Vavuniya weather in September
In September, Vavuniya sees average daytime highs of 34°C and overnight lows near 25°C, with 72 mm of rain across 11.6 wet days and about 12.1 hours of daylight. It is the 6th-warmest and 6th-wettest month of the year here.
Day-to-day highs hold fairly steady near 34°C through the month. The sky is clear or mostly clear about 11% of the time in September, and the air most often feels oppressive.
Daylight stretches from about 12 h 12 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Vavuniya's 6th-clearest and 4th-windiest month. For the whole year in context, see Vavuniya's year-round climate.
- Daytime high
- 34°
- 6th warmest
- Overnight low
- 25°
- 8th coldest
- Rainfall
- 72 mm
- 11.6 wet days
- Daylight
- 12 hours
- 6:01 AM – 6:04 PM
- Cloud cover
- 74%
- 6th clearest
- Wind
- 17 km/h
- 4th windiest
- Solar energy
- 5.7 kWh/m²
- Travel score
- 2.9
- out of 10
Vavuniya is human settlement.
- Density
- 2,674/km²
- people per km²
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in September
Day-to-day highs hold fairly steady near 34°C through the month.
A typical September day in Vavuniya reaches about 34°C in the afternoon and slips back to 25°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 36°C. Set against its neighbours, September runs on par with August and about 2°C warmer than October.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 33 | 33 | 33 | 33 | 33 |
| Avg low (°C) | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 34 | 26 |
| 2 | 34 | 26 |
| 3 | 34 | 26 |
| 4 | 34 | 26 |
| 5 | 34 | 26 |
| 6 | 34 | 26 |
| 7 | 34 | 26 |
| 8 | 34 | 26 |
| 9 | 34 | 26 |
| 10 | 34 | 26 |
| 11 | 34 | 26 |
| 12 | 34 | 26 |
| 13 | 34 | 26 |
| 14 | 34 | 26 |
| 15 | 34 | 26 |
| 16 | 34 | 25 |
| 17 | 34 | 25 |
| 18 | 34 | 25 |
| 19 | 34 | 25 |
| 20 | 34 | 25 |
| 21 | 34 | 25 |
| 22 | 34 | 25 |
| 23 | 34 | 25 |
| 24 | 34 | 25 |
| 25 | 34 | 25 |
| 26 | 33 | 25 |
| 27 | 33 | 25 |
| 28 | 33 | 25 |
| 29 | 33 | 25 |
| 30 | 33 | 25 |
How September really feels in Vavuniya
Once humidity and wind are folded in, September averages 30 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Vavuniya weather by month
How September compares with the rest of the year at a glance. September is the 6th-warmest and 6th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 29° / 22° | 69 | 10.2 | 11.5 | 5.4 |
| Feb | 31° / 22° | 45 | 7.5 | 11.7 | 5.0 |
| Mar | 33° / 23° | 44 | 7.3 | 11.9 | 3.6 |
| Apr | 34° / 25° | 102 | 15.2 | 12.2 | 2.6 |
| May | 34° / 26° | 75 | 12.4 | 12.4 | 2.8 |
| Jun | 34° / 26° | 29 | 7.2 | 12.5 | 3.0 |
| Jul | 34° / 26° | 45 | 8.6 | 12.5 | 2.9 |
| Aug | 34° / 26° | 58 | 10.3 | 12.3 | 2.9 |
| Sep | 34° / 25° | 72 | 11.6 | 12.1 | 2.9 |
| Oct | 32° / 24° | 189 | 20.2 | 11.8 | 3.0 |
| Nov | 30° / 23° | 234 | 22.9 | 11.6 | 3.5 |
| Dec | 29° / 23° | 163 | 18.3 | 11.5 | 4.5 |
Cloud cover in September
The sky is clear or mostly clear about 11% of the time in September.
Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 72%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 24 | 24 | 24 | 24 | 25 | 26 | 26 | 26 | 27 | 27 | 27 | 29 | 30 | 30 | 30 | 30 | 32 | 31 | 31 | 31 | 30 | 30 | 29 | 29 | 28 | 28 | 29 | 29 | 29 | 29 |
| Cloudier (%) | 76 | 76 | 76 | 76 | 75 | 74 | 74 | 74 | 73 | 73 | 73 | 71 | 70 | 70 | 70 | 70 | 68 | 69 | 69 | 69 | 70 | 70 | 71 | 71 | 72 | 72 | 71 | 71 | 71 | 71 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 24 | 76 |
| 2 | 24 | 76 |
| 3 | 24 | 76 |
| 4 | 24 | 76 |
| 5 | 25 | 75 |
| 6 | 26 | 74 |
| 7 | 26 | 74 |
| 8 | 26 | 74 |
| 9 | 27 | 73 |
| 10 | 27 | 73 |
| 11 | 27 | 73 |
| 12 | 29 | 71 |
| 13 | 30 | 70 |
| 14 | 30 | 70 |
| 15 | 30 | 70 |
| 16 | 30 | 70 |
| 17 | 32 | 68 |
| 18 | 31 | 69 |
| 19 | 31 | 69 |
| 20 | 31 | 69 |
| 21 | 30 | 70 |
| 22 | 30 | 70 |
| 23 | 29 | 71 |
| 24 | 29 | 71 |
| 25 | 28 | 72 |
| 26 | 28 | 72 |
| 27 | 29 | 71 |
| 28 | 29 | 71 |
| 29 | 29 | 71 |
| 30 | 29 | 71 |
Chance of precipitation in September
Vavuniya gets around 72 mm of rain over 11.6 wet days in September. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 39% and peaks near 54% on the wettest days. The odds climb toward the end of the month.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 32 | 32 | 32 | 32 | 33 | 33 | 32 | 32 | 32 | 32 | 32 | 33 | 33 | 34 | 34 | 35 | 36 | 38 | 39 | 40 | 42 | 44 | 45 | 47 | 49 | 50 | 51 | 53 | 53 | 54 |
| Rain chance (%) | |
|---|---|
| 1 | 32 |
| 2 | 32 |
| 3 | 32 |
| 4 | 32 |
| 5 | 33 |
| 6 | 33 |
| 7 | 32 |
| 8 | 32 |
| 9 | 32 |
| 10 | 32 |
| 11 | 32 |
| 12 | 33 |
| 13 | 33 |
| 14 | 34 |
| 15 | 34 |
| 16 | 35 |
| 17 | 36 |
| 18 | 38 |
| 19 | 39 |
| 20 | 40 |
| 21 | 42 |
| 22 | 44 |
| 23 | 45 |
| 24 | 47 |
| 25 | 49 |
| 26 | 50 |
| 27 | 51 |
| 28 | 53 |
| 29 | 53 |
| 30 | 54 |
Humidity in September
Most of September feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, September lands in the oppressive band about 91% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Muggy (%) | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 |
| Oppressive (%) | 92 | 92 | 92 | 91 | 91 | 91 | 91 | 90 | 90 | 90 | 91 | 91 | 91 | 91 | 92 | 92 | 92 | 92 | 92 | 92 | 92 | 91 | 91 | 90 | 89 | 88 | 88 | 87 | 87 | 86 |
| Miserable (%) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 6 | 6 | 7 | 7 | 8 | 8 | 9 | 9 | 10 |
| Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|
| 1 | 4 | 92 | 4 |
| 2 | 4 | 92 | 4 |
| 3 | 4 | 92 | 4 |
| 4 | 5 | 91 | 4 |
| 5 | 5 | 91 | 4 |
| 6 | 5 | 91 | 4 |
| 7 | 5 | 91 | 4 |
| 8 | 6 | 90 | 4 |
| 9 | 6 | 90 | 4 |
| 10 | 6 | 90 | 4 |
| 11 | 5 | 91 | 4 |
| 12 | 5 | 91 | 4 |
| 13 | 5 | 91 | 4 |
| 14 | 5 | 91 | 4 |
| 15 | 4 | 92 | 4 |
| 16 | 4 | 92 | 4 |
| 17 | 4 | 92 | 4 |
| 18 | 4 | 92 | 4 |
| 19 | 3 | 92 | 5 |
| 20 | 3 | 92 | 5 |
| 21 | 3 | 92 | 5 |
| 22 | 3 | 91 | 6 |
| 23 | 3 | 91 | 6 |
| 24 | 3 | 90 | 7 |
| 25 | 4 | 89 | 7 |
| 26 | 4 | 88 | 8 |
| 27 | 4 | 88 | 8 |
| 28 | 4 | 87 | 9 |
| 29 | 4 | 87 | 9 |
| 30 | 4 | 86 | 10 |
Wind in September
Winds average 17 km/h in September.
Across September, daily wind ranges from about 14 km/h on the calmest days to 17 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 14 | 14 |
| Feels | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 17 | light breeze |
| 2 | 17 | light breeze |
| 3 | 17 | light breeze |
| 4 | 17 | light breeze |
| 5 | 17 | light breeze |
| 6 | 17 | light breeze |
| 7 | 17 | light breeze |
| 8 | 17 | light breeze |
| 9 | 17 | light breeze |
| 10 | 17 | light breeze |
| 11 | 17 | light breeze |
| 12 | 17 | light breeze |
| 13 | 17 | light breeze |
| 14 | 17 | light breeze |
| 15 | 17 | light breeze |
| 16 | 17 | light breeze |
| 17 | 17 | light breeze |
| 18 | 17 | light breeze |
| 19 | 17 | light breeze |
| 20 | 16 | light breeze |
| 21 | 16 | light breeze |
| 22 | 16 | light breeze |
| 23 | 16 | light breeze |
| 24 | 16 | light breeze |
| 25 | 15 | light breeze |
| 26 | 15 | light breeze |
| 27 | 15 | light breeze |
| 28 | 15 | light breeze |
| 29 | 14 | light breeze |
| 30 | 14 | light breeze |
Sunrise & sunset in September
Daylight runs from about 12 h 12 min at the start of September to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 18 minutes over September. Sunrise moves from 6:03 AM to 5:59 AM, and sunset from 6:13 PM to 5:55 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.2 | 12.2 | 12.2 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.9 | 11.9 | 11.9 |
| Sunrise (AM) | 6:03 | 6:03 | 6:02 | 6:02 | 6:02 | 6:02 | 6:02 | 6:02 | 6:02 | 6:02 | 6:02 | 6:01 | 6:01 | 6:01 | 6:01 | 6:01 | 6:01 | 6:01 | 6:01 | 6:00 | 6:00 | 6:00 | 6:00 | 6:00 | 6:00 | 6:00 | 6:00 | 6:00 | 5:59 | 5:59 |
| Sunset (PM) | 6:13 | 6:12 | 6:12 | 6:11 | 6:10 | 6:10 | 6:09 | 6:09 | 6:08 | 6:07 | 6:07 | 6:06 | 6:06 | 6:05 | 6:04 | 6:04 | 6:03 | 6:03 | 6:02 | 6:01 | 6:01 | 6:00 | 5:59 | 5:59 | 5:58 | 5:58 | 5:57 | 5:56 | 5:56 | 5:55 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.2 | 6:03 | 6:13 |
| 2 | 12.2 | 6:03 | 6:12 |
| 3 | 12.2 | 6:02 | 6:12 |
| 4 | 12.1 | 6:02 | 6:11 |
| 5 | 12.1 | 6:02 | 6:10 |
| 6 | 12.1 | 6:02 | 6:10 |
| 7 | 12.1 | 6:02 | 6:09 |
| 8 | 12.1 | 6:02 | 6:09 |
| 9 | 12.1 | 6:02 | 6:08 |
| 10 | 12.1 | 6:02 | 6:07 |
| 11 | 12.1 | 6:02 | 6:07 |
| 12 | 12.1 | 6:01 | 6:06 |
| 13 | 12.1 | 6:01 | 6:06 |
| 14 | 12.1 | 6:01 | 6:05 |
| 15 | 12.1 | 6:01 | 6:04 |
| 16 | 12.0 | 6:01 | 6:04 |
| 17 | 12.0 | 6:01 | 6:03 |
| 18 | 12.0 | 6:01 | 6:03 |
| 19 | 12.0 | 6:01 | 6:02 |
| 20 | 12.0 | 6:00 | 6:01 |
| 21 | 12.0 | 6:00 | 6:01 |
| 22 | 12.0 | 6:00 | 6:00 |
| 23 | 12.0 | 6:00 | 5:59 |
| 24 | 12.0 | 6:00 | 5:59 |
| 25 | 12.0 | 6:00 | 5:58 |
| 26 | 12.0 | 6:00 | 5:58 |
| 27 | 12.0 | 6:00 | 5:57 |
| 28 | 11.9 | 6:00 | 5:56 |
| 29 | 11.9 | 5:59 | 5:56 |
| 30 | 11.9 | 5:59 | 5:55 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 5.7 kWh/m².
