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Weather in Medan for September 2025

Your guide to Medan weather in September - trends and predictions

    Temperatures

  • The forecast for the first days of September 2025 in Medan predicts temperatures to be around 31 °C, close to the historical average.

  • In general, the average temperature in Medan at the beginning of September is 30.6 °C. As the month progressed, temperatures tended to slightly decrease, reaching an average of 30.1 °C by the end of September.

    • Rain 🌧️

  • Medan experiences heavy rainfall in September, with over 20 rainy days and an average total precipitation 594.7 mm.

    • More

  • Is September a good time to visit Medan? check out the best time to travel to Medan page.

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
5
Dry days
Average rainy days
25
Rainy days
Average snowy days
0
Snow days
Average temperatures
31°/22°
Temperatures
Average wind speed
9 km/h
Avg max wind
Average humidity
85 %
Avg humidity

Medan Weather September

Move between months or click on a day
August
October
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Partly cloudy
30°
2
Patchy rain possible
33°
3
Patchy rain possible
33°
4
Patchy rain possible
26°
5
Patchy rain possible
33°
6
Moderate or heavy rain shower
29°
7
Cloudy
30°
8
Sunny
30°
9
Light rain shower
30°
10
Moderate or heavy rain shower
32°
11
Light rain shower
30°
12
Thundery outbreaks possible
32°
13
Cloudy
31°
14
Moderate or heavy rain shower
32°
15
Partly cloudy
31°
16
Light rain shower
31°
17
Light rain shower
32°
18
Patchy rain possible
32°
19
Patchy light rain with thunder
31°
20
Light rain shower
31°
21
Light rain shower
27°
22
Light rain shower
29°
23
Light rain shower
30°
24
Light rain shower
29°
25
Light rain shower
31°
26
Light rain shower
29°
27
Light rain shower
30°
28
Patchy light rain with thunder
31°
29
Patchy light rain with thunder
32°
30
Mist
29°

Temperatures trend during September in Medan

See the weather trend as well as the moving average line

September weather in Medan day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
1 Sept. Partly cloudy
Partly cloudy
 30° /23° 0.1 mm 7
2 Sept. Patchy rain possible
Patchy rain possible
 33° /23° 3.1 mm 6
3 Sept. Patchy rain possible
Patchy rain possible
 33° /23° 0.8 mm 6
4 Sept. Patchy rain possible
Patchy rain possible
 26° /23° 2.1 mm 5
5 Sept. Patchy rain possible
Patchy rain possible
 33° /24° 0.8 mm 6
6 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 29° /22° 28.5 mm 7
7 Sept. Cloudy
Cloudy
 30° /23° 15.3 mm 7
8 Sept. Sunny
Sunny
 30° /23° 6.3 mm 7
9 Sept. Light rain shower
Light rain shower
 30° /22° 4.2 mm 7
10 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 32° /22° 14.6 mm 7
11 Sept. Light rain shower
Light rain shower
 30° /22° 3.7 mm 7
12 Sept. Thundery outbreaks possible
Thundery outbreaks possible
 32° /22° 0.5 mm 7
13 Sept. Cloudy
Cloudy
 31° /22° 4.9 mm 7
14 Sept. Moderate or heavy rain shower
Moderate or heavy rain shower
 32° /22° 4.1 mm 7
15 Sept. Partly cloudy
Partly cloudy
 31° /22° 9.2 mm 8
16 Sept. Light rain shower
Light rain shower
 31° /22° 16.2 mm 7
17 Sept. Light rain shower
Light rain shower
 32° /23° 15.2 mm 7
18 Sept. Patchy rain possible
Patchy rain possible
 32° /22° 5.7 mm 7
19 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 31° /22° 11.8 mm 7
20 Sept. Light rain shower
Light rain shower
 31° /22° 6.9 mm 7
21 Sept. Light rain shower
Light rain shower
 27° /22° 7.4 mm 6
22 Sept. Light rain shower
Light rain shower
 29° /22° 9.7 mm 7
23 Sept. Light rain shower
Light rain shower
 30° /22° 9.8 mm 7
24 Sept. Light rain shower
Light rain shower
 29° /22° 4.7 mm 6
25 Sept. Light rain shower
Light rain shower
 31° /22° 6.6 mm 7
26 Sept. Light rain shower
Light rain shower
 29° /22° 6.1 mm 6
27 Sept. Light rain shower
Light rain shower
 30° /22° 7.5 mm 7
28 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 31° /22° 15.7 mm 7
29 Sept. Patchy light rain with thunder
Patchy light rain with thunder
 32° /23° 14.8 mm 7
30 Sept. Mist
Mist
 29° /22° 5 mm 7
Next
Important Notice
Our weather forecast for Medan in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Medan forecast closer to your planned date for the most up-to-date weather information.
Change Month
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›

Medan weather in September vs August vs October

Compare September weather in Medan with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
AugustSeptemberOctober
WeatherModerate or heavy rain shower
Moderate or heavy rain shower
Light rain shower
Light rain shower
Light rain shower
Light rain shower
Temperatures31°/22°31°/22°31°/22°
Rainfall886 mm595 mm519 mm
Wind8.4 km/h8.6 km/h8.4 km/h
Humidity85%85%85%
Rainy days30 days25 days30 days
Dry days1 days5 days1 days

Planning a trip to Medan? Discover the best time to visit

Medan in September - FAQ

What are the expected maximum and minimum temperatures in Medan during September?
During September, expect a variety of temperatures with highs around 31° and lows near 22°, suitable for diverse activities and preferences.
How much rainfall should be expected in Medan during September?
Significant rainfall exceeding 594.7 mm is expected in Medan during September, occurring over more than 25 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Medan during September?
The average wind speed in Medan during September is 9 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Medan in September?

As you prepare for your trip to Medan in September, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Medan, during September, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Lightweight Clothing: T-shirts, blouses, shorts, skirts
    • Rain Gear: Lightweight, waterproof clothing
  • Footwear
    • Waterproof Shoes
    • Sandals/Flip-flops: Comfortable for warm climates
  • Accessories
    • Sunglasses: For sun protection
    • Sun Hats: Wide-brimmed hats for sun protection in warm weather
    • Umbrellas/Raincoats: For rainy days
  • Personal Items
    • Sunscreen: High SPF for sunny destinations
    • Lip Balm with SPF: To protect against chapped lips
    • Insect Repellent: For destinations with mosquitos or other insects

September rainfall patterns in Medan

Explore the daily rainfall trends and prepare for Medans September weather 💧

UV exposure in Medan during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

Quick links

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Location coordinates Where is Medan?

Get accurate weather forecasts for Medan, located at latitude 3.583 and longitude 98.667. Stay updated with localized weather information tailored for Medan.

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