
🔎 Weather for a date or period
Actual day-by-day weather for the selected period (ERA5). Up to 1 year.
📆 On this day before
Data for previous years is being prepared.
🏆 Hottest and coldest day in London (over the full observation series)
+38°
Hottest day
July 19, 2022
-16°
Coldest day
December 13, 1981
🗓 Monthly climate in London (10-year normals)
| Month | Day | Night | Precip |
|---|---|---|---|
| January | +8° | +2° | 61 mm |
| February | +9° | +3° | 54 mm |
| March | +11° | +4° | 58 mm |
| April | +14° | +5° | 40 mm |
| May | +17° | +8° | 58 mm |
| June | +21° | +12° | 61 mm |
| July | +23° | +14° | 60 mm |
| August | +22° | +14° | 57 mm |
| September | +20° | +12° | 64 mm |
| October | +16° | +9° | 77 mm |
| November | +11° | +5° | 66 mm |
| December | +9° | +4° | 66 mm |
🕰 Weather in London September 22 in past years
+24°
Heat record · 2020
+3°
Cold record · 1948
📜
This day in history. The hottest September 22 in London was in 2020 (+24°), the coldest in 1948 (+3°). 86 years of observations. Normal for September: day +20°, night +12°.
📒 For school and home
Weather diary
ready-made observation table for a month — for school
Weather for the month
September calendar: forecast + climate normal
Air quality
AQI 53 — moderate
FAQ about the weather archive in London ❓
What was the weather in London on a specific date?
Pick a date or range in the form above — we show actual day-by-day weather (ERA5 reanalysis, up to a year back). For today’s date in past years see “On this day before”.
Hottest and coldest day in the history in London?
Heat record — +38° (July 19, 2022), cold record — -16° (December 13, 1981). Observations over the full available series.
What's the typical weather in London in September?
On average +20° by day, +12° at night, precipitation about 64 mm (ERA5 climate normal).
Since what year is the weather archive in London kept?
Climate normals and records come from the ERA5 reanalysis. Actual day-by-day weather is available for the last year.
Climate and weather archive in London
Monthly climate normals in London (average day and night temperatures, precipitation) are computed from the ERA5 reanalysis. The observation archive accrues from launch. Data: Open-Meteo (ERA5).