September
September · August · July
United States · 1991–2020
September leads for comfortable weather in Lookout: typically 23.6°C by day, 9.9°C at night, with 98 mm of rain. Based on measured 1991–2020 NOAA station history.
September · August · July
July · August · June
September · May · October
The weakest month is January, scoring 5 against September’s 77 — days reach only -3°C, 27° 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°C | -14.1°C | 28 mm | 6.1 | 9 h 11 | 5 | Strong coverage |
| February | 0.1°C | -12°C | 29 mm | 5.5 | 10 h 22 | 5 | Strong coverage |
| March | 7.3°C | -5.4°C | 54 mm | 6.9 | 11 h 46 | 5 | Strong coverage |
| April | 15.7°C | 1°C | 86 mm | 9.3 | 13 h 24 | 35 | Strong coverage |
| May | 22.4°C | 7.6°C | 108 mm | 10.4 | 14 h 46 | 64 | Strong coverage |
| June | 27.1°C | 13.3°C | 133 mm | 10.8 | 15 h 31 | 66 | Strong coverage |
| July | 29.3°C | 15.4°C | 105 mm | 8.9 | 15 h 13 | 67 | Strong coverage |
| August | 28°C | 14.3°C | 124 mm | 9.1 | 14 h 02 | 68 | Strong coverage |
| September | 23.6°C | 9.9°C | 98 mm | 7.8 | 12 h 28 | 77 | Strong coverage |
| October | 16.1°C | 3°C | 61 mm | 7.3 | 10 h 54 | 45 | Strong coverage |
| November | 6.9°C | -3.5°C | 50 mm | 6 | 9 h 32 | 5 | Strong coverage |
| December | -0.3°C | -10.1°C | 36 mm | 6.5 | 8 h 51 | 5 | Strong coverage |
What has changed
Each bar compares the 2011–2025 daytime average for that month against the same month in 1961–1990, measured at the same station. Months where the older record is too thin to compare are left blank.
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 13.9°C31 Jan 2024 | -42.8°C30 Jan 1951 | 41 mm21 Jan 1917 | 105 mm1967 · driest 0 mm in 1948 | 112 |
| February | 18.9°C26 Feb 2024 | -41.7°C16 Feb 1936 | 42 mm29 Feb 2012 | 101 mm2019 · driest 0 mm in 1947 | 115 |
| March | 28.9°C26 Mar 2007 | -36.7°C1 Mar 1962 | 48 mm31 Mar 1993 | 139 mm1920 · driest 0 mm in 1910 | 112 |
| April | 33.3°C26 Apr 1939 | -20.6°C1 Apr 1924 | 74 mm9 Apr 1980 | 189 mm1999 · driest 4 mm in 1947 | 113 |
| May | 42.2°C31 May 1934 | -7.8°C3 May 2005 | 80 mm23 May 1975 | 222 mm2013 · driest 0 mm in 1963 | 115 |
| June | 38.9°C1 Jun 1934 | -1.7°C4 Jun 1945 | 121 mm26 Jun 1920 | 281 mm1925 · driest 8 mm in 1910 | 114 |
| July | 43.3°C14 Jul 1936 | 2.2°C26 Jul 1946 | 107 mm27 Jul 2011 | 252 mm1987 · driest 0 mm in 1936 | 116 |
| August | 40.0°C24 Aug 1948 | 0.0°C21 Aug 2004 | 152 mm11 Aug 2016 | 308 mm2016 · driest 9 mm in 1963 | 110 |
| September | 38.3°C7 Sep 1978 | -6.1°C25 Sep 1947 | 160 mm16 Sep 1992 | 270 mm1986 · driest 2 mm in 1945 | 109 |
| October | 35.6°C3 Oct 1938 | -13.3°C30 Oct 1925 | 79 mm15 Oct 1966 | 202 mm1911 · driest 0 mm in 1952 | 110 |
| November | 26.1°C3 Nov 2020 | -25.0°C26 Nov 1991 | 105 mm1 Nov 1991 | 243 mm1991 · driest 0 mm in 1935 | 110 |
| December | 18.3°C1 Dec 1998 | -38.9°C19 Dec 1983 | 54 mm14 Dec 2015 | 111 mm2015 · driest 0 mm in 1980 | 115 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) | Snow days |
|---|---|---|---|---|---|
| January | 0 | 0 | 31 | <1 | 9 |
| February | 0 | 0 | 27 | <1 | 8 |
| March | <1 | 0 | 25 | 2 | 5 |
| April | 3 | <1 | 14 | 3 | 2 |
| May | 10 | 2 | 3 | 4 | <1 |
| June | 23 | 7 | 0 | 4 | 0 |
| July | 28 | 14 | 0 | 3 | 0 |
| August | 27 | 9 | 0 | 4 | 0 |
| September | 14 | 3 | 1 | 3 | 0 |
| October | 3 | <1 | 11 | 2 | <1 |
| November | <1 | 0 | 22 | 2 | 4 |
| December | 0 | 0 | 29 | <1 | 9 |
The best month has moved. On the 1961–1990 numbers the strongest month here was June (scoring 80); on 2011–2025 it is September (82). Both are scored the same way, from the same station — only the climate underneath changed.
| Month | Warm & dry days | Wet days | Washouts | Week with 3+ wet days | Daytime mean has ranged |
|---|---|---|---|---|---|
| January | 0% | 17% | 2% | 11% | -8.9–0.0°C |
| February | 0% | 15% | 3% | 10% | -4.9–3.2°C |
| March | 3% | 20% | 6% | 18% | 1.2–10.7°C |
| April | 20% | 27% | 8% | 32% | 11.0–18.4°C |
| May | 48% | 30% | 11% | 35% | 18.8–24.8°C |
| June | 64% | 31% | 13% | 36% | 23.8–29.0°C |
| July | 74% | 25% | 11% | 25% | 26.5–31.3°C |
| August | 73% | 26% | 11% | 24% | 25.4–29.9°C |
| September | 54% | 25% | 10% | 26% | 20.3–25.9°C |
| October | 26% | 20% | 6% | 18% | 12.9–18.9°C |
| November | 2% | 18% | 6% | 16% | 2.3–9.7°C |
| December | 0% | 18% | 3% | 12% | -5.9–2.2°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