Sinzig, Germany — Weather in September 2026

Monthly climate averages for Sinzig, Germany. Based on 10-year ERA5 reanalysis data.

Cfb Oceanic
7.9 /10
Excellent

September is an excellent month in Sinzig

Climate Overview

Sinzig, Germany in September has warm conditions, with highs averaging 20.7°C (69°F). Rain falls on about 10 days this month.

This month falls at the beginning of Autumn.

Daily highs in September gradually drop from around 23°C (73°F) at the start to 18°C (64°F) by month's end.

September sees fairly even rainfall, totalling about 66 mm across the month.

Expect around 9.5h of sunshine at the start of September, decreasing to 7.6h by the end.

The warmest days tend to fall around the 5th, averaging 23.1°C (74°F).

Compared to August, this month is about 4°C cooler with 3 fewer rainy days. Temperatures begin dropping heading into October.

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Monthly September Averages

Temperature
21°C / 12°C
Feels Like
20°C / 11°C
Rain
10 days · 66 mm
Sunshine
8.7h / day
Humidity
76% — Humid
Wind
14 km/h
Wind Direction
SSW (211°)
Gusts
33 km/h
Daylight
12.6 h
Cloud Cover
60%
Clear Sky Days
3.7
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

28°C 24°C 20°C 16°C 12°C 8°C 4°C 151015202530
HighLow

Daily Precipitation

0 mm 2 mm 4 mm 6 mm 151015202530
Rainfall

Daily Sunshine

0h 3h 6h 9h 12h 151015202530
Sunshine

Daily Wind Speed

0 5 10 15 20 25 151015202530
Wind Speed
Sun Position
Sunrise 07:07
Daylight 12.7h
Sunset 19:48

What to Expect

Daytime temperatures around 21°C (69°F) are ideal for full-day outdoor exploration.

Rain usually comes in shorter passing showers rather than all-day rain.

