Altamira in September
5.7out of 10
Possible, with caveats
Hot: daytime highs around 31°C. Very wet: about 20 rainy days.
31°CAvg high
25°CAvg low
20Rainy days (173 mm)
12:07 hDaylight
07:22Sunrise · 19:30 Sunset
Why this score
- Hot: daytime highs around 31°C
- Very wet: about 20 rainy days
- Rain varies a lot between years (±4.2 days)
What to wear and pack
- Light, breathable clothing
- 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 (±4.2 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 | 23°C | 17°C | 34 mm | 6 | – | – | 8.2 |
| February | 25°C | 18°C | 22 mm | 4 | – | – | 8.5 |
| March | 27°C | 20°C | 24 mm | 5 | – | – | 8.5 |
| April | 29°C | 22°C | 29 mm | 5 | – | – | 8.5 |
| May | 31°C | 24°C | 41 mm | 9 | – | – | 7.5 |
| June | 31°C | 25°C | 114 mm | 17 | – | – | 6.0 |
| July | 31°C | 25°C | 124 mm | 18 | – | – | 5.9 |
| August | 31°C | 25°C | 109 mm | 18 | – | – | 5.9 |
| September | 31°C | 25°C | 173 mm | 20 | – | – | 5.7 |
| October | 29°C | 23°C | 99 mm | 13 | – | – | 7.3 |
| November | 26°C | 20°C | 45 mm | 8 | – | – | 8.0 |
| December | 24°C | 17°C | 25 mm | 6 | – | – | 8.3 |
Frequently asked questions
How hot is Altamira in September?
Daytime highs average 31°C and nights about 25°C.
When is the best time to visit Altamira?
The best months are February, March, April, December.