Measurements:
°C
°F
Colombo
90°F
E 7 mph
Feels like: 100°F
Precip: 100%
World Resorts Sri Lanka Colombo Weather September Weather in Colombo

Colombo Weather: September

Average Day Temperature: 88.9°F
Average Night Temperature: 81.8°F
Sea Water Temperature: 86.2°F
Number of Sunny Days: 1 day
Sunshine Hours: 12.1 - 12.2 hours
Number of Rainy Days: 17 days
Precipitation Totals: 13.4 in

Air Temperature in September, °F

Select 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
Day Temperature   
Night Temperature

The highest day temperature in September 2024 was 88°F. The lowest night temperature was 82°F. The average values for day and night temperatures during September were 86.7°F и 83.1°F respectivly.

Colombo Water Sea Temperature in September, °F

Select Year: 2024 2023 2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
80
82
84
86
88
90
92
94

The average sea surface temperature in September 2024 for Colombo was 87.9°F. The maximum and minimum values were 87.2°F and 88.8°F respectively.

Sunny, Cloudy and Gloomy days
Sunny days
Cloudy days
Gloomy days
3%
43%
53%

Most of the days in September are gloomy but you can also expect sunny days.

Precipitation Totals in September, in

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
3.2
6.5
9.7
13.0
16.2
19.5
22.7

Precipitation total in September for Colombo is 13.4 in. It makes september one of the most rainy months of the year.

Wind Speed in September, mph
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.9
3.7
5.6
7.5
9.4
11.2
13.1

The average wind speed in September is 10.0 mph. It makes September one of the most windy months of the year for Colombo.

Average Sunny Hours Per Day
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.5
2.9
4.4
5.9
7.3
8.8
10.3

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Colombo in September is 4.9 hours.

Best Time to Visit Colombo
The most sunny months:
January 16 days
February 16 days
March 15 days
The most warm months:
April 94.7 °F
March 94.2 °F
February 93.1 °F
Warmest sea temperature:
April 90.3 °F
May 89.2 °F
March 88.6 °F
The most cold months:
August 88.8 °F
September 88.9 °F
July 89.0 °F
The most rainy months:
July 19 days
June 19 days
May 18 days
The most windy months:
June 11 mph
July 10 mph
August 10 mph

Colombo on the Weather Map

Sri Lanka Resorts:
NAME
Ahungalla +90
Bentota +90
Colombo +90
Hambantota +86
Hikkaduwa +88
Kalutara +90
Marawila +90
Marissa +88
Negombo +90
Pasikuda +90
Tangalle +86
Trincomalee +90
Unawatuna +88
Wadduwa +90
Weligama +88
24 Hours Weather Forecast
Colombo
Local time: 10:39
09 apr, wednesday
1200 90°F
E
7 mph
1500 90°F
E
9 mph
1800 86°F
NE
7 mph
2100 84°F
N
8 mph
10 apr, thursday
0000 84°F
N
9 mph
0300 82°F
NE
8 mph
0600 84°F
NE
7 mph
0900 88°F
NE
11 mph