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Aosta weather in September

Weather in Aosta: September

Average day temperature: 59.2°F
Average night temperature: 42.5°F
Number of sunny days: 17 days
Day length: 11.8 - 13.3 hours
Number of rainy days: 4 days
Precipitation totals: 2.2 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
11
22
33
44
55
66
77
88
Day temperature   
Night temperature

The highest day temperature during September of 2024 was 67°F. At the same time the lowest night temperature was 29°F. Daily and nightly averages during September were 53.6°F and 40.8°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
55%
31%
14%

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
0.7
1.4
2.1
2.8
3.5
4.2
4.9
5.6
3.2
3.6
4.1
2.0
2.8
3.5
4.1
1.9
2.2
1.7
2.4
3.2
3.6
4.1
1.5
2.0
2.8
3.5
4.1
1.9
2.2
1.7
2.4

Precipitation total value in Aosta in September is 1.5 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
0.8
1.7
2.5
3.3
4.1
5.0
5.8
4.7
4.2
4.1
3.6
3.9
3.9
4.3
4.6
4.7
4.6
4.8
4.7
4.2
4.1
3.8
3.6
3.9
3.9
4.3
4.6
4.7
4.6
4.8

The average wind speed value in September is 3.8 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
1.6
3.3
4.9
6.6
8.2
9.9
11.5
5.6
5.5
6.7
9.0
9.6
8.1
6.6
7.3
6.7
7.0
5.7
5.6
5.5
6.7
7.8
9.0
9.6
8.1
6.6
7.3
6.7
7.0
5.7

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: 7.8.

Best time for vacation in Aosta

Sunniest months:
October 19 days
August 19 days
December 18 days
Warmest months:
July 68.0 °F
August 67.0 °F
June 63.7 °F
Coldest months:
January 30.1 °F
December 32.4 °F
February 33.1 °F
Rainiest months:
June 8 days
July 8 days
May 8 days
Windiest months:
January 5.2 mph
December 4.9 mph
February 4.7 mph

Aosta on a weather map

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Places in Italy:
Name
°F
+55°F
+52°F
+50°F
+52°F
+45°F
+52°F
+50°F
+57°F
+46°F
+50°F
+52°F
+41°F
+54°F
24 Hours Forecast
Aosta
Local time: 23:20
April 11, friday
0000
37°F
E
4 mph
0300
36°F
E
3 mph
0600
36°F
E
4 mph
0900
48°F
E
3 mph
1200
59°F
E
4 mph
1500
59°F
SE
7 mph
1800
54°F
SE
6 mph
2100
45°F
SE
3 mph
Units of measurement: °C / °F