World Resorts USA Harpers Ferry Weather

Harpers Ferry weather in September

Weather in Harpers Ferry: September

Average day temperature: 75.6°F
Average night temperature: 60.9°F
Number of sunny days: 14 days
Day length: 11.8 - 13.0 hours
Number of rainy days: 2 days
Precipitation totals: 1.1 in.

Air temperature in September, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
0
14
28
42
56
70
84
98
112
Day temperature   
Night temperature

The highest day temperature during September of 2024 was 83°F. At the same time the lowest night temperature was 46°F. Day and night temperature averages during September were 75.0°F and 59.8°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
47%
27%
27%

Mostly all days in September are sunny but cloudy days are also possible.

Precipitation total in September, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.3
0.6
0.9
1.1
1.4
1.7
2.0
1.1
1.7
1.2
1.1
1.2
1.5
1.1
1.1
1.0
1.1
1.1
1.7
1.2
1.1
1.2
1.5
1.1
1.1
1.0

Precipitation total value in Harpers Ferry in September is 1.1 in. Other months of the year show relatively similar values.

Wind speed in September, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.4
2.8
4.3
5.7
7.1
8.5
9.9
11.3
6.7
7.0
5.8
4.9
4.9
5.9
6.2
7.7
8.3
7.6
7.8
6.7
7.0
5.8
5.6
4.9
4.9
5.9
6.2
7.7
8.3
7.6
7.8

The average wind speed value in September is 5.6 mph It makes September one of the least windy months of the year.

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.6
3.2
4.8
6.3
7.9
9.5
11.1
4.8
6.8
6.9
8.0
8.7
9.3
7.4
6.6
6.8
5.5
5.2
4.8
6.8
6.9
7.4
8.0
8.7
9.3
7.4
6.6
6.8
5.5
5.2

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 7.4.

Best time for vacation in Harpers Ferry

Sunniest months:
November 16 days
September 14 days
October 14 days
Warmest months:
July 86.9 °F
August 83.5 °F
June 79.6 °F
Coldest months:
January 38.6 °F
February 43.6 °F
December 43.7 °F
Rainiest months:
August 4 days
April 3 days
March 2 days
Windiest months:
March 8.3 mph
January 7.8 mph
April 7.7 mph

Harpers Ferry on a weather map

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Places in USA:
Name
°F
+19°F
+23°F
+75°F
+75°F
+64°F
+61°F
+75°F
+21°F
+64°F
+57°F
+52°F
+70°F
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+9°F
24 Hours Forecast
Harpers Ferry
Local time: 22:31
February 19, wednesday
0000
18°F
SE
12 mph
0300
16°F
SE
12 mph
0600
16°F
SE
11 mph
0900
16°F
SE
10 mph
1200
19°F
SE
8 mph
1500
23°F
SE
7 mph
1800
25°F
SE
6 mph
2100
23°F
S
2 mph
Units of measurement: °C / °F