Medan in september: average Weather, Temperature and Climate
Weather in Medan in september 2025
The weather in Medan in september comes from statistical datas on the past years. You can view the weather statistics the entire month, but also by clicking on the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
tolerable weather UV index: 7
Weather at 6am
77°F
Moderate rain at times
45% of time
29%
17%
7%
Weather at 12pm
94°F
Partly Cloudy
36% of time
35%
25%
5%
Weather at 6pm
81°F
Moderate rain at times
39% of time
33%
15%
11%
Weather at 3am
76°F
48%
25%
16%
7%
Evolution of daily average temperature and precipitation in Medan in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Medan in september.
The climate of Medan in september is tolerable
The climate in september in Medan is wet (with 9.4in of rainfall over 16 days). The situation is deteriorating compared to the previous month since in august there is an average of 8.8in of precipitation over 17 days.
The climate is very warm around this city this month. The high seasonal norm is 94°F. The minimum is 77°F. Thus, the mean temperature average on this month of september in Medan is 85°F. These temperatures are far removed from those records observed in Medan in the month of september with a maximum record of 99°F in 2013 and a minimum record of 72°F in 2010. You can expect to have 86°F or more throughout the month.
In september in Medan, the days on average last 12:08. The sun rises at 06:16 and sets at 18:24.
With a correct climate, the month of september is okay (but not the best) to go in this locality in Sumatra.
September: another location on the island of Sumatra?
If you want to go to Sumatra in september, there are destinations with better weather than Medan:
In september, Palembang, Banda Aceh, Bandar Lampung, Jambi City, Batam and Pulau Bangka have good weather.
Seasonal average climate and temperature of Medan in september
Check below seasonal norms These statistics are set from the weather statements earlier years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 85°F | ||||
| Highest temperature | 94°F | ||||
| Lowest temperature | 77°F | ||||
| Highest record temperature | 99°F (2013) | ||||
| Lowest record temperature | 72°F (2010) | ||||
| Number of days at +86°F | 28 day(s) (93%) | ||||
| Number of days at +65°F | 30 day(s) (100%) | ||||
| Wind | |||||
| Wind speed | 9km/h | ||||
| Wind temperature | 77°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 9.4in | ||||
| Number of days with rainfall | 16 day(s) (54%) | ||||
| Record daily rainfall | 2.3in (2020) | ||||
| Other climate data | |||||
| Humidity | 87% | ||||
| Visibility | 9.1km | ||||
| Cloud cover | 39% | ||||
| UV index | 7 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:16 | ||||
| Time of sunset | 18:24 | ||||
| Length of day | 12:08 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | tolerable | ||||
How was the weather last september?
Here is the day by day recorded weather in Medan in september 2024:
74°F to 92°F
74°F to 88°F
72°F to 92°F
72°F to 92°F
72°F to 92°F
74°F to 92°F
74°F to 88°F
74°F to 79°F
72°F to 83°F
72°F to 90°F
74°F to 81°F
70°F to 92°F
72°F to 88°F
72°F to 90°F
72°F to 90°F
72°F to 92°F
74°F to 90°F
72°F to 90°F
70°F to 90°F
72°F to 92°F
72°F to 77°F
72°F to 92°F
72°F to 88°F
74°F to 86°F
72°F to 88°F
72°F to 83°F
72°F to 85°F
76°F to 86°F
74°F to 88°F
72°F to 83°F
Map: other cities on the island of Sumatra in september
Cities near Medan:
| Berastagi in september | very bad weather |
| Bukit Lawang in september | tolerable weather |
| Tebingtinggi in september | tolerable weather |
| Pematangsiantar in september | tolerable weather |
| Lake Toba (Danau Toba) in september | very bad weather |
| Parapat in september | tolerable weather |
| Samosir in september | tolerable weather |
| Kisaran in september | tolerable weather |
| Langsa in september | tolerable weather |
| Gunung Leuser National Park in september | tolerable weather |
| Tapaktuan in september | very bad weather |
| Sibolga in september | tolerable weather |
Click over cities on the map for information about the weather in september.
Medan
perfect weather
good
tolerable
bad
very bad
Weather data for Medan in september:
Weather data for Medan for september are derived from an average of the weather forecast since 2009 in Medan. There is a margin of error and these forecasts are to be considered as general information only. The weather in Medan can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Medan.