Bitsch, Switzerland — Weather in September 2026

Climate Overview

Bitsch, Switzerland in September has mild conditions, with highs averaging 20°C (68°F) and noticeably cooler mornings. Rain falls on about 16 days this month, totalling around 120 mm.

This month falls at the beginning of Autumn.

Daily highs in September gradually drop from around 22°C (71°F) at the start to 18°C (64°F) by month's end.

September sees fairly even rainfall, totalling about 119 mm across the month.

Expect around 10.2h of sunshine at the start of September, decreasing to 9.2h by the end.

The warmest days tend to fall around the 5th, averaging 22.1°C (72°F).

Compared to August, this month is about 4°C cooler with 0 fewer rainy days. Temperatures begin dropping heading into October.

Monthly September Averages

Temperature

20°C / 11°C

Feels Like

21°C / 11°C

Rain

16 days · 120 mm

Sunshine

9.4h / day

Humidity

82% — Very Humid

Wind

5 km/h

Wind Direction

NW (307°)

Gusts

33 km/h

Daylight

12.5 h

Cloud Cover

70%

Clear Sky Days

0.6

UV Index

4.9 — Moderate

Dew Point

12°C — Comfortable

Moon Phase

Waxing Crescent · 11%

Snow Days

4 days · 9.3 cm

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 07:07

Daylight 12.6h

Sunset 19:43

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	2°C / -5°C	-1°C / -9°C	14days (108 mm) Wet	6.2h Fair	77% Humid	2.1 Moderate	Poor	View Details
February	6°C / -2°C	3°C / -5°C	12days (76 mm) Wet	7.6h Good	76% Humid	3.1 Moderate	Poor	View Details
March	8°C / 0°C	6°C / -3°C	14days (116 mm) Wet	9.1h Good	77% Humid	4.5 Moderate	Poor	View Details
April	11°C / 4°C	11°C / 2°C	13days (127 mm) Wet	10.8h Excellent	78% Humid	5.8 High	Fair	View Details
May	15°C / 8°C	16°C / 6°C	19days (157 mm) Wet	10.7h Excellent	82% Humid	6.1 High	Wet	View Details
June best	22°C / 13°C	25°C / 13°C	21days (173 mm) Wet	11.8h Excellent	80% Humid	7.2 Very High	Wet	View Details
July best	25°C / 15°C	27°C / 16°C	17days (120 mm) Wet	12.5h Excellent	76% Humid	7.4 Very High	Excellent	View Details
August best	25°C / 15°C	27°C / 15°C	16days (137 mm) Wet	11.3h Excellent	77% Humid	6.6 High	Excellent	View Details
September best	20°C / 11°C	21°C / 11°C	16days (120 mm) Wet	9.4h Good	82% Humid	4.9 Moderate	Good	View Details
October	15°C / 7°C	14°C / 5°C	14days (158 mm) Wet	7.7h Good	84% Humid	3.3 Moderate	Fair	View Details
November	8°C / 0°C	6°C / -3°C	15days (129 mm) Wet	6.3h Fair	83% Humid	2.2 Moderate	Poor	View Details
December	4°C / -3°C	1°C / -7°C	13days (116 mm) Wet	5.5h Fair	77% Humid	1.7 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 jacketWaterproof shoes

Frequently Asked Questions

Expand all

Is September a good time to visit Bitsch?

September is typically good for visiting Bitsch, with average highs of 20°C (68°F) and around 16 rainy days. Bitsch, Switzerland in September has mild conditions, with highs averaging 20°C (68°F) and noticeably cooler mornings. R

Does it rain a lot in Bitsch in September?

Bitsch typically sees around 16 rainy days in September with 120 mm (4.7 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Bitsch in September?

Nights in Bitsch during September are cool at around 11°C (52°F). Bring a jacket or sweater for evenings.

What should I pack for Bitsch in September?

With highs of 20°C (68°F) and lows of 11°C (52°F) in September, we recommend: Warm evening layer, Umbrella, Waterproof jacket, Waterproof shoes. Comfortable walking shoes are essential.

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

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

What is the UV index in Bitsch in September?

The average UV index in Bitsch during September is 5 (moderate). Sunscreen and sunglasses are recommended during midday hours.

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

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

Does it snow in Bitsch in September?

Yes, Bitsch typically sees around 4 snow days in September with roughly 9 cm (4 in) of snowfall.

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