Weather in Grenoble: September
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Average day temperature: | 68.9°F |
Average night temperature: | 44.7°F | |
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Number of sunny days: | 17 days |
Day length: | 11.8 - 13.3 hours | |
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Number of rainy days: | 4 days |
Precipitation totals: | 2.1 in. | |
more information |
14 days
forecast
forecast
Grenoble |
weather in
October
October
Grenoble |
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
14
28
42
56
70
84
98
112
Day temperature | Night temperature |
The highest day temperature during September of 2024 was 86°F. At the same time the lowest night temperature was 24°F. Daily and nightly averages during September were 67.3°F and 43.7°F.
Sunny, partly cloudy and cloudy days
Sunny days | |
Partly cloudy days | |
Cloudy days |
50%
30%
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
1.0
2.0
3.0
3.9
4.9
5.9
6.9
5.7
3.2
3.4
2.0
2.3
3.5
4.3
2.7
3.3
2.6
3.9
5.7
3.2
3.4
1.9
2.0
2.3
3.5
4.3
2.7
3.3
2.6
3.9
Precipitation total value in Grenoble in September is 1.9 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
1.5
2.3
3.0
3.8
4.6
5.3
6.1
3.7
3.7
3.9
4.0
4.0
3.8
4.1
4.4
4.2
4.1
4.2
3.7
3.7
3.9
3.7
4.0
4.0
3.8
4.1
4.4
4.2
4.1
4.2
The average wind speed value in September is 3.7 mph The wind's strength is relatively same during the whole year.
Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.8
3.6
5.3
7.1
8.9
10.7
12.4
14.2
4.0
4.4
6.6
9.7
10.4
8.5
6.6
6.4
6.1
5.7
4.1
4.0
4.4
6.6
7.7
9.7
10.4
8.5
6.6
6.4
6.1
5.7
4.1
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 Grenoble
Grenoble on a weather map
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Places in France:
Name
°F
24 Hours Forecast
Grenoble
Local time: 13:25
April 11, friday
1500

70°F
SE
5 mph
5 mph
1800

64°F
SE
4 mph
4 mph
2100

54°F
NE
1 mph
1 mph
April 12, saturday
0000

52°F
NW
2 mph
2 mph
0300

50°F
NW
4 mph
4 mph
0600

50°F
N
4 mph
4 mph
0900

57°F
NW
2 mph
2 mph
1200

68°F
NE
2 mph
2 mph