World Resorts USA Marietta Weather

Marietta weather in September

Weather in Marietta: September

Average day temperature: 80.4°F
Average night temperature: 68.5°F
Number of sunny days: 14 days
Day length: 11.9 - 12.9 hours
Number of rainy days: 2 days
Precipitation totals: 1.3 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
15
30
45
60
75
90
105
120
Day temperature   
Night temperature

The highest day temperature during September of 2024 was 92°F. At the same time the lowest night temperature was 64°F. Daily and nightly averages during September were 80.7°F and 70.5°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
47%
27%
27%

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
0.4
0.8
1.1
1.5
1.9
2.3
2.6
1.3
1.8
1.8
1.8
1.7
1.2
2.2
1.9
2.1
1.6
1.3
1.8
1.3
1.8
1.8
1.7
1.2
2.2
1.9
2.1
1.6

Precipitation total value in Marietta in September is 1.3 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
2.6
3.9
5.3
6.6
7.9
9.2
6.9
6.9
6.1
5.0
4.6
5.9
6.4
7.3
7.7
7.3
7.5
6.9
6.9
6.1
5.8
5.0
4.6
5.9
6.4
7.3
7.7
7.3
7.5

The average wind speed value in September is 5.8 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
1.5
3.0
4.5
6.0
7.5
8.9
10.4
4.9
6.5
7.8
7.9
7.2
8.7
8.1
8.0
6.9
5.5
5.5
4.9
6.5
7.8
7.9
7.9
7.2
8.7
8.1
8.0
6.9
5.5
5.5

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: 7.9.

Best time for vacation in Marietta

Sunniest months:
October 17 days
September 14 days
April 14 days
Warmest months:
July 87.1 °F
August 86.8 °F
June 84.4 °F
Coldest months:
January 47.9 °F
December 52.0 °F
February 54.0 °F
Rainiest months:
August 5 days
February 4 days
March 4 days
Windiest months:
March 7.7 mph
January 7.5 mph
February 7.3 mph

Marietta on a weather map

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Places in USA:
Name
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+37°F
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24 Hours Forecast
Marietta
Local time: 03:17
April 17, thursday
0600
52°F
SW
4 mph
0900
57°F
W
6 mph
1200
70°F
W
7 mph
1500
72°F
NW
6 mph
1800
70°F
NW
6 mph
2100
66°F
NW
6 mph
April 18, friday
0000
63°F
W
6 mph
0300
61°F
W
4 mph
Units of measurement: °C / °F