Grosssöding, Austria — Weather in September 2026

Climate Overview

Grosssöding, Austria in September has mild conditions, with highs averaging 20°C (68°F) and noticeably cooler mornings. Rain falls on about 12 days this month.

This month falls at the beginning of Autumn.

Daily highs in September gradually drop from around 22°C (72°F) at the start to 17°C (63°F) by month's end.

September sees fairly even rainfall, totalling about 113 mm across the month.

Expect around 9.7h of sunshine at the start of September, decreasing to 7.4h by the end.

The warmest days tend to fall around the 3th, averaging 22.3°C (72°F).

Compared to August, this month is about 5°C cooler with 3 fewer rainy days. Temperatures begin dropping heading into October.

Monthly September Averages

Temperature

20°C / 11°C

Feels Like

20°C / 10°C

Rain

12 days · 114 mm

Sunshine

8.7h / day

Humidity

79% — Humid

Wind

9 km/h

Wind Direction

W (281°)

Gusts

26 km/h

Daylight

12.5 h

Cloud Cover

59%

Clear Sky Days

2.7

UV Index

4.2 — Moderate

Dew Point

12°C — Comfortable

Moon Phase

Waxing Crescent · 11%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

HighLow

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 06:37

Daylight 12.6h

Sunset 19:14

What to Expect

Daytime temperatures around 20°C (68°F) are ideal for full-day outdoor exploration. Keep afternoons flexible as tropical showers are common — they typically clear within an hour.

Wet weather can spread across much of the day, so it is best to keep outdoor plans flexible.

1 of the last 5 yearly records were warmer than this month's long-run average.

Compare Months

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January	4°C / -4°C	1°C / -8°C	7days (35 mm) Good	5.6h Fair	78% Humid	1.7 Low	Poor	View Details
February	7°C / -2°C	4°C / -6°C	7days (41 mm) Good	6.6h Fair	76% Humid	2.3 Moderate	Poor	View Details
March	11°C / 0°C	8°C / -3°C	10days (52 mm) Wet	8.4h Good	71% Muggy	3.6 Moderate	Poor	View Details
April	15°C / 4°C	13°C / 1°C	10days (73 mm) Wet	9.9h Good	69% Muggy	4.8 Moderate	Fair	View Details
May best	18°C / 8°C	17°C / 6°C	18days (135 mm) Wet	9.6h Good	75% Muggy	5.3 High	Wet	View Details
June best	24°C / 13°C	25°C / 13°C	15days (101 mm) Wet	11.7h Excellent	74% Muggy	6.3 High	Excellent	View Details
July best	25°C / 15°C	27°C / 15°C	15days (124 mm) Wet	11.8h Excellent	73% Muggy	6.2 High	Excellent	View Details
August best	25°C / 14°C	26°C / 15°C	15days (124 mm) Wet	10.6h Excellent	75% Muggy	5.8 High	Excellent	View Details
September best	20°C / 11°C	20°C / 10°C	12days (114 mm) Wet	8.7h Good	79% Humid	4.2 Moderate	Good	View Details
October	16°C / 6°C	14°C / 4°C	9days (62 mm) Wet	7.1h Good	82% Humid	2.9 Moderate	Fair	View Details
November	9°C / 1°C	6°C / -2°C	10days (66 mm) Wet	5.2h Fair	84% Humid	1.9 Low	Poor	View Details
December	5°C / -3°C	2°C / -7°C	8days (47 mm) Wet	5.1h Fair	83% Humid	1.3 Low	Poor	View Details

What to Wear

Dress in layers — a mix of long sleeves, light sweaters, and a versatile jacket works best for changeable conditions.

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

Warm evening layerUmbrellaWaterproof jacketComfortable walking shoes

Frequently Asked Questions

Expand all

Is September a good time to visit Grosssöding?

September is typically good for visiting Grosssöding, with average highs of 20°C (68°F) and around 12 rainy days. Grosssöding, Austria in September has mild conditions, with highs averaging 20°C (68°F) and noticeably cooler mornings.

Does it rain a lot in Grosssöding in September?

Grosssöding typically sees around 12 rainy days in September with 114 mm (4.5 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Grosssöding in September?

Nights in Grosssöding during September are cool at around 11°C (51°F). Bring a jacket or sweater for evenings.

What should I pack for Grosssöding in September?

With highs of 20°C (68°F) and lows of 11°C (51°F) in September, we recommend: Warm evening layer, Umbrella, Waterproof jacket, Comfortable walking shoes. Comfortable walking shoes are essential.

Is September among the best months weather-wise in Grosssöding?

Yes, September offers some of the best weather conditions in Grosssöding with comfortable temperatures and lower chances of rain.

What is the UV index in Grosssöding in September?

The average UV index in Grosssöding during September is 4 (moderate). Sunscreen and sunglasses are recommended during midday hours.

How many hours of daylight are there in Grosssöding in September?

Grosssöding gets approximately 13 hours of daylight per day in September, with around 9 hours of sunshine.

Does it snow in Grosssöding in September?

Snow is uncommon in Grosssöding during September based on 10-year climate averages.

Last updated: