September
September · August · June
82climate match
United States · 1991–2020
Best time to visit
Britton.
September leads for comfortable weather in Britton: typically 23.4°C by day, 9.7°C at night, with 65 mm of rain. Based on measured 1991–2020 NOAA station history.
Best comfortSeptember
Typical high23.4°C
Typical low9.7°C
Rain in September65 mm
August
August · July · June
71climate match
September
September · May · October
80climate match
The weakest month is January, scoring 5 against September’s 82 — days reach only -5.6°C, 30° below the 24°C the score treats as ideal.
Month by month
The whole year,
without the guesswork.
The bars show the comfort score. Day and night temperatures come from daily observed highs and lows; rain is the historical monthly estimate.
Jan
5-5.6° / -16.2°
Feb
5-3° / -13.9°
Mar
54.5° / -6.6°
Apr
3413.4° / 0.5°
May
6621° / 7.4°
Jun
7526.4° / 13.5°
Jul
6728.9° / 16°
Aug
7928° / 14.8°
Sep
8223.4° / 9.7°
Oct
4214.9° / 2.3°
Nov
54.9° / -5.7°
Dec
5-2.7° / -12.4°
| Month | Day | Night | Rain | Wet days | Daylight | Comfort | Coverage |
|---|---|---|---|---|---|---|---|
| January | -5.6°C | -16.2°C | 16 mm | 3.6 | 9 h 02 | 5 | Strong coverage |
| February | -3°C | -13.9°C | 16 mm | 3.8 | 10 h 17 | 5 | Strong coverage |
| March | 4.5°C | -6.6°C | 23 mm | 3.9 | 11 h 46 | 5 | Strong coverage |
| April | 13.4°C | 0.5°C | 50 mm | 5.6 | 13 h 28 | 34 | Strong coverage |
| May | 21°C | 7.4°C | 77 mm | 7.9 | 14 h 54 | 66 | Strong coverage |
| June | 26.4°C | 13.5°C | 102 mm | 8.6 | 15 h 42 | 75 | Strong coverage |
| July | 28.9°C | 16°C | 111 mm | 8 | 15 h 23 | 67 | Strong coverage |
| August | 28°C | 14.8°C | 63 mm | 6.7 | 14 h 08 | 79 | Strong coverage |
| September | 23.4°C | 9.7°C | 65 mm | 5.8 | 12 h 29 | 82 | Strong coverage |
| October | 14.9°C | 2.3°C | 56 mm | 5.4 | 10 h 51 | 42 | Strong coverage |
| November | 4.9°C | -5.7°C | 19 mm | 3.6 | 9 h 24 | 5 | Strong coverage |
| December | -2.7°C | -12.4°C | 17 mm | 3.9 | 8 h 41 | 5 | Strong coverage |
What has changed
Britton runs -0.4°C
on the 1961–1990 baseline.
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.
