September
September · May · June
United States · 1991–2020
September leads for comfortable weather in Balfour: typically 25.3°C by day, 14.2°C at night, with 123 mm of rain. Based on measured 1991–2020 NOAA station history.
September · May · June
July · August · June
October · April · May
The weakest month is January, scoring 5 against September’s 78 — days reach only 9°C, 15° below the 24°C the score treats as ideal, and nights drop to -2.2°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 | 9°C | -2.2°C | 131 mm | 8.5 | 10 h 01 | 5 | Strong coverage |
| February | 11.4°C | -0.9°C | 110 mm | 7.7 | 10 h 51 | 15 | Strong coverage |
| March | 15.1°C | 2.4°C | 125 mm | 9.7 | 11 h 52 | 29 | Strong coverage |
| April | 20.4°C | 6.7°C | 125 mm | 8.4 | 13 h 02 | 56 | Strong coverage |
| May | 24.2°C | 11.7°C | 112 mm | 9 | 14 h 00 | 77 | Strong coverage |
| June | 27.5°C | 16°C | 128 mm | 10.2 | 14 h 32 | 67 | Strong coverage |
| July | 29.2°C | 18.2°C | 147 mm | 11.6 | 14 h 19 | 54 | Strong coverage |
| August | 28.3°C | 17.7°C | 141 mm | 11 | 13 h 29 | 59 | Strong coverage |
| September | 25.3°C | 14.2°C | 123 mm | 7.7 | 12 h 21 | 78 | Strong coverage |
| October | 20.4°C | 7.7°C | 103 mm | 6.5 | 11 h 14 | 62 | Strong coverage |
| November | 14.9°C | 2°C | 115 mm | 7.1 | 10 h 15 | 32 | Strong coverage |
| December | 10.5°C | -0.7°C | 133 mm | 8.4 | 9 h 47 | 8 | 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 | 26.1°C25 Jan 1943 | -25.6°C21 Jan 1985 | 145 mm8 Jan 1998 | 315 mm1906 · driest 10 mm in 1907 | 128 |
| February | 28.9°C25 Feb 1930 | -22.8°C13 Feb 1899 | 127 mm13 Feb 1966 | 271 mm1939 · driest 12 mm in 1978 | 127 |
| March | 31.1°C22 Mar 1907 | -18.9°C15 Mar 1993 | 122 mm17 Mar 1990 | 296 mm1952 · driest 12 mm in 2007 | 128 |
| April | 32.8°C6 Apr 2010 | -8.9°C1 Apr 1923 | 96 mm20 Apr 2019 | 241 mm1920 · driest 3 mm in 1976 | 128 |
| May | 34.4°C21 May 1941 | -6.7°C10 May 1906 | 210 mm20 May 1942 | 422 mm2018 · driest 16 mm in 2007 | 127 |
| June | 36.7°C30 Jun 2012 | 1.7°C2 Jun 1966 | 121 mm27 Jun 2005 | 361 mm2005 · driest 16 mm in 1993 | 128 |
| July | 37.8°C28 Jul 1952 | 7.2°C5 Jul 1933 | 252 mm16 Jul 1916 | 561 mm1916 · driest 20 mm in 1998 | 128 |
| August | 38.3°C23 Aug 1983 | 4.4°C29 Aug 1968 | 233 mm24 Aug 1961 | 675 mm1901 · driest 13 mm in 1925 | 125 |
| September | 36.7°C1 Sep 1921 | -1.1°C30 Sep 1967 | 226 mm27 Sep 2024 | 505 mm2004 · driest 4 mm in 1984 | 124 |
| October | 33.3°C5 Oct 1941 | -8.3°C30 Oct 1952 | 159 mm15 Oct 1914 | 371 mm1918 · driest 0 mm in 1904 | 126 |
| November | 27.2°C2 Nov 1974 | -18.9°C26 Nov 1950 | 112 mm29 Nov 1914 | 319 mm1948 · driest 5 mm in 1910 | 126 |
| December | 25.0°C18 Dec 1984 | -20.0°C25 Dec 1983 | 136 mm1 Dec 2010 | 326 mm1918 · driest 6 mm in 1965 | 127 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) | Snow days |
|---|---|---|---|---|---|
| January | 0 | 0 | 18 | 4 | <1 |
| February | <1 | 0 | 16 | 4 | <1 |
| March | 1 | 0 | 10 | 4 | <1 |
| April | 6 | <1 | 2 | 4 | 0 |
| May | 14 | 2 | 0 | 4 | 0 |
| June | 24 | 8 | 0 | 4 | 0 |
| July | 28 | 14 | 0 | 5 | 0 |
| August | 27 | 9 | 0 | 4 | 0 |
| September | 17 | 3 | 0 | 3 | 0 |
| October | 4 | <1 | 2 | 3 | 0 |
| November | <1 | 0 | 12 | 3 | <1 |
| December | 0 | 0 | 17 | 4 | <1 |
| Month | Warm & dry days | Wet days | Washouts | Week with 3+ wet days | Daytime mean has ranged |
|---|---|---|---|---|---|
| January | 3% | 27% | 12% | 30% | 6.0–13.0°C |
| February | 6% | 29% | 13% | 32% | 8.4–14.3°C |
| March | 19% | 31% | 14% | 35% | 12.5–18.7°C |
| April | 47% | 27% | 12% | 32% | 18.6–22.8°C |
| May | 61% | 32% | 13% | 41% | 22.7–26.3°C |
| June | 64% | 35% | 14% | 46% | 26.0–29.9°C |
| July | 60% | 40% | 15% | 54% | 27.7–30.8°C |
| August | 64% | 36% | 14% | 47% | 27.1–30.2°C |
| September | 70% | 27% | 11% | 29% | 24.0–27.8°C |
| October | 51% | 21% | 10% | 20% | 18.8–22.6°C |
| November | 17% | 23% | 10% | 22% | 12.5–17.6°C |
| December | 4% | 27% | 12% | 29% | 7.6–13.1°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