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Phnom Penh weather in September

Weather in Phnom Penh: September

Average day temperature: 89.6°F
Average night temperature: 78.5°F
Number of sunny days: 3 days
Day length: 12.0 - 12.3 hours
Number of rainy days: 14 days
Precipitation totals: 7.4 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
16
32
48
64
80
96
112
Day temperature   
Night temperature

The highest day temperature during September of 2024 was 94°F. At the same time the lowest night temperature was 77°F. Daily and nightly averages during September were 88.5°F and 79.0°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
3%
50%
47%

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

Precipitation total in September, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.5
3.0
4.4
5.9
7.4
8.9
10.3
1.4
4.0
8.6
4.7
4.6
4.1
3.7
2.8
1.4
4.0
8.6
7.6
4.7
4.6
4.1
3.7
2.8

Precipitation total value in Phnom Penh in September is 7.6 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
1.5
3.0
4.5
6.0
7.5
9.0
10.5
8.8
7.1
5.6
8.6
8.2
7.1
6.7
7.4
7.2
6.9
6.9
8.8
7.1
5.6
6.8
8.6
8.2
7.1
6.7
7.4
7.2
6.9
6.9

The average wind speed value in September is 6.8 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
1.5
3.1
4.6
6.1
7.6
9.2
10.7
7.6
5.6
4.8
6.2
5.6
6.8
6.3
7.6
8.9
8.7
8.9
7.6
5.6
4.8
4.7
6.2
5.6
6.8
6.3
7.6
8.9
8.7
8.9

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: 4.7.

Best time for vacation in Phnom Penh

Sunniest months:
January 20 days
February 20 days
March 18 days
Warmest months:
April 96.9 °F
March 96.6 °F
May 95.3 °F
Coldest months:
December 86.8 °F
November 88.1 °F
October 88.8 °F
Rainiest months:
October 14 days
September 14 days
July 10 days
Windiest months:
December 8.4 mph
August 7.8 mph
July 7.7 mph

Phnom Penh on a weather map

Leaflet | Tiles © Esri
Places in Cambodia:
Name
°F
+84°F
+84°F
+84°F
+75°F
+90°F
+84°F
+84°F
24 Hours Forecast
Phnom Penh
Local time: 22:10
April 10, thursday
0000
84°F
N
13 mph
0300
82°F
N
11 mph
0600
81°F
N
7 mph
0900
88°F
N
9 mph
1200
95°F
N
9 mph
1500
93°F
N
9 mph
1800
86°F
NE
6 mph
2100
82°F
NE
7 mph
Units of measurement: °C / °F