For context, solar energy here swings from a low near 3.84 kWh/m² to a high of 6.24 kWh/m² in March across the year — September's 5.7 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.6 | 5.6 | 5.6 | 5.6 | 5.5 | 5.5 | 5.5 | 5.5 | 5.4 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.8 | Bright |
| 2 | 5.8 | Bright |
| 3 | 5.8 | Bright |
| 4 | 5.8 | Bright |
| 5 | 5.8 | Bright |
| 6 | 5.8 | Bright |
| 7 | 5.8 | Bright |
| 8 | 5.8 | Bright |
| 9 | 5.8 | Bright |
| 10 | 5.8 | Bright |
| 11 | 5.8 | Bright |
| 12 | 5.8 | Bright |
| 13 | 5.8 | Bright |
| 14 | 5.8 | Bright |
| 15 | 5.8 | Bright |
| 16 | 5.8 | Bright |
| 17 | 5.7 | Bright |
| 18 | 5.7 | Bright |
| 19 | 5.7 | Bright |
| 20 | 5.7 | Bright |
| 21 | 5.7 | Bright |
| 22 | 5.6 | Bright |
| 23 | 5.6 | Bright |
| 24 | 5.6 | Bright |
| 25 | 5.6 | Bright |
| 26 | 5.5 | Bright |
| 27 | 5.5 | Bright |
| 28 | 5.5 | Bright |
| 29 | 5.5 | Bright |
| 30 | 5.4 | Bright |
Hazard calendar for Vavuniya
In September, Vavuniya sits inside its cyclone season. The full year is below, with each hazard's peak months called out.
Vavuniya sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.
Vavuniya's rainy season runs October–December, when most of the year's rain falls.
Is September a good time to visit Vavuniya?
Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
September is a weaker month for outdoor sightseeing in Vavuniya.
What to pack for Vavuniya in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Vavuniya sees daytime highs around 34°C and nights near 25°C. Pack light clothes. Worth having: rain gear and sun protection. About 12 days see rain.
Sea temperature near Vavuniya in September
The nearest coast averages about 28°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 58 km away) is warmest in April at about 31°C and coldest in January near 27°C.
The water stays above 20°C all year — warm enough for a swim any month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 27 | 28 | 29 | 31 | 30 | 29 | 29 | 28 | 28 | 29 | 29 | 27 |
| Comfort | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 28 | Warm |
| Mar | 29 | Tropical |
| Apr | 31 | Tropical |
| May | 30 | Tropical |
| Jun | 29 | Tropical |
| Jul | 29 | Tropical |
| Aug | 28 | Tropical |
| Sep | 28 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 27 | Warm |
UV index in Vavuniya in September
Clear-sky midday UV in September peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Vavuniya peaks around May 10 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 9 (very high).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 9 | 12 | 12 | 13 | 14 | 11 | 12 | 13 | 12 | 12 | 11 | 9 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 12 | Extreme |
| Mar | 12 | Extreme |
| Apr | 13 | Extreme |
| May | 14 | Extreme |
| Jun | 11 | Extreme |
| Jul | 12 | Extreme |
| Aug | 13 | Extreme |
| Sep | 12 | Extreme |
| Oct | 12 | Extreme |
| Nov | 11 | Extreme |
| Dec | 9 | Very high |
Air quality in Vavuniya in September
Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.
Air quality in Vavuniya is worst in May — around 24 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 20 | 19 | 21 | 22 | 24 | 18 | 17 | 18 | 16 | 18 | 18 | 19 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 20 | Moderate |
| Feb | 19 | Moderate |
| Mar | 21 | Moderate |
| Apr | 22 | Moderate |
| May | 24 | Moderate |
| Jun | 18 | Moderate |
| Jul | 17 | Moderate |
| Aug | 18 | Moderate |
| Sep | 16 | Moderate |
| Oct | 18 | Moderate |
| Nov | 18 | Moderate |
| Dec | 19 | Moderate |
Where is Vavuniya?
Vavuniya sits at 8.8°N, 80.5°E, 104 m above sea level, in Sri Lanka. The nearest listed city is Anuradhapura, 50 km away.
Topography around Vavuniya
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Vavuniya.
Within 3 km, the terrain around Vavuniya has only modest variations in elevation — a maximum elevation change of 29 m around an average of 96 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 169 m; within 80 km, large variations in elevation — a maximum elevation change of 732 m.
The land around Vavuniya is covered by trees (58%) within 3 km, trees (64%) within 16 km, and trees (61%) within 80 km.
Sri Lanka travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type D / G / M
- 230 V · 50 Hz
- Prices
- ≈ 27% of US
- price level, 2025
- GDP per capita
- $5,002
- 2025
- Happiness
- 4.0 / 10
- World Happiness, 2025
- Safe drinking water
- 47%
- of population, 2024
- Homicide rate
- 3.3
- per 100k, 2019
- Road deaths
- 19.7
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- Low
- EF EPI 486
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Vavuniya (8.7514°, 80.4971°, elevation 104 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).