World Resorts Cambodia Siem Reap Weather

Siem Reap weather in September

Weather in Siem Reap: September

Average day temperature: 88.4°F
Average night temperature: 77.3°F
Number of sunny days: 3 days
Day length: 12.0 - 12.4 hours
Number of rainy days: 17 days
Precipitation totals: 9.3 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
15
30
45
60
75
90
105
120
Day temperature   
Night temperature

The highest day temperature during September of 2024 was 92°F. At the same time the lowest night temperature was 75°F. Daily and nightly averages during September were 87.1°F and 77.3°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
3%
37%
60%

Mostly all days in September are cloudy but sunny and partly 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
4.6
6.1
7.6
9.1
10.7
2.9
7.4
7.3
7.2
4.7
4.5
2.5
2.9
7.4
8.9
7.3
7.2
4.7
4.5
2.5

Precipitation total value in Siem Reap in September is 8.9 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
1.2
2.4
3.6
4.8
6.0
7.2
8.4
4.9
4.7
4.6
7.0
6.9
6.2
5.0
5.1
5.1
5.3
4.9
4.9
4.7
4.6
5.5
7.0
6.9
6.2
5.0
5.1
5.1
5.3
4.9

The average wind speed value in September is 5.5 mph It makes September one of the most 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
6.4
8.0
9.5
11.1
7.9
6.0
4.8
5.6
5.0
6.5
6.7
8.2
9.0
9.3
9.3
7.9
6.0
4.8
4.1
5.6
5.0
6.5
6.7
8.2
9.0
9.3
9.3

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: 4.1.

Best time for vacation in Siem Reap

Sunniest months:
February 24 days
January 22 days
March 22 days
Warmest months:
April 97.1 °F
March 96.1 °F
May 95.3 °F
Coldest months:
December 86.9 °F
September 88.4 °F
October 88.6 °F
Rainiest months:
September 17 days
July 15 days
August 14 days
Windiest months:
July 6.9 mph
August 6.8 mph
June 6.5 mph

Siem Reap on a weather map

Leaflet | Tiles © Esri
Places in Cambodia:
Name
°F
+99°F
+84°F
+84°F
+97°F
+95°F
+84°F
+97°F
24 Hours Forecast
Siem Reap
Local time: 12:18
April 06, sunday
1500
99°F
N
11 mph
1800
91°F
N
7 mph
2100
88°F
NE
6 mph
April 07, monday
0000
82°F
SE
8 mph
0300
81°F
NW
2 mph
0600
77°F
NW
3 mph
0900
86°F
SW
1 mph
1200
95°F
S
2 mph
Units of measurement: °C / °F