Met Office station record
Cardiff Bute Park · September 2026
Cardiff Bute Park has just had its 4th-warmest September by day since 1977, on a figure the publisher still marks provisional and flags as estimated.
Read from the Met Office file for this station, in the vintage we archived on 8 October 2026.
20.8
°C
mean daily maximum, September 2026
Provisional — the publisher will revise this month · Marked estimated by the publisher
The highest Septembers on record — mean daily maximum
- 1st202322.0 °C
- 2nd200621.3 °C
- 3rd202121.1 °C
- 4th202620.8 °C
- 5th201420.7 °C
- 6th200320.5 °C
- 7th200520.4 °C
- 8th199920.2 °C
- joint 9th199120.1 °C
- joint 9th201620.1 °C
- out of 50 on record
Ranked against every September this station has on record. Ties share a rank. Months with no published reading are left out of the count entirely; they are never read as zero.
Every September on record
One cell per year from 1977 to 2026, shaded from this station’s own lowest September to its highest. Years with no published reading are left blank rather than filled in.
September 2026, every metric
| Measure | Value | Rank in the record |
|---|---|---|
| mean daily maximum | 20.8 °C | 4th-highest of 50 |
| mean daily minimum | 12.2 °C | joint 4th-highest of 50 |
| days of air frost | 0 days | shared with 49 other years |
| rainfall | 60.8 mm | 16th-lowest of 50 |
| sunshine | not published | — |
The last twelve months, read across
| Measure | Oct | Nov | Dec | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °C | 15.4 | 12.6 | 10.5 | 8.6p | 10.8p | 13.4p | 16.8p | 20.0p | 22.3p | 26.5*p | 25.2*p | 20.8*p |
| Min °C | 8.9 | 5.7 | 4.6 | 1.8p | 5.5p | 5.1p | 6.4p | 9.7p | 14.1p | 15.1p | 13.4p | 12.2*p |
| Frost | 0 | 6 | 5 | 10p | 2p | 0p | 0p | 0p | 0p | 0p | 0p | 0*p |
| Rain mm | 101.8 | 199.6 | 174.2 | 158.0p | 176.4p | 49.8p | 38.6p | 65.8p | 117.8p | 4.2p | 55.2p | 60.8*p |
| Sun hrs | — | — | — | — | — | — | — | — | — | — | — | — |
October 2025 to September 2026, oldest first. * marked estimated by the publisher · p provisional, and will be revised · — not published
How these figures are read
The publisher marks estimated values with *, missing months with ---, and sunshine read by an automatic Kipp & Zonen sensor with #. Missing months are excluded from every ranking on this page; they are never read as zero. Ties share a rank.
We archive the publisher’s file verbatim every time we fetch it, so the figures above can always be checked against the exact version they were read from: data/weather-stations/raw/2026-10-08/cardiffdata.txt.