Temperature
Hot by day, warm at night.
85°Ftypical September high
Typical range
September climate
September in Wilpattu National Park
Sri Lanka · Asia
Hot days and some sun. Humid air is the main drawback.
Some tradeoffs
Daytime high
85°F
Lows around 79°F
Rain
Frequent rain
Sun
10.5 h/day
Air feel
Very humid
When to visit
Month-by-month fit
Best
Precipitation
Rain is frequent. About 14 wet days this month.
47%wet-day frequency
AmountWet-day chance
Sunshine
Cloudier spells limit sunshine.
10.5 hSeptember sunshine
Heat & humidity by month
Very humid air is a major factor this month.
73%September Heat feel
Easy airWarm airHot airHumid airVery humid air
Hourly temperature pattern
In September, afternoons feel about 85° and nights feel near 81°.
WarmHotNight hours
Clear sky
Mostly cloudy skies this month.
24%September Clear sky
Clear skyCloud
Wind pattern
September's typical breeze keeps the air from feeling as stagnant.
15 mphSeptember Breezy
More detailIncludes daypart comfort
Typical September day
September late afternoons are around 83°F, and early evening stays near 82°F.
Avg temp Typical range
Morning82°F
Rain25%
Cloud77%
Humid airVery high
Sun intensityModerate
Midday85°F
Rain27%
Cloud70%
Humid airVery high
Sun intensityStrong
Late afternoon83°F
Rain31%
Cloud70%
Humid airVery high
Sun intensityModerate
Early evening82°F
Feels 83°F
Rain9%
Cloud71%
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 | 83 | 74 | 4.3 | 13 | 10.3 | 78 |
| Feb | 85 | 74 | 2.0 | 5 | 11.1 | 76 |
| Mar | 87 | 77 | 1.4 | 8 | 11.4 | 74 |
| Apr | 88 | 79 | 4.6 | 22 | 10.9 | 79 |
| May | 87 | 80 | 6.1 | 19 | 10.9 | 81 |
| Jun | 86 | 80 | 1.4 | 9 | 11.0 | 80 |
| Jul | 86 | 80 | 1.4 | 10 | 11.0 | 79 |
| Aug | 86 | 79 | 2.0 | 10 | 10.8 | 79 |
| Sep | 85 | 79 | 2.2 | 14 | 10.5 | 80 |
| Oct | 84 | 78 | 9.7 | 25 | 9.5 | 82 |
| Nov | 83 | 76 | 16.0 | 24 | 8.6 | 84 |
| Dec | 83 | 76 | 5.3 | 17 | 9.0 | 82 |
Similar climates
Similar
Similar travel styleChobe National ParkBotswanaSimilar travel styleIquitosPeruSimilar travel styleVang ViengLaosSimilar travel styleOkavango DeltaBotswana
Want a side-by-side climate view? Compare Wilpattu National Park with Chobe National Park.
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: Jul 31, 2026
Data & methodology