Monthly climate averages for Bulnes, Chile. Based on 10-year ERA5 reanalysis data.
Csb Warm-Summer Mediterranean
Climate OverviewBulnes, Chile in September has mild conditions, with highs averaging 16.4°C (62°F) and noticeably cooler mornings. Temperatures drop noticeably between day and night.
This month falls at the beginning of Spring.
Daily highs in September gradually rise from around 15°C (60°F) at the start to 18°C (64°F) by month's end.
September sees fairly even rainfall, totalling about 79 mm across the month.
The warmest days tend to fall around the 25th, averaging 18.3°C (65°F).
Compared to August, this month is about 2°C warmer with 3 fewer rainy days. Temperatures will rise further into October.
Daily averages based on historical data (2016–2025)
| Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January best | 29°C / 14°C | 29°C / 12°C | 2days (14 mm) Excellent | 13.1h Excellent | 54% Moderate | 8.9 Very High | Excellent | View Details |
| February best | 29°C / 14°C | 29°C / 13°C | 2days (5 mm) Excellent | 12.2h Excellent | 55% Moderate | 8.2 Very High | Excellent | View Details |
| March best | 25°C / 12°C | 24°C / 10°C | 2days (23 mm) Excellent | 11h Excellent | 62% Muggy | 6.7 High | Excellent | View Details |
| April | 20°C / 9°C | 18°C / 7°C | 6days (69 mm) Good | 8.9h Good | 75% Muggy | 4.6 Moderate | Good | View Details |
| May | 16°C / 7°C | 14°C / 5°C | 9days (115 mm) Wet | 7.2h Good | 83% Humid | 3.1 Moderate | Fair | View Details |
| June | 13°C / 5°C | 11°C / 3°C | 12days (221 mm) Wet | 5.6h Fair | 85% Humid | 2.3 Moderate | Wet | View Details |
| July | 13°C / 4°C | 10°C / 1°C | 12days (141 mm) Wet | 6.6h Fair | 84% Humid | 2.8 Moderate | Poor | View Details |
| August | 14°C / 5°C | 12°C / 2°C | 11days (137 mm) Wet | 7.5h Good | 82% Humid | 3.5 Moderate | Fair | View Details |
| September | 16°C / 6°C | 14°C / 3°C | 8days (82 mm) Wet | 9.1h Good | 77% Humid | 5.2 High | Fair | View Details |
| October | 19°C / 8°C | 18°C / 5°C | 6days (47 mm) Good | 10.8h Excellent | 73% Muggy | 7.1 Very High | Good | View Details |
| November best | 23°C / 10°C | 23°C / 8°C | 3days (30 mm) Excellent | 12.5h Excellent | 65% Muggy | 8.2 Very High | Excellent | View Details |
| December best | 27°C / 12°C | 26°C / 10°C | 3days (12 mm) Excellent | 13.2h Excellent | 57% Moderate | 9 Very High | Excellent | View Details |
Bundle up with a warm coat, scarf, and closed-toe shoes. Thermal layers underneath give flexibility between indoors and outdoors.
Temperatures drop significantly at night, so pack layers you can add or remove throughout the day.
A waterproof jacket or compact umbrella is recommended for occasional showers.
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