Gramado in September

In September, Gramado averages 20°C (68°F) during the day and 10°C (50°F) at night, with frequent rain — about 19 days of the month see precipitation (195 mm total).

Shoulder

Conditions are comfortable for sightseeing without being sweltering. Expect daily rain or showers, often in heavy bursts.

September offers comfortable temperatures in Gramado, with some rain to plan around.

20°C
Avg high
10°C
Avg low
19
Rain days
195 mm
Rainfall

How September compares to the rest of the year in Gramado

8th
warmest month of the 12
6th
wettest month of the 12
10%
of yearly rainfall falls in September
11 h 54 min
daylight on the 15th

September is in the middle of the year for warmth in Gramado (8th of 12) and moderately rainy compared to the rest of the year (6th of 12). Daytime temperature runs 1°C below the annual average (21°C). September runs 1°C warmer than August (19°C) and warms a further 1°C into October (21°C).

September sunrise & sunset in Gramado

🌅
Sunrise (15th)
6:21 AM
🌇
Sunset (15th)
6:15 PM
Day length
11 h 54 min

Times shown for Gramado local time (America/Sao_Paulo), calculated for the 15th of September. They shift by a few minutes day to day across the month.

Photography light in Gramado — September

Golden-hour and blue-hour windows for the 15th of September, in Gramado's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).

🌅 Blue hour (AM)
5:21 AM – 6:01 AM
🌄 Golden hour (AM)
6:01 AM – 7:01 AM
🌇 Golden hour (PM)
5:35 PM – 6:35 PM
🌆 Blue hour (PM)
6:35 PM – 7:15 PM
Milky Way galactic core
Fair
Core only briefly above the horizon — a marginal month even from dark sites near Gramado.

📅 When to book — Gramado in September

Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on September's tier (Shoulder) and Gramado's popularity.

✈ Flights — lead time
6-10 weeks
Sweet spot for value. Major fare-sales (US: Black Friday, EU: post-Easter) hit hardest in shoulder months for shoulder travel.
🏨 Lodging — lead time
4-8 weeks
Lots of selection. Look for shoulder-season packages — many hotels add value (free breakfast, spa credit) to fill rooms.

Crowds & pricing — September in Gramado

Shoulder

Gramado is in a shoulder season month — fewer crowds, slightly lower prices, and a calmer atmosphere than peak weeks. Most major sights stay open with normal hours, though a handful of seasonal restaurants or boat trips may run reduced schedules. Many regulars consider these months the best time to visit because you trade a small amount of weather reliability for a much more pleasant on-the-ground experience.

Why this tier: comfortable tourism weather

Sun & mosquito risk — September in Gramado

☀️ UV Index (noon, 15th)
10.6
Very high
Limit sun exposure between 11 AM and 3 PM; SPF 30-50, reapply every 90 minutes outdoors.
🦟 Mosquito risk
●●●○○
Moderate
Active mosquito season. DEET 25-30% repellent recommended, especially at dawn/dusk.

UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.

Gramado in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 26°C / 78°F 17°C / 62°F 200 mm 25
February 25°C / 77°F 16°C / 60°F 135 mm 22
March 23°C / 74°F 15°C / 58°F 160 mm 23
April 21°C / 70°F 12°C / 54°F 113 mm 18
May 17°C / 63°F 9°C / 49°F 164 mm 17
June 16°C / 61°F 8°C / 46°F 170 mm 14
July 17°C / 62°F 8°C / 46°F 147 mm 14
August 19°C / 65°F 8°C / 47°F 114 mm 14
September 20°C / 68°F 10°C / 50°F 195 mm 19
October 21°C / 70°F 11°C / 53°F 180 mm 21
November 23°C / 73°F 12°C / 54°F 163 mm 19
December 25°C / 77°F 15°C / 59°F 168 mm 21

Other cities with similar September weather

🌍 See the full ranked list of climate twins for Gramado in September →

Frequently asked questions

How hot is Gramado in September?

In September, Gramado averages a high of 20°C (68°F) and a low of 10°C (50°F) — generally mild and pleasant.

Does it rain a lot in Gramado in September?

September is quite rainy in Gramado, with about 19 rainy days on average.

Is September a good time to visit Gramado?

September is mild and pleasant but on the rainy side. It suits travelers who are comfortable with mild and pleasant weather; check the month-by-month ranking to compare it against the rest of the year.

What should I pack for Gramado in September?

Pack light layers for warm days and cooler evenings, plus a compact umbrella or rain jacket. See the full September packing list for Gramado for a complete, climate-based checklist.

Open Gramado on the interactive map

Check the live 10-day forecast and sunrise/sunset.