Hammerum, Denmark — Weather in September 2026

Climate Overview

Hammerum, Denmark in September has mild conditions, with highs averaging 17.5°C (64°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 19°C (66°F) at the start to 16°C (60°F) by month's end.

September sees fairly even rainfall, totalling about 82 mm across the month.

Expect around 9.3h of sunshine at the start of September, decreasing to 6.4h by the end.

Wind speeds pick up through the month, from 18 km/h (11 mph) to 24 km/h (15 mph).

The warmest days tend to fall around the 7th, averaging 19.7°C (67°F).

Compared to August, this month is about 3°C cooler with 2 fewer rainy days. Temperatures begin dropping heading into October.

Monthly September Averages

Temperature

18°C / 11°C

Feels Like

16°C / 9°C

Rain

12 days · 82 mm

Sunshine

7.9h / day

Humidity

82% — Very Humid

Wind

21 km/h

Wind Direction

SSW (209°)

Gusts

40 km/h

Daylight

12.7 h

Cloud Cover

67%

Clear Sky Days

2.2

UV Index

3.5 — 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 06:55

Daylight 12.8h

Sunset 19:42

What to Expect

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 / 0°C	0°C / -5°C	13days (66 mm) Wet	2.8h Poor	88% Very Muggy	0.7 Low	Poor	View Details
February	5°C / 0°C	0°C / -4°C	11days (64 mm) Wet	4.6h Fair	85% Humid	1.3 Low	Poor	View Details
March	7°C / 1°C	3°C / -4°C	11days (53 mm) Wet	6.7h Fair	82% Humid	2.8 Moderate	Poor	View Details
April	11°C / 3°C	7°C / -1°C	11days (54 mm) Wet	10.1h Excellent	75% Muggy	3.9 Moderate	Poor	View Details
May	16°C / 7°C	13°C / 4°C	11days (57 mm) Wet	11.7h Excellent	73% Muggy	5.4 High	Fair	View Details
June best	19°C / 11°C	18°C / 9°C	11days (82 mm) Wet	12.5h Excellent	76% Humid	5.9 High	Good	View Details
July best	20°C / 13°C	19°C / 11°C	16days (109 mm) Wet	11.8h Excellent	78% Humid	5.4 High	Good	View Details
August best	20°C / 13°C	19°C / 12°C	14days (88 mm) Wet	10.7h Excellent	80% Humid	4.7 Moderate	Excellent	View Details
September best	18°C / 11°C	16°C / 9°C	12days (82 mm) Wet	7.9h Good	82% Humid	3.5 Moderate	Good	View Details
October	13°C / 8°C	10°C / 5°C	14days (86 mm) Wet	5.3h Fair	85% Humid	1.8 Low	Fair	View Details
November	8°C / 4°C	4°C / 0°C	14days (57 mm) Wet	2.8h Poor	88% Very Muggy	0.8 Low	Poor	View Details
December	5°C / 2°C	1°C / -3°C	14days (65 mm) Wet	2h Poor	91% Very Muggy	0.5 Low	Poor	View Details

What to Wear

Bundle up with a warm coat, scarf, and closed-toe shoes. Thermal layers underneath give flexibility between indoors and outdoors.

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

Packing List

Layered clothingLight jacketUmbrellaWaterproof jacketComfortable walking shoes

Frequently Asked Questions

Expand all

Is September a good time to visit Hammerum?

September is typically good for visiting Hammerum, with average highs of 18°C (64°F) and around 12 rainy days. Hammerum, Denmark in September has mild conditions, with highs averaging 17.5°C (64°F) and noticeably cooler mornings. R

Does it rain a lot in Hammerum in September?

Hammerum typically sees around 12 rainy days in September with 82 mm (3.2 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Hammerum in September?

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

What should I pack for Hammerum in September?

With highs of 18°C (64°F) and lows of 11°C (52°F) in September, we recommend: Layered clothing, Light jacket, Umbrella, Waterproof jacket, Comfortable walking shoes. Comfortable walking shoes are essential.

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

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

What is the UV index in Hammerum in September?

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

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

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

Does it snow in Hammerum in September?

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

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