Berlin in September

In September, Berlin averages 20°C (68°F) during the day and 10°C (50°F) at night, with around 8 days of rain (45 mm total).

High season

Conditions are comfortable for sightseeing without being sweltering. Occasional showers are likely but won't dominate.

September is a great month to visit Berlin: pleasant temperatures and relatively few wet days.

20°C
Avg high
10°C
Avg low
8
Rain days
45 mm
Rainfall

How September compares to the rest of the year in Berlin

5th
warmest month of the 12
11th
wettest month of the 12
8%
of yearly rainfall falls in September
12 h 43 min
daylight on the 15th

September is in the middle of the year for warmth in Berlin (5th of 12) and one of the driest months (11th of 12). Daytime temperature runs 6°C above the annual average (14°C). September runs 5°C cooler than August (25°C) and cools 6°C in October (14°C).

September sunrise & sunset in Berlin

🌅
Sunrise (15th)
6:40 AM
🌇
Sunset (15th)
7:23 PM
Day length
12 h 43 min

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

Photography light in Berlin — September

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

🌅 Blue hour (AM)
5:40 AM – 6:20 AM
🌄 Golden hour (AM)
6:20 AM – 7:20 AM
🌇 Golden hour (PM)
6:43 PM – 7:43 PM
🌆 Blue hour (PM)
7:43 PM – 8:23 PM

📅 When to book — Berlin 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 (High season) and Berlin's popularity.

✈ Flights — lead time
3-4 months
Prices are above off-season but not the absolute peak. Tuesday/Wednesday departures are usually cheaper than weekend ones.
🏨 Lodging — lead time
3-5 months
Wide selection still available at this lead time. Premium properties book first; consider 'last-minute deal' availability at 2-week mark if your dates are flexible.

September in Germany — events that affect travel

Known cultural, religious, or national events that surge prices, fill hotels, or close businesses during this month. Plan around them, or build your itinerary around the ones you'd like to see.

🍺
Oktoberfest
Festival · high impact

Munich hotels triple in price and book out 6+ months ahead. The festival itself draws 6M+ visitors. Other German cities are unaffected.

Plan: Don't try to wing it. Book accommodation 8+ months out, or stay an hour away by train.

Crowds & pricing — September in Berlin

High season

This is a busy month in Berlin — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.

Why this tier: excellent tourism weather

Sun & mosquito risk — September in Berlin

☀️ UV Index (noon, 15th)
7.2
High
Cover up and apply SPF 30+ for any outdoor activity longer than 30 minutes.
🦟 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.

Berlin in other months

MonthAvg highAvg lowRainfallRain daysSnow days
January 3°C / 37°F -2°C / 28°F 45 mm 10 4
February 5°C / 41°F -2°C / 28°F 35 mm 8 4
March 10°C / 50°F 1°C / 34°F 40 mm 9 2
April 15°C / 59°F 4°C / 39°F 35 mm 8 0
May 20°C / 68°F 9°C / 48°F 55 mm 8 0
June 23°C / 73°F 12°C / 54°F 65 mm 8 0
July 25°C / 77°F 14°C / 57°F 55 mm 8 0
August 25°C / 77°F 14°C / 57°F 55 mm 7 0
September 20°C / 68°F 10°C / 50°F 45 mm 8 0
October 14°C / 57°F 6°C / 43°F 40 mm 9 0
November 7°C / 45°F 2°C / 36°F 45 mm 10 1
December 3°C / 37°F -1°C / 30°F 55 mm 11 3

Other cities with similar September weather

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

Frequently asked questions

How hot is Berlin in September?

In September, Berlin 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 Berlin in September?

September sees occasional rain in Berlin, with about 8 rainy days on average.

Is September a good time to visit Berlin?

September is mild and pleasant. 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 Berlin in September?

Pack light layers for warm days and cooler evenings. See the full September packing list for Berlin for a complete, climate-based checklist.

Open Berlin on the interactive map

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