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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
El Dorado International Airport, DC
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September
Average Temperature
High
18°
Feels 18
Low
8°
Feels 7
Average Precipitation
11 Days
Rain amount
78.1mm
Snow amount
0cm
Content continues below
Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
3
4
20°
5
19°
6
19°
7
20°
8
20°
9
20°
10
20°
11
20°
12
19°
13
19°
14
19°
15
19°
16
19°
17
19°
18
20°
19
20
21
22
23
24
25
26
27
28
29
30
Forecast
Friday, September 4, 2026
Day
20°
Feels 20
Wind
22 km/h SE
Gust
33 km/h
Humidity
49%
P.O.P
70%
Rain
~1 mm
Night
10°
Feels 10
Wind
10 km/h E
Gust
15 km/h
Humidity
93%
P.O.P
20%
Historical Averages
Sep 4
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.