Jaffna in September
7.4out of 10
Possible, with caveats
Warm and comfortable: highs around 29°C. Frequent rain: about 12 rainy days.
29°CAvg high
27°CAvg low
12Rainy days (68 mm)
12:03 hDaylight
06:03Sunrise · 18:06 Sunset
Why this score
- Warm and comfortable: highs around 29°C
- Frequent rain: about 12 rainy days
- Rain varies a lot between years (±5.2 days)
What to wear and pack
- T-shirts and light layers
- Shorts or a light skirt
- Rain jacket or compact umbrella
- Sunscreen, sunglasses and a hat
How reliable is the forecast?
Rain in September varies a lot between years (±5.2 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 27°C | 25°C | 62 mm | 7 | – | – | 8.2 |
| February | 27°C | 25°C | 25 mm | 4 | – | – | 8.5 |
| March | 29°C | 26°C | 22 mm | 3 | – | – | 8.6 |
| April | 30°C | 28°C | 46 mm | 8 | – | – | 7.7 |
| May | 30°C | 28°C | 57 mm | 7 | – | – | 7.7 |
| June | 30°C | 28°C | 27 mm | 6 | – | – | 8.0 |
| July | 30°C | 28°C | 33 mm | 9 | – | – | 7.7 |
| August | 29°C | 27°C | 48 mm | 11 | – | – | 7.6 |
| September | 29°C | 27°C | 68 mm | 12 | – | – | 7.4 |
| October | 29°C | 26°C | 207 mm | 21 | – | – | 6.1 |
| November | 28°C | 26°C | 314 mm | 22 | – | – | 6.1 |
| December | 27°C | 25°C | 196 mm | 16 | – | – | 6.4 |
Frequently asked questions
How hot is Jaffna in September?
Daytime highs average 29°C and nights about 27°C.
When is the best time to visit Jaffna?
The best months are March, February, January, June.