World Resorts USA Bethlehem Weather

Bethlehem weather in September

Weather in Bethlehem: September

Average day temperature: 72.3°F
Average night temperature: 57.7°F
Number of sunny days: 14 days
Day length: 11.8 - 13.1 hours
Number of rainy days: 2 days
Precipitation totals: 1.4 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 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

Sunniest months:
October 14 days
September 14 days
November 12 days
Warmest months:
July 82.0 °F
August 79.7 °F
June 75.9 °F
Coldest months:
January 35.1 °F
February 37.7 °F
December 40.0 °F
Rainiest months:
August 3 days
July 3 days
March 3 days
Windiest months:
March 8.5 mph
April 8.1 mph
January 7.8 mph

Bethlehem on a weather map

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Places in USA:
Name
°F
+63°F
+59°F
+75°F
+75°F
+59°F
+54°F
+73°F
+63°F
+75°F
+55°F
+48°F
+73°F
+73°F
+75°F
+55°F
24 Hours Forecast
Bethlehem
Local time: 10:04
April 25, friday
1200
68°F
N
7 mph
1500
72°F
N
11 mph
1800
66°F
N
11 mph
2100
61°F
N
12 mph
April 26, saturday
0000
59°F
N
12 mph
0300
59°F
N
11 mph
0600
59°F
N
12 mph
0900
61°F
NE
13 mph
Units of measurement: °C / °F