Sion in september: average Weather, Temperature and Climate

You plan to go to Sion in Switzerland in september : check the weather and seasonal norms on this page.

Weather in Sion in september 2019

The weather in Sion in september comes from statistical datas on the past years. You can view the weather statistics for the whole month, but also by using the tabs for the beginning, the middle and the end of the month.

Average weather throughout september

good weather

Weather at 7am
8°C

Clear/SunnyClear/Sunny
53% of time

Partly Cloudy

15%

Moderate rain at times

12%

Fog

11%

Weather at 1pm
18°C

Clear/SunnyClear/Sunny
56% of time

Moderate rain at times

14%

Partly Cloudy

14%

Moderate or heavy rain in area with thunder

12%

Weather at 7pm
11°C

Clear/SunnyClear/Sunny
30% of time

Moderate rain at times

26%

Fog

19%

Partly Cloudy

10%

Average weather 1-10 september

Weather at 7am
10°C

Clear/SunnyClear/Sunny
52% of time

Partly Cloudy

20%

Fog

12%

Moderate rain at times

9%

Weather at 1pm
19°C

Clear/SunnyClear/Sunny
52% of time

Moderate rain at times

17%

Partly Cloudy

14%

Moderate or heavy rain in area with thunder

12%

Weather at 7pm
11°C

Clear/SunnyClear/Sunny
32% of time

Moderate rain at times

27%

Fog

16%

Moderate or heavy rain in area with thunder

11%

Average weather 11-20 september

Weather at 7am
8°C

Clear/SunnyClear/Sunny
45% of time

Moderate rain at times

17%

Partly Cloudy

15%

Heavy rain

10%

Weather at 1pm
17°C

Clear/SunnyClear/Sunny
51% of time

Moderate rain at times

17%

Partly Cloudy

14%

Moderate or heavy rain in area with thunder

13%

Weather at 7pm
10°C

Moderate rain at timesModerate rain at times
29% of time

Fog

24%

Clear/Sunny

23%

Partly Cloudy

10%

Average weather 21-30 september

Weather at 7am
7°C

Clear/SunnyClear/Sunny
60% of time

Fog

10%

Partly Cloudy

10%

Moderate rain at times

8%

Weather at 1pm
17°C

Clear/SunnyClear/Sunny
64% of time

Partly Cloudy

13%

Moderate or heavy rain in area with thunder

11%

Moderate rain at times

8%

Weather at 7pm
11°C

Clear/SunnyClear/Sunny
35% of time

Moderate rain at times

21%

Fog

17%

Partly Cloudy

12%


Climate of Sion in september

The climate of Sion in september is good

The weather in september in Sion is wet (with 109mm of rainfall over 14 days). It should be noted an improvement from the previous month since in august it receives an average of 167mm of precipitation over 17 days.

The climate is fairly fresh in that locality the month of september, but it is livable by dressing hot. The high seasonal norm is 18°C. The minimum is 9°C. Thus, the mean temperature average in september in Sion is 14°C. Note that these seasonal averages are in contrast with those observed in Sion in september with a maximum record of 31°C in 2016 and a minimum record of -3°C in 2010. You can hope to have about 13 days with temperatures over 18°C, or 43% of the month.

On average, in Sion, the days of september last 12:35. The sun rises at 07:08 and sets at 19:43.

With a good weather, september is recommended to go there.


Seasonal average climate and temperature of Sion in september

Check below seasonal norms These statistics are generated from the weather statements of the past years of the month of september.

September
Outside temperature
Average temperature 14°C
Highest temperature 18°C
Lowest temperature 9°C
Highest record temperature 31°C
(2016)
Lowest record temperature -3°C
(2010)
Number of days at +30°C 0 day(s)
(0%)
Number of days at +18°C 13 day(s)
(43%)
Number of days at -0°C 1 day(s)
(3%)
Wind
Wind speed 10km/h
Wind temperature 9°C
Precipitation (rainfall)
Rainfall 109mm
Number of days with rainfall 14 day(s)
(46%)
Record daily rainfall 49.2mm
(2010)
Other climate data
Humidity 86%
Visibility 8.37km
Cloud cover 29%
Sunrise and sunset
Time of sunrise 07:08
Time of sunset 19:43
Length of day 12:35
Our opinion about the weather in september
Our opinion at whereandwhen.net good

How was the weather last september?

Here is the day by day recorded weather in Sion in september 2018:

01-09-2018
Overcast
3°C to 4°C
02-09-2018
Partly Cloudy
5°C to 9°C
03-09-2018
Clear/Sunny
5°C to 10°C
04-09-2018
Clear/Sunny
7°C to 12°C
05-09-2018
Partly Cloudy
8°C to 13°C
06-09-2018
Thundery outbreaks in nearby
7°C to 12°C
07-09-2018
Partly Cloudy
5°C to 10°C
08-09-2018
Clear/Sunny
5°C to 14°C
09-09-2018
Clear/Sunny
8°C to 15°C
10-09-2018
Clear/Sunny
7°C to 15°C
11-09-2018
Clear/Sunny
8°C to 17°C
12-09-2018
Clear/Sunny
10°C to 16°C
13-09-2018
Clear/Sunny
8°C to 14°C
14-09-2018
Partly Cloudy
8°C to 12°C
15-09-2018
Clear/Sunny
7°C to 13°C
16-09-2018
Partly Cloudy
9°C to 13°C
17-09-2018
Clear/Sunny
10°C to 14°C
18-09-2018
Clear/Sunny
8°C to 15°C
19-09-2018
Clear/Sunny
8°C to 15°C
20-09-2018
Clear/Sunny
8°C to 16°C
21-09-2018
Clear/Sunny
8°C to 16°C
22-09-2018
Partly Cloudy
8°C to 12°C
23-09-2018
Clear/Sunny
11°C to 17°C
24-09-2018
Clear/Sunny
1°C to 7°C
25-09-2018
Clear/Sunny
2°C to 10°C
26-09-2018
Clear/Sunny
4°C to 12°C
27-09-2018
Clear/Sunny
5°C to 15°C
28-09-2018
Clear/Sunny
5°C to 13°C
29-09-2018
Clear/Sunny
5°C to 12°C
30-09-2018
Partly Cloudy
5°C to 10°C

Map: other cities in Switzerland in september

Click over cities on the map for information about the weather in september.

Legend: Sion perfect weather good tolerable bad very bad

Cities near Sion:

Sierre in septembertolerable weather
Martigny-Ville in septembertolerable weather
Gstaad in septembertolerable weather
Monthey in septembertolerable weather
Zermatt in septembervery bad weather
Visp in septemberbad weather
Montreux in septembergood weather
Frutigen in septembertolerable weather
Vevey in septembertolerable weather
Bulle in septembergood weather
Switzerland in september: See full list of cities

Recommended for you:


Weather data for Sion in september:

Weather data for Sion for september are derived from an average of the weather forecast since 2009 in Sion. There is a margin of error and these forecasts are to be considered as general information only. The weather in Sion can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Sion.


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