Today, 9 September, Wednesday, in Santiago (Chile): cloudy, light rain in places, moderately warm. During the day the air will warm up to +18°, at night around +7°. Due to the wind it feels like +6°. Wind up to 9 km/h. No precipitation expected, you won't need an umbrella. A T-shirt is comfortable during the day, but take a light sweater or windbreaker for the evening. The sun will rise at 07:49 and set at 19:30 — daylight lasts 12 hours.
Hourly weather in Santiago
0%09
0%10
0%11
0%12
0%13
0%14
0%15
3%16
8%17
10%18
8%19
3%20
0%21
0%22
0%23
0%00
0%01
0%02
0%03
2%04
5%05
8%06
12%07
16%08
💧 The bars at the bottom show the hourly precipitation probability. Shaded areas of the chart are the dark hours (before sunrise 🌅 and after sunset 🌇).
Weather in Santiago for 14 days
Tap a day to expand it by time of day and open the full forecast. The bar shows the range from the night low (left) to the day high (right).
▶
Today 9.9
🌦️
💧 10%
+7°+18°
Morning
🌦️
+11°
Day
🌦️
+18°
Evening
🌇
+15°
Night
🌙
+7°
Drizzle · precipitation 10% · wind up to 9 km/h. 🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
▶
Tomorrow 10.9
🌦️
💧 96%
+8°+17°
Morning
☁️
+8°
Day
🌦️
+17°
Evening
🌇
+14°
Night
🌙
+8°
Drizzle · precipitation 96% · wind up to 7 km/h. 🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
▶
Fri 11.9
🌦️
💧 79%
+8°+16°
Morning
🌦️
+11°
Day
🌦️
+16°
Evening
🌇
+14°
Night
🌙
+8°
Drizzle · precipitation 79% · wind up to 7 km/h. 🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
▶
Sat 12.9
☀️
💧 2%
+5°+20°
Morning
☀️
+11°
Day
☀️
+20°
Evening
🌇
+16°
Night
🌙
+5°
Clear · precipitation 2% · wind up to 4 km/h. 🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
▶
Sun 13.9
☁️
+10°+22°
Morning
☁️
+14°
Day
☁️
+22°
Evening
🌇
+19°
Night
🌙
+10°
Overcast · precipitation 0% · wind up to 7 km/h. 🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
▶
Mon 14.9
☁️
+11°+23°
Morning
☁️
+15°
Day
☁️
+23°
Evening
🌇
+20°
Night
🌙
+11°
Overcast · precipitation 0% · wind up to 7 km/h. 🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
▶
Tue 15.9
⛅
+12°+25°
Morning
⛅
+17°
Day
⛅
+25°
Evening
🌇
+22°
Night
🌙
+12°
Partly cloudy · precipitation 0% · wind up to 7 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Wed 16.9
☁️
+12°+24°
Morning
☁️
+16°
Day
☁️
+24°
Evening
🌇
+21°
Night
🌙
+12°
Overcast · precipitation 0% · wind up to 8 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Thu 17.9
☀️
💧 2%
+13°+24°
Morning
☀️
+17°
Day
☀️
+24°
Evening
🌇
+21°
Night
🌙
+13°
Clear · precipitation 2% · wind up to 9 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Fri 18.9
☁️
💧 2%
+11°+23°
Morning
☁️
+15°
Day
☁️
+23°
Evening
🌇
+20°
Night
🌙
+11°
Overcast · precipitation 2% · wind up to 9 km/h. 🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
▶
Sat 19.9
☁️
💧 11%
+14°+25°
Morning
☁️
+18°
Day
☁️
+25°
Evening
🌇
+22°
Night
🌙
+14°
Overcast · precipitation 11% · wind up to 8 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Sun 20.9
☁️
💧 14%
+15°+30°
Morning
☁️
+21°
Day
☁️
+30°
Evening
🌇
+26°
Night
🌙
+15°
Overcast · precipitation 14% · wind up to 9 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Mon 21.9
🌦️
💧 25%
+12°+20°
Morning
🌦️
+15°
Day
🌦️
+20°
Evening
🌇
+18°
Night
🌙
+12°
Drizzle · precipitation 25% · wind up to 15 km/h. 🙂 Mild, pleasant weather. A light sweater will come in handy in the evening.
▶
Tue 22.9
🌦️
💧 33%
+8°+12°
Morning
🌦️
+9°
Day
🌦️
+12°
Evening
🌇
+11°
Night
🌙
+8°
Rain showers · precipitation 33% · wind up to 10 km/h. 🧥 Cool. You'll need a warm jacket; it can get chilly in the evening.
🗺️ Precipitation radar
Precipitation radar (RainViewer) over a clean base map — updates every 5–10 minutes. Colours show nearby precipitation; if there is none, the map is simply clear — that is normal. Zoom with + / −.
