September
September · June · August
United States · 1991–2020
September leads for comfortable weather in Clare: typically 22.7°C by day, 10.7°C at night, with 67 mm of rain. Based on measured 1991–2020 NOAA station history.
September · June · August
July · August · June
September · May · June
The weakest month is January, scoring 5 against September’s 80 — days reach only -1.6°C, 26° 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 | -1.6°C | -8.9°C | 53 mm | 6.4 | 9 h 15 | 5 | Good coverage |
| February | -0.1°C | -8.6°C | 43 mm | 5.1 | 10 h 24 | 5 | Good coverage |
| March | 5.8°C | -4.5°C | 45 mm | 5.1 | 11 h 47 | 5 | Good coverage |
| April | 12.8°C | 1.1°C | 96 mm | 8.8 | 13 h 22 | 24 | Good coverage |
| May | 20.5°C | 7.9°C | 95 mm | 9.5 | 14 h 42 | 61 | Good coverage |
| June | 25.9°C | 13.4°C | 95 mm | 8 | 15 h 26 | 78 | Good coverage |
| July | 28.6°C | 16.2°C | 78 mm | 7.2 | 15 h 09 | 73 | Good coverage |
| August | 27.3°C | 15.3°C | 93 mm | 7.4 | 13 h 59 | 76 | Good coverage |
| September | 22.7°C | 10.7°C | 67 mm | 6.9 | 12 h 27 | 80 | Good coverage |
| October | 15°C | 4.8°C | 96 mm | 9.5 | 10 h 56 | 38 | Good coverage |
| November | 7.6°C | -0.6°C | 71 mm | 7.6 | 9 h 35 | 9 | Good coverage |
| December | 1.3°C | -5.4°C | 52 mm | 5.6 | 8 h 56 | 5 | Good 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 | 15.6°C26 Jan 1950 | -31.7°C28 Jan 1925 | 89 mm18 Jan 2004 | 146 mm2004 · driest 0 mm in 2009 | 118 |
| February | 22.8°C28 Feb 2024 | -34.4°C5 Feb 1918 | 51 mm22 Feb 1922 | 97 mm1908 · driest 0 mm in 1920 | 119 |
| March | 30.6°C22 Mar 2012 | -27.8°C3 Mar 1943 | 55 mm2 Mar 1976 | 135 mm1976 · driest 0 mm in 1910 | 121 |
| April | 32.8°C17 Apr 2002 | -19.4°C1 Apr 1923 | 85 mm30 Apr 1963 | 201 mm2026 · driest 4 mm in 1911 | 118 |
| May | 36.1°C30 May 2006 | -6.7°C13 May 1901 | 82 mm16 May 2001 | 180 mm2004 · driest 3 mm in 1988 | 119 |
| June | 39.4°C28 Jun 1901 | -3.9°C4 Jun 1907 | 194 mm23 Jun 2017 | 382 mm2017 · driest 5 mm in 1921 | 119 |
| July | 41.1°C13 Jul 1936 | -0.6°C3 Jul 1900 | 108 mm8 Jul 1957 | 256 mm2023 · driest 5 mm in 1921 | 113 |
| August | 42.2°C6 Aug 1918 | 2.2°C21 Aug 1907 | 102 mm12 Aug 2010 | 258 mm1975 · driest 1 mm in 1927 | 115 |
| September | 37.2°C1 Sep 1953 | -2.8°C22 Sep 1974 | 238 mm11 Sep 1986 | 392 mm1986 · driest 1 mm in 1979 | 109 |
| October | 31.1°C17 Oct 1938 | -10.6°C26 Oct 1907 | 107 mm24 Oct 2017 | 208 mm2019 · driest 4 mm in 1952 | 112 |
| November | 25.0°C1 Nov 1950 | -21.1°C25 Nov 1950 | 60 mm2 Nov 1982 | 154 mm2005 · driest 5 mm in 1901 | 115 |
| December | 20.6°C6 Dec 2001 | -25.6°C31 Dec 1976 | 89 mm25 Dec 2003 | 162 mm2003 · driest 3 mm in 1920 | 117 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) | Snow days |
|---|---|---|---|---|---|
| January | 0 | 0 | 28 | 2 | 4 |
| February | 0 | 0 | 26 | 1 | 3 |
| March | <1 | 0 | 25 | 2 | 2 |
| April | 2 | <1 | 13 | 3 | <1 |
| May | 8 | 2 | 1 | 3 | 0 |
| June | 19 | 7 | 0 | 3 | 0 |
| July | 26 | 12 | 0 | 3 | 0 |
| August | 24 | 8 | 0 | 3 | 0 |
| September | 11 | 3 | <1 | 2 | 0 |
| October | 2 | 0 | 4 | 3 | <1 |
| November | 0 | 0 | 17 | 3 | 1 |
| December | 0 | 0 | 27 | 2 | 5 |
The best month has moved. On the 1961–1990 numbers the strongest month here was June (scoring 82); on 2011–2025 it is September (87). 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% | 22% | 4% | 18% | -4.4–1.7°C |
| February | 0% | 20% | 4% | 15% | -3.6–2.9°C |
| March | 2% | 21% | 6% | 19% | 2.3–9.1°C |
| April | 14% | 28% | 9% | 33% | 10.5–16.3°C |
| May | 44% | 28% | 9% | 29% | 17.7–23.5°C |
| June | 70% | 26% | 9% | 25% | 23.7–28.3°C |
| July | 76% | 24% | 7% | 20% | 27.1–31.3°C |
| August | 76% | 23% | 9% | 20% | 25.6–29.8°C |
| September | 58% | 25% | 9% | 25% | 20.7–25.4°C |
| October | 22% | 25% | 7% | 28% | 13.2–19.7°C |
| November | 2% | 25% | 7% | 24% | 5.0–11.0°C |
| December | 0% | 21% | 5% | 19% | -1.8–3.6°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