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United States, temperatures in September
September in the United States is on average a warm month, with a minimum temperature of 14.7 °C, a maximum of 26.5 °C, and therefore a daily average of 20.6 °C.
In the capital, Washington, the average temperature is of 22.5 °C.
The minimum temperature is normally recorded before dawn, the maximum in the early afternoon.
Map with average temperatures.
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Table with the average temperatures
United States - Average temperatures in September|
| City | Min | Max | Mean |
|---|
Albuquerque
(1,600 m.) | 14.5 | 28.1 | 21.3 |
|---|
Atlanta
(300 m.) | 18.8 | 28.8 | 23.8 |
|---|
Boise
(875 m.) | 11.4 | 26.7 | 19 |
|---|
Buffalo
(200 m.) | 12.2 | 23.6 | 17.9 |
|---|
| Caribou | 7.7 | 19.6 | 13.6 |
|---|
Casper
(1,620 m.) | 5.7 | 24.2 | 15 |
|---|
| Charleston | 20.2 | 29.7 | 24.9 |
|---|
| Chicago | 15.2 | 24.7 | 20 |
|---|
| Cincinnati | 14.1 | 26.1 | 20.1 |
|---|
| Dallas | 20.3 | 31.4 | 25.9 |
|---|
Denver
(1,600 m.) | 10 | 26.4 | 18.2 |
|---|
Des Moines
(250 m.) | 13 | 24.9 | 19 |
|---|
Duluth
(435 m.) | 8.5 | 19.5 | 14 |
|---|
| Eureka | 9.2 | 18.4 | 13.8 |
|---|
Fargo
(275 m.) | 8.9 | 22.2 | 15.6 |
|---|
Helena
(1,250 m.) | 7 | 22.9 | 15 |
|---|
| Houston | 21.4 | 32.4 | 26.9 |
|---|
International Falls
(350 m.) | 5.6 | 19.1 | 12.4 |
|---|
| Jacksonville | 21.4 | 30.7 | 26 |
|---|
Kansas City
(270 m.) | 16.1 | 26.9 | 21.5 |
|---|
Las Vegas
(650 m.) | 22.4 | 34.9 | 28.7 |
|---|
| Los Angeles | 17.9 | 29 | 23.4 |
|---|
| Miami | 24.9 | 31.7 | 28.3 |
|---|
| Minneapolis | 12.3 | 22.7 | 17.5 |
|---|
| Nashville | 16.5 | 29.2 | 22.9 |
|---|
| New Orleans | 23.1 | 31.2 | 27.1 |
|---|
| New York | 16.8 | 24.5 | 20.6 |
|---|
Phoenix
(350 m.) | 25.6 | 38 | 31.8 |
|---|
| Portland_Maine | 11.2 | 21.7 | 16.4 |
|---|
| Sacramento | 13.6 | 31.4 | 22.5 |
|---|
| Salem | 10.3 | 25.3 | 17.8 |
|---|
Salt Lake City
(1,300 m.) | 13.5 | 27 | 20.2 |
|---|
| San Diego | 18.6 | 25.3 | 22 |
|---|
| San Francisco | 13.3 | 24.2 | 18.7 |
|---|
| Seattle | 12 | 22 | 17 |
|---|
Spokane
(600 m.) | 8.2 | 24.4 | 16.3 |
|---|
Tulsa
(200 m.) | 17.1 | 29.3 | 23.2 |
|---|
| Virginia Beach | 17.8 | 26.6 | 22.2 |
|---|
| Washington | 17.8 | 27.1 | 22.5 |
|---|
Average
United States | 14.7 | 26.5 | 20.6 |
|---|
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