Jan
+1.0
Feb
-1.8
Mar
+0.2
Apr
-3.1
May
-1.0
Jun
+0.7
Jul
-1.0
Aug
-1.7
Sep
+1.1
Oct
-1.1
Nov
+0.5
Dec
+1.2
| Month | Record high | Record low | Wettest day | Wettest / driest month | Years |
|---|---|---|---|---|---|
| January | 18.9°C24 Jan 1981 | -42.2°C13 Jan 1916 | 24 mm7 Jan 1989 | 68 mm1916 · driest 0 mm in 1893 | 116 |
| February | 19.4°C25 Feb 1958 | -41.1°C16 Feb 1936 | 37 mm13 Feb 1915 | 74 mm1922 · driest 0 mm in 1968 | 115 |
| March | 28.9°C28 Mar 1946 | -33.9°C3 Mar 2019 | 32 mm31 Mar 2009 | 75 mm1995 · driest 0 mm in 2005 | 112 |
| April | 37.8°C21 Apr 1980 | -19.4°C7 Apr 1936 | 55 mm16 Apr 2003 | 185 mm1986 · driest 3 mm in 1926 | 114 |
| May | 42.8°C30 May 1934 | -8.3°C6 May 1925 | 86 mm8 May 1927 | 202 mm1927 · driest 1 mm in 1917 | 116 |
| June | 42.2°C24 Jun 1988 | -1.1°C1 Jun 1946 | 128 mm29 Jun 2005 | 282 mm2005 · driest 11 mm in 1926 | 115 |
| July | 45.6°C6 Jul 1936 | 2.8°C3 Jul 1917 | 102 mm27 Jul 2011 | 264 mm2018 · driest 0 mm in 1975 | 114 |
| August | 45.6°C13 Aug 1938 | -0.6°C25 Aug 1934 | 100 mm29 Aug 1942 | 287 mm2025 · driest 3 mm in 1969 | 113 |
| September | 41.7°C10 Sep 1931 | -11.7°C28 Sep 1893 | 88 mm19 Sep 1988 | 169 mm1921 · driest 0 mm in 1918 | 114 |
| October | 34.4°C5 Oct 1963 | -20.0°C29 Oct 1925 | 69 mm3 Oct 1915 | 148 mm1998 · driest 0 mm in 1916 | 113 |
| November | 26.1°C1 Nov 1924 | -31.1°C25 Nov 1977 | 47 mm10 Nov 1919 | 80 mm2000 · driest 0 mm in 2011 | 111 |
| December | 18.3°C6 Dec 1939 | -40.0°C20 Dec 1916 | 29 mm25 Dec 2009 | 53 mm2022 · driest 0 mm in 1943 | 114 |
| Month | Days 25°C+ | Days 30°C+ | Frost nights | Heavy rain (10 mm+) | Snow days |
|---|---|---|---|---|---|
| January | 0 | 0 | 31 | <1 | 5 |
| February | 0 | 0 | 27 | <1 | 4 |
| March | <1 | 0 | 26 | <1 | 3 |
| April | 2 | <1 | 14 | 2 | 1 |
| May | 9 | 2 | 3 | 3 | 0 |
| June | 20 | 7 | 0 | 3 | 0 |
| July | 26 | 13 | 0 | 3 | 0 |
| August | 25 | 10 | 0 | 2 | 0 |
| September | 13 | 3 | <1 | 2 | 0 |
| October | 3 | <1 | 11 | 2 | <1 |
| November | 0 | 0 | 25 | <1 | 2 |
| December | 0 | 0 | 30 | <1 | 5 |
| Month | Warm & dry days | Wet days | Washouts | Week with 3+ wet days | Daytime mean has ranged |
|---|---|---|---|---|---|
| January | 0% | 10% | <1% | 5% | -11.7–-0.6°C |
| February | 0% | 11% | <1% | 6% | -8.3–2.2°C |
| March | 3% | 12% | 2% | 7% | -0.8–8.7°C |
| April | 19% | 20% | 6% | 20% | 9.4–17.7°C |
| May | 49% | 24% | 8% | 26% | 18.2–24.3°C |
| June | 66% | 29% | 11% | 33% | 23.5–29.0°C |
| July | 77% | 23% | 7% | 20% | 27.1–32.2°C |
| August | 79% | 20% | 7% | 16% | 26.2–31.5°C |
| September | 63% | 18% | 6% | 16% | 20.6–26.4°C |
| October | 29% | 15% | 4% | 12% | 12.3–18.5°C |
| November | 2% | 11% | 2% | 6% | 0.7–8.5°C |
| December | 0% | 11% | <1% | 6% | -7.8–1.3°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
Nearby, measured,
and named.
- Place identity
- GeoNames 5226523
- NOAA station
- USC00391049 · BRITTON
- Station distance
- 0.4 km from the place centre
- Climate period
- 1991–2020
- Minimum month coverage
- 29 usable years
- Daylight
- Calculated from latitude 45.79°, mid-month, sunrise to sunset including refraction. Not a station measurement.
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.