Temperature
Hot by day, warm at night.
88°Ftypical September high
Typical range
September climate
September in Medan
Indonesia · Asia
Not the best time: Humid air is the main limitation.
Not an ideal month
Daytime high
88°F
Lows around 73°F
Rain
Rain most days
Sun
Not available
Air feel
Very humid
When to visit
Month-by-month fit
Best
Precipitation
It rains on most days. About 28 wet days, more than in most months.
93%wet-day frequency
AmountWet-day chance
Sunshine
Sunshine estimates are less reliable here; cloud and rain patterns are a better guide.
Heat & humidity by month
Very humid air is a major factor this month.
53%September Heat feel
Humid airVery humid air
Hourly temperature pattern
In September, afternoons feel about 97° and nights feel near 82°.
WarmHotSwelteringNight hours
Clear sky
Overcast skies this month.
10%September Clear sky
Clear skyCloud
Wind pattern
Calm winds are typical in September.
3 mphSeptember Calm
More detailIncludes daypart comfort
Typical September day
September late afternoons are around 85°F, easing to about 80°F in early evening.
Avg temp Typical range
Morning81°F
Feels 91°F
Rain25%
Cloud88%
Humid airVery high
Sun intensityModerate
Midday88°F
Feels 97°F
Rain59%
Cloud86%
Humid airVery high
Sun intensityStrong
Late afternoon85°F
Feels 95°F
Rain78%
Cloud88%
Humid airVery high
Sun intensityModerate
Early evening80°F
Feels 90°F
Rain48%
Cloud93%
Humid airVery high
Sun intensityMinimal
Best windowData tableView month-by-month numbers
View month-by-month numbers
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 87 | 73 | 8.5 | 25 | — | 85 |
| Feb | 89 | 73 | 5.9 | 21 | — | 83 |
| Mar | 90 | 73 | 7.5 | 24 | — | 83 |
| Apr | 90 | 74 | 10.0 | 26 | — | 85 |
| May | 90 | 75 | 10.9 | 27 | — | 85 |
| Jun | 90 | 74 | 8.6 | 23 | — | 85 |
| Jul | 89 | 73 | 8.3 | 23 | — | 85 |
| Aug | 89 | 73 | 9.9 | 26 | — | 86 |
| Sep | 88 | 73 | 13.2 | 28 | — | 87 |
| Oct | 88 | 74 | 15.1 | 29 | — | 87 |
| Nov | 87 | 74 | 14.7 | 29 | — | 87 |
| Dec | 87 | 73 | 12.3 | 28 | — | 87 |
Similar climates
Similar
Similar travel styleJakartaIndonesiaSimilar travel styleKuala LumpurMalaysiaSimilar travel styleManilaPhilippinesSimilar travel styleBelemBrazil
Want a side-by-side climate view? Compare Medan with Jakarta.
Climate data notePlanning guidance, not a forecast
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: temporarily unavailable while its source is reviewed.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology