Bolanden, Germany — Weather in September 2026

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

Cfb Oceanic
8 /10
Excellent

September is an excellent month in Bolanden

Climate Overview

Bolanden, Germany in September has warm conditions, with highs averaging 20.8°C (69°F).

This month falls at the beginning of Autumn.

Daily highs in September gradually drop from around 23°C (74°F) at the start to 18°C (64°F) by month's end.

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

Expect around 10.0h of sunshine at the start of September, decreasing to 7.7h by the end.

Wind speeds pick up through the month, from 12 km/h (7 mph) to 15 km/h (9 mph).

The warmest days tend to fall around the 5th, averaging 23.5°C (74°F).

Compared to August, this month is about 4°C cooler with 1 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
9 days · 58 mm
Sunshine
8.8h / day
Humidity
71% — Humid
Wind
14 km/h
Wind Direction
W (261°)
Gusts
32 km/h
Daylight
12.6 h
Cloud Cover
56%
Clear Sky Days
4.8
UV Index
4.1 — Moderate
Dew Point
11°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 07:05
Daylight 12.7h
Sunset 19:44

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
5°C / 1°C
Feels Like
2°C / -3°C
Rain
13days (61 mm) Wet
Sun
3.6h Poor
Humidity
84% Humid
UV
1.2 Low
Snow Days
6days
View Details
February
Poor
Temp
8°C / 1°C
Feels Like
4°C / -3°C
Rain
10days (49 mm) Wet
Sun
5.6h Fair
Humidity
79% Humid
UV
1.9 Low
Snow Days
2days
View Details
March
Poor
Temp
11°C / 2°C
Feels Like
7°C / -1°C
Rain
10days (48 mm) Wet
Sun
7.5h Good
Humidity
75% Muggy
UV
3.3 Moderate
Snow Days
2days
View Details
April
Fair
Temp
14°C / 5°C
Feels Like
12°C / 2°C
Rain
10days (44 mm) Wet
Sun
10h Excellent
Humidity
70% Muggy
UV
4.5 Moderate
Snow Days
1days
View Details
May best
Good
Temp
18°C / 9°C
Feels Like
17°C / 7°C
Rain
11days (69 mm) Wet
Sun
11.1h Excellent
Humidity
69% Muggy
UV
5.7 High
View Details
June best
Excellent
Temp
24°C / 14°C
Feels Like
23°C / 13°C
Rain
11days (68 mm) Wet
Sun
11.9h Excellent
Humidity
67% Muggy
UV
6.3 High
View Details
July best
Excellent
Temp
25°C / 16°C
Feels Like
24°C / 15°C
Rain
10days (57 mm) Wet
Sun
11.9h Excellent
Humidity
63% Muggy
UV
6 High
View Details
August best
Excellent
Temp
25°C / 16°C
Feels Like
25°C / 16°C
Rain
10days (49 mm) Wet
Sun
10.8h Excellent
Humidity
66% Muggy
UV
5.5 High
View Details
September best
Excellent
Temp
21°C / 12°C
Feels Like
20°C / 11°C
Rain
9days (58 mm) Wet
Sun
8.8h Good
Humidity
71% Muggy
UV
4.1 Moderate
View Details
October
Good
Temp
16°C / 9°C
Feels Like
14°C / 6°C
Rain
11days (62 mm) Wet
Sun
5.7h Fair
Humidity
81% Humid
UV
2.5 Moderate
View Details
November
Poor
Temp
9°C / 4°C
Feels Like
6°C / 1°C
Rain
12days (55 mm) Wet
Sun
3.9h Poor
Humidity
86% Very Muggy
UV
1.4 Low
Snow Days
2days
View Details
December
Poor
Temp
6°C / 2°C
Feels Like
3°C / -2°C
Rain
12days (59 mm) Wet
Sun
2.9h Poor
Humidity
88% Very Muggy
UV
1 Low
Snow Days
3days
View Details
Month Temp Feels Like Rain Sun Humidity UV Status
January 5°C / 1°C 2°C / -3°C 13days (61 mm) Wet 3.6h Poor 84% Humid 1.2 Low Poor View Details
February 8°C / 1°C 4°C / -3°C 10days (49 mm) Wet 5.6h Fair 79% Humid 1.9 Low Poor View Details
March 11°C / 2°C 7°C / -1°C 10days (48 mm) Wet 7.5h Good 75% Muggy 3.3 Moderate Poor View Details
April 14°C / 5°C 12°C / 2°C 10days (44 mm) Wet 10h Excellent 70% Muggy 4.5 Moderate Fair View Details
May best 18°C / 9°C 17°C / 7°C 11days (69 mm) Wet 11.1h Excellent 69% Muggy 5.7 High Good View Details
June best 24°C / 14°C 23°C / 13°C 11days (68 mm) Wet 11.9h Excellent 67% Muggy 6.3 High Excellent View Details
July best 25°C / 16°C 24°C / 15°C 10days (57 mm) Wet 11.9h Excellent 63% Muggy 6 High Excellent View Details
August best 25°C / 16°C 25°C / 16°C 10days (49 mm) Wet 10.8h Excellent 66% Muggy 5.5 High Excellent View Details
September best 21°C / 12°C 20°C / 11°C 9days (58 mm) Wet 8.8h Good 71% Muggy 4.1 Moderate Excellent View Details
October 16°C / 9°C 14°C / 6°C 11days (62 mm) Wet 5.7h Fair 81% Humid 2.5 Moderate Good View Details
November 9°C / 4°C 6°C / 1°C 12days (55 mm) Wet 3.9h Poor 86% Very Muggy 1.4 Low Poor View Details
December 6°C / 2°C 3°C / -2°C 12days (59 mm) Wet 2.9h Poor 88% Very Muggy 1 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

UmbrellaSunscreen (SPF 30+)SunglassesComfortable walking shoes

Frequently Asked Questions

September is typically excellent for visiting Bolanden, with average highs of 21°C (69°F) and around 9 rainy days. Bolanden, Germany in September has warm conditions, with highs averaging 20.8°C (69°F).
Bolanden typically sees around 9 rainy days in September with 58 mm (2.3 in) of total rainfall. An umbrella should suffice.
Nights in Bolanden 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, Sunscreen (SPF 30+), Sunglasses, Comfortable walking shoes. Comfortable walking shoes are essential.
Yes, September offers some of the best weather conditions in Bolanden with comfortable temperatures and lower chances of rain.
The average UV index in Bolanden during September is 4 (moderate). Sunscreen and sunglasses are recommended during midday hours.
Bolanden gets approximately 13 hours of daylight per day in September, with around 9 hours of sunshine.
Snow is uncommon in Bolanden during September based on 10-year climate averages.

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