Frýdlant, Czechia — Weather in September 2026

Climate Overview

Frýdlant, Czechia in September has mild conditions, with highs averaging 19.3°C (67°F) and noticeably cooler mornings. Rain falls on about 10 days this month.

This month falls at the beginning of Autumn.

Daily highs in September gradually drop from around 21°C (70°F) at the start to 17°C (62°F) by month's end.

Rainfall is heaviest during the middle of the month, while the last third tends to be drier.

Expect around 9.1h of sunshine at the start of September, decreasing to 7.4h by the end.

The warmest days tend to fall around the 6th, averaging 21.7°C (71°F).

Compared to August, this month is about 4°C cooler with 1 fewer rainy days. Temperatures begin dropping heading into October.

Monthly September Averages

Temperature

19°C / 12°C

Feels Like

19°C / 10°C

Rain

10 days · 78 mm

Sunshine

8.3h / day

Humidity

77% — Humid

Wind

15 km/h

Wind Direction

SSW (211°)

Gusts

33 km/h

Daylight

12.6 h

Cloud Cover

58%

Clear Sky Days

5.1

UV Index

4 — Moderate

Dew Point

11°C — Comfortable

Moon Phase

Waxing Crescent · 11%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

High Low

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 06:35

Daylight 12.7h

Sunset 19:14

Compare Months

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January	3°C / -2°C	-1°C / -7°C	15days (68 mm) Wet	3h Poor	87% Very Muggy	1.1 Low	Poor	View Details
February	5°C / -1°C	1°C / -5°C	13days (65 mm) Wet	5h Fair	83% Humid	1.7 Low	Poor	View Details
March	9°C / 1°C	5°C / -3°C	11days (50 mm) Wet	7.2h Good	77% Humid	3.3 Moderate	Poor	View Details
April	13°C / 4°C	10°C / 1°C	10days (48 mm) Wet	9.2h Good	72% Muggy	4.6 Moderate	Fair	View Details
May best	18°C / 9°C	16°C / 6°C	12days (66 mm) Wet	10.9h Excellent	71% Muggy	5.5 High	Good	View Details
June best	23°C / 14°C	23°C / 13°C	12days (83 mm) Wet	11.5h Excellent	71% Muggy	6.3 High	Excellent	View Details
July best	23°C / 15°C	24°C / 14°C	13days (86 mm) Wet	11.4h Excellent	71% Muggy	6 High	Excellent	View Details
August best	23°C / 15°C	24°C / 15°C	11days (112 mm) Wet	10.2h Excellent	74% Muggy	5.3 High	Excellent	View Details
September best	19°C / 12°C	19°C / 10°C	10days (78 mm) Wet	8.3h Good	77% Humid	4 Moderate	Good	View Details
October	14°C / 8°C	12°C / 5°C	14days (75 mm) Wet	5.8h Fair	83% Humid	2.2 Moderate	Fair	View Details
November	8°C / 3°C	4°C / -1°C	11days (52 mm) Wet	3.8h Poor	88% Very Muggy	1.3 Low	Poor	View Details
December	4°C / 0°C	0°C / -4°C	14days (66 mm) Wet	2.9h Poor	89% Very Muggy	0.9 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 Frýdlant?

September is typically good for visiting Frýdlant, with average highs of 19°C (67°F) and around 10 rainy days. Frýdlant, Czechia in September has mild conditions, with highs averaging 19.3°C (67°F) and noticeably cooler mornings. R

Does it rain a lot in Frýdlant in September?

Frýdlant typically sees around 10 rainy days in September with 78 mm (3.1 in) of total rainfall. An umbrella should suffice.

Does it get cold at night in Frýdlant in September?

Nights in Frýdlant during September are cool at around 12°C (53°F). Bring a jacket or sweater for evenings.

What should I pack for Frýdlant in September?

With highs of 19°C (67°F) and lows of 12°C (53°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 Frýdlant?

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

What is the UV index in Frýdlant in September?

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

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

Frýdlant gets approximately 13 hours of daylight per day in September, with around 8 hours of sunshine.

Does it snow in Frýdlant in September?

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

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