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

Compare Months

January
Poor
Temp
6°C / 1°C
Feels Like
2°C / -2°C
Rain
15days (80 mm) Wet
Sun
3.3h Poor
Humidity
87% Very Muggy
UV
1.2 Low
Snow Days
8days
View Details
February
Poor
Temp
8°C / 2°C
Feels Like
5°C / -2°C
Rain
13days (61 mm) Wet
Sun
5.3h Fair
Humidity
81% Humid
UV
1.8 Low
Snow Days
4days
View Details
March
Poor
Temp
11°C / 3°C
Feels Like
8°C / 0°C
Rain
13days (63 mm) Wet
Sun
7.3h Good
Humidity
77% Humid
UV
3.5 Moderate
Snow Days
3days
View Details
April
Fair
Temp
15°C / 5°C
Feels Like
12°C / 2°C
Rain
12days (53 mm) Wet
Sun
9.9h Good
Humidity
72% Muggy
UV
4.4 Moderate
Snow Days
1days
View Details
May best
Good
Temp
19°C / 9°C
Feels Like
18°C / 8°C
Rain
12days (81 mm) Wet
Sun
11.1h Excellent
Humidity
72% Muggy
UV
5.7 High
View Details
June best
Excellent
Temp
23°C / 14°C
Feels Like
23°C / 14°C
Rain
12days (88 mm) Wet
Sun
11.9h Excellent
Humidity
71% Muggy
UV
6.4 High
View Details
July best
Excellent
Temp
24°C / 15°C
Feels Like
24°C / 15°C
Rain
12days (79 mm) Wet
Sun
11.5h Excellent
Humidity
70% Muggy
UV
6 High
View Details
August best
Excellent
Temp
24°C / 16°C
Feels Like
25°C / 16°C
Rain
13days (72 mm) Wet
Sun
10.6h Excellent
Humidity
72% Muggy
UV
5.5 High
View Details
September best
Excellent
Temp
21°C / 12°C
Feels Like
20°C / 11°C
Rain
10days (66 mm) Wet
Sun
8.7h Good
Humidity
76% Humid
UV
4.2 Moderate
View Details
October
Good
Temp
16°C / 9°C
Feels Like
14°C / 7°C
Rain
14days (72 mm) Wet
Sun
5.4h Fair
Humidity
83% Humid
UV
2.5 Moderate
View Details
November
Poor
Temp
10°C / 5°C
Feels Like
7°C / 2°C
Rain
13days (59 mm) Wet
Sun
4h Fair
Humidity
87% Very Muggy
UV
1.3 Low
Snow Days
3days
View Details
December
Poor
Temp
7°C / 3°C
Feels Like
4°C / -1°C
Rain
14days (75 mm) Wet
Sun
2.6h Poor
Humidity
88% Very Muggy
UV
0.9 Low
Snow Days
4days
View Details
Month Temp Feels Like Rain Sun Humidity UV Status
January 6°C / 1°C 2°C / -2°C 15days (80 mm) Wet 3.3h Poor 87% Very Muggy 1.2 Low Poor View Details
February 8°C / 2°C 5°C / -2°C 13days (61 mm) Wet 5.3h Fair 81% Humid 1.8 Low Poor View Details
March 11°C / 3°C 8°C / 0°C 13days (63 mm) Wet 7.3h Good 77% Humid 3.5 Moderate Poor View Details
April 15°C / 5°C 12°C / 2°C 12days (53 mm) Wet 9.9h Good 72% Muggy 4.4 Moderate Fair View Details
May best 19°C / 9°C 18°C / 8°C 12days (81 mm) Wet 11.1h Excellent 72% Muggy 5.7 High Good View Details
June best 23°C / 14°C 23°C / 14°C 12days (88 mm) Wet 11.9h Excellent 71% Muggy 6.4 High Excellent View Details
July best 24°C / 15°C 24°C / 15°C 12days (79 mm) Wet 11.5h Excellent 70% Muggy 6 High Excellent View Details
August best 24°C / 16°C 25°C / 16°C 13days (72 mm) Wet 10.6h Excellent 72% Muggy 5.5 High Excellent View Details
September best 21°C / 12°C 20°C / 11°C 10days (66 mm) Wet 8.7h Good 76% Humid 4.2 Moderate Excellent View Details
October 16°C / 9°C 14°C / 7°C 14days (72 mm) Wet 5.4h Fair 83% Humid 2.5 Moderate Good View Details
November 10°C / 5°C 7°C / 2°C 13days (59 mm) Wet 4h Fair 87% Very Muggy 1.3 Low Poor View Details
December 7°C / 3°C 4°C / -1°C 14days (75 mm) Wet 2.6h Poor 88% 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

UmbrellaWaterproof jacketSunscreen (SPF 30+)SunglassesComfortable walking shoes

Frequently Asked Questions

September is typically excellent for visiting Sinzig, with average highs of 21°C (69°F) and around 10 rainy days. Sinzig, Germany in September has warm conditions, with highs averaging 20.7°C (69°F). Rain falls on about 10 days this m
Sinzig typically sees around 10 rainy days in September with 66 mm (2.6 in) of total rainfall. An umbrella should suffice.
Nights in Sinzig during September are cool at around 12°C (54°F). Bring a jacket or sweater for evenings.
With highs of 21°C (69°F) and lows of 12°C (54°F) in September, we recommend: Umbrella, Waterproof jacket, Sunscreen (SPF 30+), Sunglasses, Comfortable walking shoes. Comfortable walking shoes are essential.
Yes, September offers some of the best weather conditions in Sinzig with comfortable temperatures and lower chances of rain.
The average UV index in Sinzig during September is 4 (moderate). Sunscreen and sunglasses are recommended during midday hours.
Sinzig gets approximately 13 hours of daylight per day in September, with around 9 hours of sunshine.
Snow is uncommon in Sinzig during September based on 10-year climate averages.

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