September
September · June · August
United States · 1991–2020
September leads for comfortable weather in Kerby: typically 24.1°C by day, 9.9°C at night, with 71 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 82 — days reach only -0.8°C, 25° 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 | -0.8°C | -9.7°C | 53 mm | 9 | 9 h 20 | 5 | Good coverage |
| February | 0.4°C | -10.1°C | 46 mm | 6.8 | 10 h 27 | 5 | Good coverage |
| March | 6.8°C | -4.9°C | 54 mm | 7.1 | 11 h 47 | 5 | Good coverage |
| April | 14.5°C | 0.7°C | 85 mm | 9 | 13 h 20 | 30 | Good coverage |
| May | 21.1°C | 7°C | 114 mm | 10 | 14 h 38 | 59 | Good coverage |
| June | 26.1°C | 12.5°C | 77 mm | 8.4 | 15 h 20 | 78 | Good coverage |
| July | 28.5°C | 14.6°C | 86 mm | 7.3 | 15 h 03 | 74 | Good coverage |
| August | 27.2°C | 13.7°C | 83 mm | 7.4 | 13 h 56 | 76 | Good coverage |
| September | 24.1°C | 9.9°C | 71 mm | 7.4 | 12 h 26 | 82 | Good coverage |
| October | 16.2°C | 4.4°C | 77 mm | 9.8 | 10 h 57 | 43 | Good coverage |
| November | 9.1°C | -1.1°C | 67 mm | 8.1 | 9 h 40 | 13 | Good coverage |
| December | 2.2°C | -5.7°C | 49 mm | 8.9 | 9 h 01 | 5 | Good coverage |
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 16.1°C7 Jan 2008 | -27.2°C13 Jan 2009 | 24 mm6 Jan 2014 | 93 mm2013 · driest 13 mm in 2003 | 17 |
| February | 18.3°C19 Feb 2017 | -32.2°C21 Feb 2015 | 60 mm21 Feb 2018 | 116 mm2018 · driest 9 mm in 2007 | 17 |
| March | 30.6°C22 Mar 2012 | -27.2°C4 Mar 2014 | 32 mm31 Mar 2017 | 108 mm2016 · driest 18 mm in 2010 | 17 |
| April | 30.6°C16 Apr 2002 | -8.9°C9 Apr 2018 | 48 mm21 Apr 2017 | 204 mm2013 · driest 15 mm in 2012 | 17 |
| May | 33.9°C29 May 2012 | -2.8°C3 May 2005 | 99 mm4 May 2012 | 231 mm2004 · driest 34 mm in 2008 | 17 |
| June | 36.7°C29 Jun 2012 | 2.2°C1 Jun 2003 | 72 mm17 Jun 2009 | 129 mm2007 · driest 19 mm in 2016 | 17 |
| July | 38.3°C18 Jul 2012 | 6.1°C12 Jul 2002 | 121 mm27 Jul 2011 | 160 mm2005 · driest 27 mm in 2018 | 17 |
| August | 36.7°C21 Aug 2003 | 5.0°C26 Aug 2017 | 118 mm28 Aug 2013 | 176 mm2007 · driest 8 mm in 2010 | 17 |
| September | 35.0°C1 Sep 2012 | -0.6°C29 Sep 2006 | 70 mm14 Sep 2008 | 215 mm2008 · driest 14 mm in 2002 | 17 |
| October | 31.1°C8 Oct 2007 | -5.0°C17 Oct 2002 | 42 mm15 Oct 2017 | 124 mm2017 · driest 27 mm in 2005 | 17 |
| November | 26.7°C5 Nov 2015 | -16.7°C22 Nov 2014 | 44 mm2 Nov 2003 | 169 mm2003 · driest 11 mm in 2012 | 17 |
| December | 21.1°C5 Dec 2001 | -24.4°C29 Dec 2017 | 24 mm25 Dec 2014 | 86 mm2008 · driest 20 mm in 2013 | 17 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) | Snow days |
|---|---|---|---|---|---|
| January | 0 | 0 | 27 | 2 | 12 |
| February | 0 | 0 | 25 | 1 | 10 |
| March | <1 | <1 | 24 | 2 | 5 |
| April | 2 | <1 | 15 | 3 | 2 |
| May | 9 | 2 | 2 | 4 | 0 |
| June | 19 | 6 | 0 | 2 | 0 |
| July | 26 | 11 | 0 | 3 | 0 |
| August | 25 | 7 | 0 | 2 | 0 |
| September | 14 | 3 | <1 | 2 | 0 |
| October | 3 | <1 | 7 | 2 | <1 |
| November | <1 | 0 | 18 | 2 | 3 |
| December | 0 | 0 | 25 | 1 | 9 |
| Month | Warm & dry days | Wet days | Washouts | Week with 3+ wet days | Daytime mean has ranged |
|---|---|---|---|---|---|
| January | 0% | 29% | 5% | 35% | -3.8–2.6°C |
| February | 0% | 24% | 4% | 27% | -3.7–3.5°C |
| March | 4% | 23% | 6% | 25% | 4.2–9.7°C |
| April | 15% | 30% | 9% | 39% | 11.9–16.7°C |
| May | 42% | 32% | 12% | 41% | 19.3–23.3°C |
| June | 69% | 28% | 8% | 30% | 24.8–27.2°C |
| July | 75% | 24% | 9% | 23% | 26.3–31.1°C |
| August | 75% | 24% | 7% | 24% | 25.9–28.6°C |
| September | 64% | 25% | 8% | 30% | 22.5–26.1°C |
| October | 19% | 32% | 7% | 36% | 13.8–18.5°C |
| November | 3% | 27% | 8% | 29% | 6.0–12.3°C |
| December | <1% | 29% | 4% | 31% | -0.6–4.8°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