LondonUnited Kingdom · Europe · September

September climate

CityCulture

September in London

United Kingdom · Europe

Mild days with cool nights.

One of the best months here

Daytime high

66°F

Lows around 53°F

Rain

Several rainy days

Sun

5 h/day

Air feel

Comfortable

When to visit

Month-by-month fit

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Temperature

Pleasant by day, brisk at night.

66°Ftypical September high

Typical range

Precipitation

Several rainy days, mostly brief and on-and-off. About 9 wet days, the lowest monthly average.

30%wet-day frequency

AmountWet-day chance

Sunshine

A mix of sunshine and cloud.

5.1 hSeptember sunshine

Heat & humidity by month

ComfortableSeptember

Easy airWarm airHot airHumid air

Hourly temperature pattern

In September, afternoons feel about 61° and nights feel near 51°.

FreezingVery coldColdCoolComfortableNight hours

Clear sky

Mostly cloudy skies this month.

34%September Clear sky

Clear skyCloud

Wind pattern

Calm winds are typical in September.

8 mphSeptember Light breeze

More detailIncludes daypart comfort

Typical September day

September late afternoons are around 66°F, easing to about 62°F in early evening.

Avg temp Typical range

Morning58°F

Rain13%

Cloud69%

Humid airLow

Sun intensityLow

Midday65°F

Rain19%

Cloud73%

Humid airLow

Sun intensityModerate

Late afternoon66°F

Rain17%

Cloud72%

Humid airLow

Sun intensityLow

Early evening62°F

Rain10%

Cloud64%

Humid airLow

Sun intensityMinimal

Best window

Data table

View month-by-month numbers

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	46	37	2.2	11	1.9	87
Feb	47	38	1.9	10	2.9	83
Mar	51	40	1.7	10	4.1	80
Apr	57	42	1.8	11	6.0	75
May	62	48	2.1	10	6.9	75
Jun	68	53	2.2	10	7.0	74
Jul	71	57	2.2	11	7.2	74
Aug	71	57	2.4	11	6.7	76
Sep	66	53	1.9	9	5.1	79
Oct	59	48	2.6	12	3.8	84
Nov	51	42	2.6	11	2.3	87
Dec	47	39	2.3	11	1.7	88

Similar climates

Want a side-by-side climate view? Compare London with Paris.

Climate data notePlanning guidance, not a forecast

Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.

Sunshine: source type is not yet identified at metric level.

Local microclimates can vary by beach, neighborhood, trail, or elevation.

Last updated: Jun 1, 2026

Data & methodology

Month

High°F

Low°F

Rainin

Wet days

Sunh

Humidity%

Jan

2.2

1.9

Feb

1.9

2.9

Mar

1.7

4.1

Apr

1.8

6.0

May

2.1

6.9

Jun

2.2

7.0

Jul

2.2

7.2

Aug

2.4

6.7

Sep

1.9

5.1

Oct

2.6

3.8

Nov

2.6

2.3

Dec

2.3

1.7

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	46	37	2.2	11	1.9	87
Feb	47	38	1.9	10	2.9	83
Mar	51	40	1.7	10	4.1	80
Apr	57	42	1.8	11	6.0	75
May	62	48	2.1	10	6.9	75
Jun	68	53	2.2	10	7.0	74
Jul	71	57	2.2	11	7.2	74
Aug	71	57	2.4	11	6.7	76
Sep	66	53	1.9	9	5.1	79
Oct	59	48	2.6	12	3.8	84
Nov	51	42	2.6	11	2.3	87
Dec	47	39	2.3	11	1.7	88

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	46	37	2.2	11	1.9	87
Feb	47	38	1.9	10	2.9	83
Mar	51	40	1.7	10	4.1	80
Apr	57	42	1.8	11	6.0	75
May	62	48	2.1	10	6.9	75
Jun	68	53	2.2	10	7.0	74
Jul	71	57	2.2	11	7.2	74
Aug	71	57	2.4	11	6.7	76
Sep	66	53	1.9	9	5.1	79
Oct	59	48	2.6	12	3.8	84
Nov	51	42	2.6	11	2.3	87
Dec	47	39	2.3	11	1.7	88

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	46	37	2.2	11	1.9	87
Feb	47	38	1.9	10	2.9	83
Mar	51	40	1.7	10	4.1	80
Apr	57	42	1.8	11	6.0	75
May	62	48	2.1	10	6.9	75
Jun	68	53	2.2	10	7.0	74
Jul	71	57	2.2	11	7.2	74
Aug	71	57	2.4	11	6.7	76
Sep	66	53	1.9	9	5.1	79
Oct	59	48	2.6	12	3.8	84
Nov	51	42	2.6	11	2.3	87
Dec	47	39	2.3	11	1.7	88

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	46	37	2.2	11	1.9	87
Feb	47	38	1.9	10	2.9	83
Mar	51	40	1.7	10	4.1	80
Apr	57	42	1.8	11	6.0	75
May	62	48	2.1	10	6.9	75
Jun	68	53	2.2	10	7.0	74
Jul	71	57	2.2	11	7.2	74
Aug	71	57	2.4	11	6.7	76
Sep	66	53	1.9	9	5.1	79
Oct	59	48	2.6	12	3.8	84
Nov	51	42	2.6	11	2.3	87
Dec	47	39	2.3	11	1.7	88

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	46	37	2.2	11	1.9	87
Feb	47	38	1.9	10	2.9	83
Mar	51	40	1.7	10	4.1	80
Apr	57	42	1.8	11	6.0	75
May	62	48	2.1	10	6.9	75
Jun	68	53	2.2	10	7.0	74
Jul	71	57	2.2	11	7.2	74
Aug	71	57	2.4	11	6.7	76
Sep	66	53	1.9	9	5.1	79
Oct	59	48	2.6	12	3.8	84
Nov	51	42	2.6	11	2.3	87
Dec	47	39	2.3	11	1.7	88

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	46	37	2.2	11	1.9	87
Feb	47	38	1.9	10	2.9	83
Mar	51	40	1.7	10	4.1	80
Apr	57	42	1.8	11	6.0	75
May	62	48	2.1	10	6.9	75
Jun	68	53	2.2	10	7.0	74
Jul	71	57	2.2	11	7.2	74
Aug	71	57	2.4	11	6.7	76
Sep	66	53	1.9	9	5.1	79
Oct	59	48	2.6	12	3.8	84
Nov	51	42	2.6	11	2.3	87
Dec	47	39	2.3	11	1.7	88