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Normal weather in United States in September

The weather in United States in September has an average temperature of around 30°C during the day. On average, September sees 68 mm of rain in United States. The wind speed is 4 Beaufort and mainly comes from Southeast.

After August, September in United States starts with a temperature of 32°C and ends around October at 28°C.

The hurricane season in Alabama lasts from early June to late November.

The hurricane season in Florida lasts from early June to late November.

The hurricane season in Louisiana lasts from early June to late November.

The hurricane season in Mississippi lasts from early June to late November.

The hurricane season in Texas lasts from early June to late November.

September averages for United States

Temperature Average temperature
30°C
Sun Highest daytime temperature
33°C
Sun Lowest daytime temperature
27°C
Rain Total rainfall
68 mm
Rain Rainy days
10 days

Temperature per day in September in United States

This graph shows the average daily maximum temperatures in September in United States, indicated in degrees Celsius.

Temperature per day in September in United States

Precipitation per day in September in United States

This graph shows the average daily precipitation in September in United States, indicated in millimeters.

Precipitation per day in September in United States

UV index per day in September in United States

This graph shows the average daily UV index in September in United States.

UV index per day in September in United States

Yearly temperature in September in United States

This graph shows the average yearly temperature in September in United States, measured in degrees Celsius, over the past years.

Yearly temperature in September in United States

Yearly total precipitation in September in United States

This graph shows the average yearly precipitation in millimeters in September in United States, over the past years.

Precipitation per year in September in United States

Average daily weather in September

weather
max/min
rain
wind
uv
1 September
rain
32° 20°
2,5 mm
ZO 4
6
2 September
rain
31° 20°
8,0 mm
ZO 4
6
3 September
rain
33° 20°
2,5 mm
ZO 4
6
4 September
showers-day
32° 21°
1,9 mm
ZO 4
6
5 September
showers-day
32° 21°
1,6 mm
ZO 4
6
6 September
rain
32° 19°
2,3 mm
Z 4
6
7 September
showers-day
32° 19°
0,6 mm
ZO 4
6
8 September
rain
30° 19°
10,0 mm
O 4
6
9 September
showers-day
30° 17°
0,7 mm
ZO 4
6
10 September
rain
29° 17°
3,3 mm
ZW 4
5
11 September
rain
27° 16°
2,0 mm
ZO 4
5
12 September
showers-day
28° 15°
1,0 mm
ZO 4
5
13 September
showers-day
29° 15°
0,6 mm
ZO 4
6
14 September
rain
30° 17°
2,1 mm
ZO 4
6
15 September
showers-day
31° 18°
0,5 mm
ZO 4
6
16 September
rain
30° 18°
2,4 mm
ZO 4
6
17 September
rain
31° 19°
6,3 mm
ZO 4
6
18 September
showers-day
31° 18°
1,0 mm
ZO 4
6
19 September
showers-day
31° 19°
0,7 mm
ZO 4
6
20 September
showers-day
31° 20°
0,5 mm
Z 4
6
21 September
showers-day
30° 19°
1,0 mm
Z 4
5
22 September
rain
27° 17°
8,2 mm
ZO 4
5
23 September
clear-day
30° 16°
0,2 mm
ZO 4
6
24 September
showers-day
30° 17°
0,5 mm
Z 4
5
25 September
showers-day
29° 16°
1,9 mm
Z 4
6
26 September
rain
28° 14°
2,8 mm
ZO 4
5
27 September
showers-day
29° 13°
0,8 mm
ZO 4
5
28 September
showers-day
28° 14°
0,6 mm
ZO 4
6
29 September
showers-day
28° 15°
0,8 mm
ZO 4
5
30 September
clear-day
28° 15°
0,1 mm
Z 4
5

Average weather in United States per month

Click on a month below to see in detail how the weather typically is in United States and what to expect. Based on the historical weather data of United States, you can view the average temperature, precipitation, wind, and UV index for each day of the month.

States of the United States