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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Gettysburg, PA
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September
Average Temperature
High
25°
Feels 26
Low
14°
Feels 14
Average Precipitation
9 Days
Rain amount
69.1mm
Snow amount
0cm
Content continues below
Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
27°
12
26°
13
29°
14
25°
15
24°
16
27°
17
30°
18
27°
19
23°
20
24°
21
19°
22
17°
23
21°
24
22°
25
23°
26
27
28
29
30
Forecast
Friday, September 11, 2026
Day
27°
Feels 28
Wind
11 km/h N
Gust
16 km/h
Humidity
47%
P.O.P
40%
Rain
<1 mm
Night
18°
Feels 18
Wind
5 km/h E
Gust
7 km/h
Humidity
89%
P.O.P
30%
Historical Averages
Sep 11
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.