Temperature
Hot by day, warm at night.
89°Ftypical September high
Typical range
September climate
September in Sylhet
Bangladesh · Asia
Not the best time: Storm-season showers and humid air are the main limitations.
Not an ideal month
Daytime high
89°F
Lows around 78°F
Rain
Rain most days
Sun
7 h/day
Air feel
Very humid
When to visit
Month-by-month fit
Best
Precipitation
It rains on most days, including some longer spells. About 27 wet days, more than in most months.
90%wet-day frequency
AmountWet-day chance
Sunshine
Cloudier spells limit sunshine.
7.1 hSeptember sunshine
Heat & humidity by month
Very humid air is a major factor this month.
96%September Heat feel
Easy airWarm airHot airHumid airVery humid air
Hourly temperature pattern
In September, afternoons feel about 100° and nights feel near 89°.
ColdCoolComfortableWarmHotSwelteringNight hours
Clear sky
Overcast skies this month.
16%September Clear sky
Clear skyCloud
Wind pattern
Calm winds are typical in September.
2 mphSeptember Calm
More detailIncludes daypart comfort
Typical September day
September late afternoons are around 87°F, easing to about 84°F in early evening.
Avg temp Typical range
Morning84°F
Feels 95°F
Rain60%
Cloud81%
Humid airVery high
Sun intensityLow
Midday88°F
Feels 99°F
Rain62%
Cloud77%
Humid airVery high
Sun intensityModerate
Late afternoon87°F
Feels 98°F
Rain50%
Cloud79%
Humid airVery high
Sun intensityLow
Early evening83°F
Feels 95°F
Rain54%
Cloud84%
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 | 76 | 53 | 0.4 | 2 | 9.8 | 79 |
| Feb | 80 | 58 | 1.4 | 4 | 10.1 | 74 |
| Mar | 85 | 65 | 6.8 | 11 | 10.4 | 75 |
| Apr | 87 | 71 | 20.1 | 21 | 9.2 | 82 |
| May | 87 | 75 | 27.0 | 27 | 7.6 | 84 |
| Jun | 88 | 78 | 36.9 | 29 | 5.6 | 88 |
| Jul | 89 | 79 | 34.9 | 31 | 5.2 | 88 |
| Aug | 89 | 79 | 29.4 | 30 | 6.1 | 87 |
| Sep | 89 | 78 | 19.3 | 27 | 7.1 | 86 |
| Oct | 88 | 74 | 8.7 | 14 | 9.0 | 83 |
| Nov | 84 | 64 | 1.1 | 2 | 10.1 | 78 |
| Dec | 78 | 57 | 0.5 | 1 | 9.8 | 78 |
Similar climates
Similar
Similar travel styleKampotCambodiaSimilar travel styleChiang RaiThailandSimilar travel styleSun Moon LakeTaiwanSimilar travel styleDa LatVietnam
Want a side-by-side climate view? Compare Sylhet with Kampot.
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: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jun 1, 2026
Data & methodology