Weather United States in September

What are the average weather conditions like in September for United States? What are your chances of getting caught up in some rain? What about snow, or high and low temperatures during this month? We got the answers for you!

Average weather West United States in September

On average, it is maximum 21° in September in West United States and at least around 14° degrees. The sea water temperature is around 15° degrees. In September there are 3 days of rainfall with a total of 3 mm and the it will be dry 27 days this month West United States.

Maximum temperature:
21°C
Minimum temperature:
14°C
Water temperature:
15°C
Dry days:
27
Days with rain:
3
Total precipitation:
3 mm
Average sun hours per day:
11 hour
Average wind force:
2 Bft
Average UV-index:
5

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Average weather Central United States in September

On average, it is maximum 22° in September in Central United States and at least around 16° degrees. The sea water temperature is around 23° degrees. In September there are 14 days of rainfall with a total of 65 mm and the it will be dry 16 days this month Central United States.

Maximum temperature:
22°C
Minimum temperature:
16°C
Water temperature:
23°C
Dry days:
16
Days with rain:
14
Total precipitation:
65 mm
Average sun hours per day:
9 hour
Average wind force:
3 Bft
Average UV-index:
4

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Average weather Northeast United States in September

On average, it is maximum 24° in September in Northeast United States and at least around 17° degrees. The sea water temperature is around 21° degrees. In September there are 12 days of rainfall with a total of 47 mm and the it will be dry 18 days this month Northeast United States.

Maximum temperature:
24°C
Minimum temperature:
17°C
Water temperature:
21°C
Dry days:
18
Days with rain:
12
Total precipitation:
47 mm
Average sun hours per day:
9 hour
Average wind force:
3 Bft
Average UV-index:
5

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Average weather Southeast United States in September

On average, it is maximum 30° in September in Southeast United States and at least around 27° degrees. The sea water temperature is around 30° degrees. In September there are 24 days of rainfall with a total of 44 mm and the it will be dry 6 days this month Southeast United States.

Maximum temperature:
30°C
Minimum temperature:
27°C
Water temperature:
30°C
Dry days:
6
Days with rain:
24
Total precipitation:
44 mm
Average sun hours per day:
9 hour
Average wind force:
3 Bft
Average UV-index:
7

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Average weather Southwest United States in September

On average, it is maximum 31° in September in Southwest United States and at least around 23° degrees. In September there are 19 days of rainfall with a total of 100 mm and the it will be dry 11 days this month Southwest United States.

Maximum temperature:
31°C
Minimum temperature:
23°C
Dry days:
11
Days with rain:
19
Total precipitation:
100 mm
Average sun hours per day:
9 hour
Average wind force:
2 Bft
Average UV-index:
6

Fancy the weather for Southwest United States in September?

To help you experience the September weather firsthand, we recommend these experts:

Check the weather for other months