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Lausanne weather in September

Weather in Lausanne: September

Average day temperature: 66.7°F
Average night temperature: 52.7°F
Sea water temperature: 65.7°F
Number of sunny days: 17 days
Day length: 11.7 - 13.3 hours
Number of rainy days: 4 days
Precipitation totals: 2.0 in.

Air temperature in September, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
13
26
39
52
65
78
91
104
Day temperature   
Night temperature

The highest day temperature during September of 2024 was 78°F. At the same time the lowest night temperature was 41°F. Day and night temperature averages during September were 62.2°F and 53.6°F.

Sea water temperature in Lausanne in September, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
59
62
65
68
71
74
77
80

The average sea water temperature in September of 2024 was 68.7°F. The highest and lowest sea temperatures during the month were 74.1°F and 63.5°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
53%
27%
20%

Mostly all days in September are sunny but cloudy days are also possible.

Precipitation total in September, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.8
1.6
2.4
3.3
4.1
4.9
5.7
4.8
2.7
3.1
3.3
3.2
3.9
3.7
1.8
2.8
2.8
3.7
4.8
2.7
3.1
2.0
3.3
3.2
3.9
3.7
1.8
2.8
2.8
3.7

Precipitation total value in Lausanne in September is 2.0 in. Other months of the year show relatively similar values.

Wind speed in September, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.3
2.7
4.0
5.3
6.6
8.0
9.3
6.7
6.5
5.5
4.5
4.7
4.7
5.9
6.4
6.9
7.3
7.7
6.7
6.5
5.5
5.1
4.5
4.7
4.7
5.9
6.4
6.9
7.3
7.7

The average wind speed value in September is 5.1 mph It makes September one of the least windy months of the year.

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.7
3.3
5.0
6.7
8.4
10.0
11.7
4.1
4.6
6.8
9.6
9.8
8.9
7.4
7.0
6.5
6.0
4.5
4.1
4.6
6.8
7.7
9.6
9.8
8.9
7.4
7.0
6.5
6.0
4.5

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 7.7.

Best time for vacation in Lausanne

Sunniest months:
August 19 days
July 18 days
September 17 days
Warmest months:
August 74.3 °F
July 74.1 °F
June 70.2 °F
Warmest sea temp:
August 69.6 °F
July 68.4 °F
September 65.7 °F
Coldest months:
January 39.6 °F
December 42.2 °F
February 42.4 °F
Rainiest months:
June 7 days
May 6 days
December 6 days
Windiest months:
January 7.3 mph
February 7.0 mph
December 6.6 mph

Lausanne on a weather map

Leaflet | Tiles © Esri
Places in Switzerland:
Name
°F
+41°F
+45°F
+19°F
+45°F
+25°F
+41°F
+45°F
+45°F
+34°F
+43°F
+34°F
+43°F
+16°F
+12°F
+45°F
24 Hours Forecast
Lausanne
Local time: 06:52
February 13, thursday
0900
45°F
N
9 mph
1200
45°F
NE
11 mph
1500
45°F
NE
7 mph
1800
43°F
NE
7 mph
2100
41°F
SE
4 mph
February 14, friday
0000
39°F
S
2 mph
0300
37°F
S
6 mph
0600
34°F
S
9 mph
Units of measurement: °C / °F