Weather in Bethlehem: September
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Average day temperature: | 72.3°F |
Average night temperature: | 57.7°F | |
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Number of sunny days: | 14 days |
Day length: | 11.8 - 13.1 hours | |
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Number of rainy days: | 2 days |
Precipitation totals: | 1.4 in. | |
more information |
14 days
forecast
forecast
Bethlehem |
weather in
October
October
Bethlehem |
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 45°F. Daily and nightly averages during September were 72.3°F and 57.4°F.
Sunny, partly cloudy and cloudy days
Sunny days | |
Partly cloudy days | |
Cloudy days |
45%
23%
32%
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
0.7
1.0
1.3
1.6
2.0
2.3
1.2
1.1
1.9
1.7
1.5
1.3
1.9
1.3
1.1
1.2
1.2
1.1
1.4
1.9
1.7
1.5
1.3
1.9
1.3
1.1
1.2
Precipitation total value in Bethlehem in September is 1.4 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
2.9
4.3
5.8
7.2
8.7
10.1
11.6
6.8
7.0
5.9
5.1
4.8
5.9
6.7
8.1
8.5
7.5
7.8
6.8
7.0
5.9
5.7
5.1
4.8
5.9
6.7
8.1
8.5
7.5
7.8
The average wind speed value in September is 5.7 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
1.4
2.8
4.3
5.7
7.1
8.5
9.9
4.4
6.1
6.5
7.5
8.3
8.3
7.6
6.0
6.2
5.3
4.7
4.4
6.1
6.5
7.3
7.5
8.3
8.3
7.6
6.0
6.2
5.3
4.7
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: 7.3.
Best time for vacation in Bethlehem
Bethlehem on a weather map
Leaflet | Tiles © Esri
Places in USA:
Name
°F
24 Hours Forecast
Bethlehem
Local time: 10:04
April 25, friday
1200

68°F
N
7 mph
7 mph
1500

72°F
N
11 mph
11 mph
1800

66°F
N
11 mph
11 mph
2100

61°F
N
12 mph
12 mph
April 26, saturday
0000

59°F
N
12 mph
12 mph
0300

59°F
N
11 mph
11 mph
0600

59°F
N
12 mph
12 mph
0900

61°F
NE
13 mph
13 mph