good coverage |
| August | 32.6°C | 20.4°C | 17 mm | 3.1 | 13 h 47 | 62 | Good coverage |
| September | 26.4°C | 14.6°C | 28 mm | 3.4 | 12 h 25 | 91 | Good coverage |
| October | 17.8°C | 7.5°C | 45 mm | 5.1 | 11 h 03 | 63 | Good coverage |
| November | 9.6°C | 1.2°C | 44 mm | 5.5 | 9 h 51 | 24 | Good coverage |
| December | 3.8°C | -3.6°C | 42 mm | 6 | 9 h 16 | 5 | Good coverage |
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 18.3°C27 Jan 1982 | -23.9°C12 Jan 1963 | 36 mm21 Jan 2012 | 92 mm1993 · driest 0 mm in 1961 | 67 |
| February | 23.9°C12 Feb 1951 | -20.0°C7 Feb 1989 | 36 mm1 Feb 1989 | 92 mm1998 · driest 0 mm in 1988 | 69 |
| March | 27.2°C31 Mar 2004 | -15.0°C1 Mar 1960 | 31 mm8 Mar 1986 | 106 mm1975 · driest 1 mm in 1956 | 67 |
| April | 31.7°C29 Apr 2007 | -5.0°C20 Apr 1966 | 64 mm21 Apr 1962 | 116 mm1984 · driest 1 mm in 1987 | 68 |
| May | 37.2°C31 May 1997 | -3.9°C5 May 1975 | 46 mm24 May 1997 | 174 mm1995 · driest 1 mm in 1972 | 68 |
| June | 40.6°C25 Jun 1988 | 1.7°C7 Jun 2005 | 42 mm11 Jun 1957 | 114 mm1964 · driest 0 mm in 2013 | 67 |
| July | 42.2°C13 Jul 2002 | 7.2°C22 Jul 1954 | 43 mm30 Jul 1982 | 92 mm2001 · driest 0 mm in 1980 | 67 |
| August | 40.6°C23 Aug 1982 | 5.6°C27 Aug 2004 | 70 mm20 Aug 1986 | 112 mm1983 · driest 0 mm in 1996 | 67 |
| September | 37.8°C2 Sep 1958 | -1.1°C18 Sep 1965 | 81 mm27 Sep 1982 | 248 mm1982 · driest 0 mm in 1952 | 66 |
| October | 37.2°C1 Oct 1997 | -7.8°C31 Oct 1991 | 51 mm20 Oct 2004 | 110 mm1981 · driest 0 mm in 1958 | 67 |
| November | 24.4°C10 Nov 1958 | -16.1°C26 Nov 1993 | 35 mm15 Nov 1958 | 101 mm2001 · driest 1 mm in 1959 | 66 |
| December | 22.2°C1 Dec 1995 | -21.7°C15 Dec 1972 | 51 mm4 Dec 2009 | 106 mm1992 · driest 0 mm in 1991 | 68 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) | Snow days |
|---|---|---|---|---|---|
| January | 0 | 0 | 25 | <1 | 4 |
| February | 0 | 0 | 20 | 1 | 2 |
| March | <1 | 0 | 9 | 1 | 1 |
| April | 2 | <1 | 2 | 2 | <1 |
| May | 11 | 4 | 0 | 2 | 0 |
| June | 22 | 14 | 0 | <1 | 0 |
| July | 30 | 27 | 0 | <1 | 0 |
| August | 30 | 25 | 0 | <1 | 0 |
| September | 20 | 7 | 0 | 1 | 0 |
| October | 3 | <1 | 1 | 2 | <1 |
| November | 0 | 0 | 13 | 1 | 2 |
| December | 0 | 0 | 25 | 1 | 4 |
| Month | Warm & dry days | Wet days | Washouts | Week with 3+ wet days | Daytime mean has ranged |
|---|---|---|---|---|---|
| January | 0% | 19% | 2% | 16% | -0.4–6.1°C |
| February | <1% | 19% | 3% | 16% | 2.3–8.7°C |
| March | 5% | 22% | 4% | 22% | 8.2–13.5°C |
| April | 23% | 25% | 6% | 28% | 12.9–18.7°C |
| May | 57% | 22% | 7% | 22% | 18.8–24.6°C |
| June | 83% | 13% | 3% | 11% | 24.9–30.4°C |
| July | 91% | 9% | 2% | 4% | 31.3–34.9°C |
| August | 89% | 10% | 2% | 5% | 29.9–33.3°C |
| September | 77% | 13% | 4% | 11% | 23.3–27.8°C |
| October | 34% | 15% | 5% | 14% | 15.3–19.9°C |
| November | 2% | 19% | 5% | 18% | 6.6–12.1°C |
| December | <1% | 19% | 3% | 17% | 0.8–5.8°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