September weather forecastAlerheim, Germany

Average temperature in September
Alerheim, 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
Alerheim, 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
Alerheim, 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
Alerheim, 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
Alerheim, 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
Alerheim, 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
Alerheim, 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
Alerheim, 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
Alerheim, 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
Alerheim, 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
Alerheim, 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
Alerheim, 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
Alerheim, 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).