LucerneSwitzerland · Europe · September

September climate

CityMountainCulture

September in Lucerne

Switzerland · Europe

Mild days with cool nights and some sun. Best available month, but conditions still involve trade-offs.

Some tradeoffs

Daytime high

68°F

Lows around 55°F

Rain

Frequent rain

Sun

5 h/day

Air feel

Comfortable

When to visit

Month-by-month fit

Best

Switch month

Temperature

Pleasant by day, brisk at night.

68°Ftypical September high

Typical range

Precipitation

Rain is frequent. About 15 wet days this month.

50%wet-day frequency

Precip amountWet-day chanceSnowfall

Sunshine

Cloudier spells limit sunshine.

5.1 hSeptember sunshine

Heat & humidity by month

ComfortableSeptember

Easy airWarm airHot airHumid air

Hourly temperature pattern

In September, afternoons feel about 68° and nights feel near 57°.

FreezingVery coldColdCoolComfortableWarmNight hours

Clear sky

Mostly cloudy skies this month.

34%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 68°F, easing to about 64°F in early evening.

Avg temp Typical range

Morning60°F

Rain30%

Cloud67%

Humid airLow

Sun intensityLow

Best window

Midday66°F

Rain32%

Cloud63%

Humid airLow

Sun intensityModerate

Late afternoon68°F

Rain36%

Cloud61%

Humid airLow

Sun intensityModerate

Early evening64°F

Rain30%

Cloud60%

Humid airLow

Sun intensityMinimal

Data table

View month-by-month numbers

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	42	33	4.6	14	1.6	83
Feb	45	34	4.3	13	3.0	79
Mar	52	38	4.7	15	4.5	74
Apr	59	42	5.2	15	5.6	72
May	66	50	7.4	19	5.6	75
Jun	73	57	7.7	18	6.8	75
Jul	76	60	8.6	18	6.8	76
Aug	75	61	8.4	17	6.5	78
Sep	68	55	6.4	15	5.1	81
Oct	61	49	5.1	14	3.3	83
Nov	50	41	5.3	14	1.9	85
Dec	44	35	5.1	15	1.3	85

Similar climates

Want a side-by-side climate view? Compare Lucerne with Asheville.

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

4.6

1.6

Feb

4.3

3.0

Mar

4.7

4.5

Apr

5.2

5.6

May

7.4

5.6

Jun

7.7

6.8

Jul

8.6

6.8

Aug

8.4

6.5

Sep

6.4

5.1

Oct

5.1

3.3

Nov

5.3

1.9

Dec

5.1

1.3

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	42	33	4.6	14	1.6	83
Feb	45	34	4.3	13	3.0	79
Mar	52	38	4.7	15	4.5	74
Apr	59	42	5.2	15	5.6	72
May	66	50	7.4	19	5.6	75
Jun	73	57	7.7	18	6.8	75
Jul	76	60	8.6	18	6.8	76
Aug	75	61	8.4	17	6.5	78
Sep	68	55	6.4	15	5.1	81
Oct	61	49	5.1	14	3.3	83
Nov	50	41	5.3	14	1.9	85
Dec	44	35	5.1	15	1.3	85

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	42	33	4.6	14	1.6	83
Feb	45	34	4.3	13	3.0	79
Mar	52	38	4.7	15	4.5	74
Apr	59	42	5.2	15	5.6	72
May	66	50	7.4	19	5.6	75
Jun	73	57	7.7	18	6.8	75
Jul	76	60	8.6	18	6.8	76
Aug	75	61	8.4	17	6.5	78
Sep	68	55	6.4	15	5.1	81
Oct	61	49	5.1	14	3.3	83
Nov	50	41	5.3	14	1.9	85
Dec	44	35	5.1	15	1.3	85

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	42	33	4.6	14	1.6	83
Feb	45	34	4.3	13	3.0	79
Mar	52	38	4.7	15	4.5	74
Apr	59	42	5.2	15	5.6	72
May	66	50	7.4	19	5.6	75
Jun	73	57	7.7	18	6.8	75
Jul	76	60	8.6	18	6.8	76
Aug	75	61	8.4	17	6.5	78
Sep	68	55	6.4	15	5.1	81
Oct	61	49	5.1	14	3.3	83
Nov	50	41	5.3	14	1.9	85
Dec	44	35	5.1	15	1.3	85

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	42	33	4.6	14	1.6	83
Feb	45	34	4.3	13	3.0	79
Mar	52	38	4.7	15	4.5	74
Apr	59	42	5.2	15	5.6	72
May	66	50	7.4	19	5.6	75
Jun	73	57	7.7	18	6.8	75
Jul	76	60	8.6	18	6.8	76
Aug	75	61	8.4	17	6.5	78
Sep	68	55	6.4	15	5.1	81
Oct	61	49	5.1	14	3.3	83
Nov	50	41	5.3	14	1.9	85
Dec	44	35	5.1	15	1.3	85

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	42	33	4.6	14	1.6	83
Feb	45	34	4.3	13	3.0	79
Mar	52	38	4.7	15	4.5	74
Apr	59	42	5.2	15	5.6	72
May	66	50	7.4	19	5.6	75
Jun	73	57	7.7	18	6.8	75
Jul	76	60	8.6	18	6.8	76
Aug	75	61	8.4	17	6.5	78
Sep	68	55	6.4	15	5.1	81
Oct	61	49	5.1	14	3.3	83
Nov	50	41	5.3	14	1.9	85
Dec	44	35	5.1	15	1.3	85

Month	High°F	Low°F	Rainin	Wet days	Sunh	Humidity%
Jan	42	33	4.6	14	1.6	83
Feb	45	34	4.3	13	3.0	79
Mar	52	38	4.7	15	4.5	74
Apr	59	42	5.2	15	5.6	72
May	66	50	7.4	19	5.6	75
Jun	73	57	7.7	18	6.8	75
Jul	76	60	8.6	18	6.8	76
Aug	75	61	8.4	17	6.5	78
Sep	68	55	6.4	15	5.1	81
Oct	61	49	5.1	14	3.3	83
Nov	50	41	5.3	14	1.9	85
Dec	44	35	5.1	15	1.3	85