La Unión in September
8.6out of 10
Yes, a good time to go
Warm and comfortable: highs around 24°C. Very dry: about 3 rainy days.
24°CAvg high
22°CAvg low
3Rainy days (33 mm)
12:14 hDaylight
07:51Sunrise · 20:05 Sunset
Why this score
- Warm and comfortable: highs around 24°C
- Very dry: about 3 rainy days
What to wear and pack
- T-shirts and light layers
How reliable is the forecast?
Rainfall in September is fairly consistent from year to year (2.6 days). 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 | 14°C | 12°C | 35 mm | 5 | – | – | 7.3 |
| February | 14°C | 12°C | 23 mm | 4 | – | – | 7.3 |
| March | 15°C | 13°C | 28 mm | 4 | – | – | 7.4 |
| April | 17°C | 15°C | 22 mm | 3 | – | – | 7.8 |
| May | 19°C | 17°C | 16 mm | 2 | – | – | 8.3 |
| June | 22°C | 20°C | 5 mm | 1 | – | – | 9.0 |
| July | 25°C | 23°C | 1 mm | 0 | – | – | 9.1 |
| August | 26°C | 24°C | 6 mm | 1 | – | – | 8.9 |
| September | 24°C | 22°C | 33 mm | 3 | – | – | 8.6 |
| October | 21°C | 19°C | 36 mm | 4 | – | – | 8.4 |
| November | 18°C | 16°C | 39 mm | 6 | – | – | 7.6 |
| December | 15°C | 13°C | 30 mm | 5 | – | – | 7.4 |
Frequently asked questions
How hot is La Unión in September?
Daytime highs average 24°C and nights about 22°C.
When is the best time to visit La Unión?
The best months are July, June, August, September.