September weather forecastAlesheim, Germany

September

Weather in September

September, the first month of the autumn in Alesheim, is still a comfortable month, with an average temperature ranging between max 18.5°C (65.3°F) and min 8.9°C (48°F).

Temperature

The transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from a moderately hot 23.3°C (73.9°F) in August to a comfortable 18.5°C (65.3°F). An average nighttime temperature of 8.9°C (48°F) is witnessed in Alesheim throughout September.

Humidity

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

Rainfall

In Alesheim, during September, the rain falls for 9.7 days and regularly aggregates up to 13mm (0.51") of precipitation. In Alesheim, during the entire year, the rain falls for 118.8 days and collects up to 235mm (9.25") of precipitation.

Snowfall

June through October are months without snowfall.

Daylight

In September, the average length of the day is 12h and 35min.
On the first day of the month, sunrise is at 06:33 and sunset at 19:58. On the last day of September, sunrise is at 07:15 and sunset at 18:57 CEST.

Sunshine

The average sunshine in September is 8.5h.

UV index

In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: A typical high UV index of 3 in September suggests the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.

Frequently asked questions

In Alesheim, 18.5°C (65.3°F) is the average high-temperature and 8.9°C (48°F) is the average low-temperature during September.

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

In September, the rain falls for 9.7 days. Throughout September, 13mm (0.51") of precipitation is accumulated.

June through October are months without snowfall.

In September, the average day length in Alesheim, Germany, is 12h and 35min.

On the first day of September, sunrise is at 06:33 and sunset at 19:58. On the last day of the month, sunrise is at 07:15 and sunset at 18:57 CEST.

In Alesheim, the average sunshine duration in September is 8.5h.

The average daily maximum UV index in September in Alesheim is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Alesheim, Germany

  • Average high temperature in September: 18.5°C

The warmest month (with the highest average high temperature) is August (23.3°C).
The month with the lowest average high temperature is January (1.8°C).

  • Average low temperature in September: 8.9°C

The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (-2.9°C).

Average pressure in September
Alesheim, Germany

  • Average pressure in September: 1018.5mbar

The month with the highest atmospheric pressure is December (1019.7mbar).
The month with the lowest atmospheric pressure is November (1015.5mbar).

Average wind speed in September
Alesheim, Germany

  • Average wind speed in September: 8.8km/h

The windiest month (with the highest average wind speed) is December (12.9km/h).
The calmest month (with the lowest average wind speed) is August (8.6km/h).

Average humidity in September
Alesheim, Germany

  • Average humidity in September: 81%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (75%).

Average rainfall in September
Alesheim, Germany

  • Average rainfall in September: 13mm

The wettest month (with the highest rainfall) is May (33mm).
The driest month (with the least rainfall) is November (10mm).

Average rainfall days in September
Alesheim, Germany

  • Average rainfall days in September: 9.7 days

The month with the highest number of rainy days is May (14.1 days).
The month with the least rainy days is February (5.9 days).

Average snowfall in September
Alesheim, Germany

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (62mm).
The months with the least snowfall are June, July, August, September and October (0mm).

Average snowfall days in September
Alesheim, Germany

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (11.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Alesheim, 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 30min

The months with the most sunshine are July and August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).

Average sunshine days in September
Alesheim, Germany

  • Average sunshine days in September: 17.5 days

The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is June (11.8 days).

Average UV index in September
Alesheim, Germany

  • Average UV index in September: 3

The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is December (UV index 1).

Average cloud cover in September
Alesheim, Germany

  • Average cloud cover in September: 41

The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 35).

Average visibility in September
Alesheim, Germany

  • Average visibility in September: 8km

The months with the highest visibility are March, April, May, June, July and August (9km).
The month with the lowest visibility is January (7km).