Rain intensity:lightmoderateheavy
🎯 What to do in this weather — indices of the day
Comfort score from 0 (bad) to 100 (excellent), calculated from the day's weather. For “rain” and “UV” a percentage/risk level is shown.
🏃 Running
80 / 100
comfort for running · Excellent
🧴 UV
9%
moderate · low
☂️ Rain
10%
unlikely · low
✨ Stars
81 / 100
evening visibility · Excellent
🧺 Laundry drying
32 / 100
will dry outside · So-so
🚗 Car wash
83 / 100
no rain expected · Excellent
🌫️ Air quality
65
Poor air
European AQI
PM2.5: 61PM10: 61O₃: 23NO₂: 53
People with allergies or asthma should reduce time outdoors.
🌅 Sun, moon and sea
Sunrise
07:49
Sunset
19:30
Golden hour
18:57
Daylight
12 h (+2 min vs yesterday)
Santiago climate by month
Long-term averages. Hover over a bar for details. The forecast for a specific month is a combination of the climate normal and the model forecast for the coming weeks.
+28°
+16°
Jan
+28°
+16°
Feb
+26°
+15°
Mar
+22°
+10°
Apr
+18°
+7°
May
+15°
+4°
Jun
+14°
+2°
Jul
+15°
+4°
Aug
+18°
+5°
Sep
+20°
+8°
Oct
+24°
+11°
Nov
+26°
+14°
Dec
swipe sideways →
Bar color shows temperature:frostcoolcomfortablewarmhot— best months to visit
Month
Day
Night
Precipitation
What to pack and what makes the month notable (events, nuances)
January
+28°
+16°
3 mm
Gentle warmth — about +28° daytime, great walking weather. 😊 light summer clothing. This is the hottest month of the year in Santiago.
February
+28°
+16°
5 mm
A comfortable month: +28° by day without exhausting heat. 😊 light summer clothing. Weather-wise, one of the three best months to visit.
March
+26°
+15°
9 mm
Warm and comfortable: +26° by day, +15° at night. 😊 light summer clothing.
April
+22°
+10°
28 mm
Ideal weather: +22° daytime — neither hot nor cold. 🙂 a sweater for the evening.
May
+18°
+7°
60 mm
The most pleasant season: +18° by day, comfortable all day long. 🙂 a sweater for the evening.
June
+15°
+4°
105 mm
Cool: around +15° by day, you'll need a warm layer. It's a rainy month (105 mm) — an umbrella is a must. 🧥 a warm jacket. Statistically the wettest month of the year.
July
+14°
+2°
83 mm
A fresh month — +14° daytime, take a jacket for walks. Frequent rain (83 mm over the month) — keep indoor backup plans. 🧥 a warm jacket. This is the coldest month of the year.
August
+15°
+4°
80 mm
Cool weather: +15° by day, noticeably colder in the evening. One of the wettest months (80 mm): downpours can derail plans. 🧥 a warm jacket.
September
+18°
+5°
55 mm
Cool: around +18° by day, you'll need a warm layer. 🙂 a sweater for the evening.
October
+20°
+8°
38 mm
Ideal weather: +20° daytime — neither hot nor cold. 🙂 a sweater for the evening.
November
+24°
+11°
16 mm
The most pleasant season: +24° by day, comfortable all day long. 🙂 a sweater for the evening.
December
+26°
+14°
7 mm
Warm and comfortable: +26° by day, +14° at night. 😊 light summer clothing. The longest daylight hours of the year — more time for everything.
When to visit Santiago
✅ Recommended time to visit
🌟 Best time: January, February, December
Daytime air+26…+28°
Precipitationalmost none
Why: comfortable +26…+28° by day, little rain.
⚠️ Doable, with caveats
🌤️ Shoulder season: March, April, May, September, October, November
Daytime air+18…+26°
Precipitationoften
Why: cool (+18…+26°) — not beach season, but great for city sights and museums.
🔴 Not the best time
❄️ Cold season: June, July, August
Daytime air+14…+15°
Precipitationoften
Why: cold and dark (+14…+15° by day, 10 h of daylight) — only if frost and short days don’t put you off.
Bottom line: the best time to visit Santiago is December – February, and the most comfortable months are January, February, December. The toughest months to visit are June, July, August: frequent rain.
🌡️ Today vs the climate normal
Today's high
+18°
Normal for September
+18°
Deviation
0° within normal
A year ago on this day
+23°
Record for this date
+26° (1943)
The normal, “a year ago” and the record come from the weather archive since 1940 (Open-Meteo / ERA5).
Weather archive for Santiago
📅 See what the weather was like on any day since 1940. For example: “what was the weather on March 2, 2021”.