September weather forecastAlfdorf, Germany

September

Weather in September

September, the first month of the autumn in Alfdorf, is still a comfortable month, with an average temperature ranging between min 9°C (48.2°F) and max 18.6°C (65.5°F).

Temperature

A mild shift in the average high-temperature occurs in September, reducing from a moderately hot 23°C (73.4°F) in August to a refreshing 18.6°C (65.5°F). September nights in Alfdorf experience a consistent temperature drop to a frosty 9°C (48.2°F).

Humidity

In Alfdorf, the average relative humidity in September is 81%.

Rainfall

September is the month with the least rainfall in Alfdorf. Rain falls for 12.6 days and accumulates 30mm (1.18") of precipitation.

Snowfall

May through September are months without snowfall in Alfdorf.

Daylight

In Alfdorf, Germany, the average length of the day in September is 12h and 35min.
On the first day of the month, sunrise is at 06:38 and sunset at 20:03. On the last day of September, sunrise is at 07:19 and sunset at 19:01 CEST.

Sunshine

The average sunshine in September in Alfdorf is 8.8h.

UV index

The average daily maximum UV index in September in Alfdorf, Germany, is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The daily high UV index of 3 during September translates into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.

Updated: Feb 14, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In Alfdorf, 18.6°C (65.5°F) is the average high-temperature and 9°C (48.2°F) is the average low-temperature during September.

In September, the average relative humidity in Alfdorf, Germany, is 81%.

The month with the least rainfall in Alfdorf is September, when the rain falls for 12.6 days and typically collects 30mm (1.18") of precipitation.

In Alfdorf, Germany, in September, it is raining for 12.6 days, with typically 30mm (1.18") of accumulated precipitation.

In Alfdorf, Germany, snow does not fall in May through September.

In Alfdorf, Germany, in September, it doesn't snow. In October, it regularly snows.

The average day length in September is 12h and 35min.

On the first day of September, sunrise is at 06:38 and sunset at 20:03. On the last day of the month, sunrise is at 07:19 and sunset at 19:01 CEST.

In Alfdorf, Germany, the average sunshine duration in September is 8.8h.

In September, the average daily maximum UV index in Alfdorf, Germany, is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

23°C

18.6°C

13.4°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

9.1km/h

9km/h

10.5km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

10.1

14.1

16.5

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Alfdorf, Germany

Average high temperature in September: 18.6°C

The warmest month (with the highest average high temperature) is July (23.1°C).
The month with the lowest average high temperature is January (2.3°C).

Average low temperature in September: 9°C

The month with the highest average low temperature is August (12.7°C).
The coldest month (with the lowest average low temperature) is February (-2.5°C).

Average pressure in September
Alfdorf, Germany

Average pressure in September: 1018.6mbar

The month with the highest atmospheric pressure is December (1019.8mbar).
The month with the lowest atmospheric pressure is November (1015.5mbar).

Average wind speed in September
Alfdorf, Germany

Average wind speed in September: 8.5km/h

The windiest months (with the highest average wind speed) are February and December (13km/h).
The calmest month (with the lowest average wind speed) is August (8.3km/h).

Average humidity in September
Alfdorf, Germany

Average humidity in September: 81%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (76%).

Average rainfall in September
Alfdorf, Germany

Average rainfall in September: 30mm

The wettest month (with the highest rainfall) is May (64mm).
The driest month (with the least rainfall) is September (30mm).

Average rainfall days in September
Alfdorf, Germany

Average rainfall days in September: 12.6 days

The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is February (10.3 days).

Average snowfall in September
Alfdorf, Germany

Average snowfall in September: 0mm

The month with the highest snowfall is January (94mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Alfdorf, Germany

Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Alfdorf, Germany

Average daylight in September: 12h and 36min

The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).

Average sunshine in September: 8h and 48min

The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).