GenevaSwitzerland · Europe · September

September climate

City

September in Geneva

Switzerland · Europe

Mild days with cool nights and good sunshine.

One of the best months here

Daytime high

71°F

Lows around 54°F

Rain

Several rainy days

Sun

6.5 h/day

Air feel

Comfortable

When to visit

Month-by-month fit

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Switch month

Temperature

Pleasant by day, brisk at night.

71°Ftypical September high

Typical range

Precipitation

Several rainy days. About 12 wet days, fewer than in most months.

40%wet-day frequency

Precip amountWet-day chanceSnowfall

Sunshine

A mix of sunshine and cloud.

6.4 hSeptember sunshine

Heat & humidity by month

ComfortableSeptember

Easy airWarm airHot airHumid air

Hourly temperature pattern

In September, afternoons feel about 69° and nights feel near 56°.

FreezingVery coldColdCoolComfortableWarmNight hours

Clear sky

Partly cloudy skies this month.

42%September Clear sky

Clear skyCloud

Wind pattern

Calm winds are typical in September.

3 mphSeptember Calm

More detailIncludes daypart comfort

Typical September day

September late afternoons are around 70°F, easing to about 66°F in early evening.

Avg temp Typical range

Morning60°F

Rain22%

Cloud62%

Humid airLow

Sun intensityLow

Best window

Midday68°F

Rain22%

Cloud57%

Humid airLow

Sun intensityModerate

Late afternoon70°F

Rain21%

Cloud57%

Humid airLow

Sun intensityModerate

Early evening66°F

Rain22%

Cloud53%

Humid airLow

Sun intensityMinimal

Data table

View month-by-month numbers

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	45	33	4.7	13	2.0	81
Feb	48	34	3.7	11	3.6	77
Mar	55	38	4.3	13	5.3	72
Apr	62	44	4.3	13	6.4	70
May	68	51	5.7	16	6.9	74
Jun	76	58	4.7	14	8.4	73
Jul	79	61	5.0	13	8.8	72
Aug	78	60	4.7	12	7.9	75
Sep	71	54	4.2	12	6.4	79
Oct	63	48	4.5	12	4.0	82
Nov	52	40	5.1	14	2.3	83
Dec	46	35	5.2	14	1.6	82

Similar climates

Want a side-by-side climate view? Compare Geneva with Istanbul.

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: reviewed station-normal observations.

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

4.7

2.0

Feb

3.7

3.6

Mar

4.3

5.3

Apr

4.3

6.4

May

5.7

6.9

Jun

4.7

8.4

Jul

5.0

8.8

Aug

4.7

7.9

Sep

4.2

6.4

Oct

4.5

4.0

Nov

5.1

2.3

Dec

5.2

1.6

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	45	33	4.7	13	2.0	81
Feb	48	34	3.7	11	3.6	77
Mar	55	38	4.3	13	5.3	72
Apr	62	44	4.3	13	6.4	70
May	68	51	5.7	16	6.9	74
Jun	76	58	4.7	14	8.4	73
Jul	79	61	5.0	13	8.8	72
Aug	78	60	4.7	12	7.9	75
Sep	71	54	4.2	12	6.4	79
Oct	63	48	4.5	12	4.0	82
Nov	52	40	5.1	14	2.3	83
Dec	46	35	5.2	14	1.6	82

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	45	33	4.7	13	2.0	81
Feb	48	34	3.7	11	3.6	77
Mar	55	38	4.3	13	5.3	72
Apr	62	44	4.3	13	6.4	70
May	68	51	5.7	16	6.9	74
Jun	76	58	4.7	14	8.4	73
Jul	79	61	5.0	13	8.8	72
Aug	78	60	4.7	12	7.9	75
Sep	71	54	4.2	12	6.4	79
Oct	63	48	4.5	12	4.0	82
Nov	52	40	5.1	14	2.3	83
Dec	46	35	5.2	14	1.6	82

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	45	33	4.7	13	2.0	81
Feb	48	34	3.7	11	3.6	77
Mar	55	38	4.3	13	5.3	72
Apr	62	44	4.3	13	6.4	70
May	68	51	5.7	16	6.9	74
Jun	76	58	4.7	14	8.4	73
Jul	79	61	5.0	13	8.8	72
Aug	78	60	4.7	12	7.9	75
Sep	71	54	4.2	12	6.4	79
Oct	63	48	4.5	12	4.0	82
Nov	52	40	5.1	14	2.3	83
Dec	46	35	5.2	14	1.6	82

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	45	33	4.7	13	2.0	81
Feb	48	34	3.7	11	3.6	77
Mar	55	38	4.3	13	5.3	72
Apr	62	44	4.3	13	6.4	70
May	68	51	5.7	16	6.9	74
Jun	76	58	4.7	14	8.4	73
Jul	79	61	5.0	13	8.8	72
Aug	78	60	4.7	12	7.9	75
Sep	71	54	4.2	12	6.4	79
Oct	63	48	4.5	12	4.0	82
Nov	52	40	5.1	14	2.3	83
Dec	46	35	5.2	14	1.6	82

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	45	33	4.7	13	2.0	81
Feb	48	34	3.7	11	3.6	77
Mar	55	38	4.3	13	5.3	72
Apr	62	44	4.3	13	6.4	70
May	68	51	5.7	16	6.9	74
Jun	76	58	4.7	14	8.4	73
Jul	79	61	5.0	13	8.8	72
Aug	78	60	4.7	12	7.9	75
Sep	71	54	4.2	12	6.4	79
Oct	63	48	4.5	12	4.0	82
Nov	52	40	5.1	14	2.3	83
Dec	46	35	5.2	14	1.6	82

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	45	33	4.7	13	2.0	81
Feb	48	34	3.7	11	3.6	77
Mar	55	38	4.3	13	5.3	72
Apr	62	44	4.3	13	6.4	70
May	68	51	5.7	16	6.9	74
Jun	76	58	4.7	14	8.4	73
Jul	79	61	5.0	13	8.8	72
Aug	78	60	4.7	12	7.9	75
Sep	71	54	4.2	12	6.4	79
Oct	63	48	4.5	12	4.0	82
Nov	52	40	5.1	14	2.3	83
Dec	46	35	5.2	14	1.6	82