Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
A subtle decrease in the average high-temperature marks September, falling from August's warm 23.9°C (75°F) to an enjoyable 18.5°C (65.3°F). An average low-temperature of 8.8°C (47.8°F) is recorded in the month of September.Humidity
In Landau an der Isar, the average relative humidity in September is 81%.Rainfall
In Landau an der Isar, in September, during 12.9 rainfall days, 37mm (1.46") of precipitation is typically accumulated. Throughout the year, there are 173.4 rainfall days, and 633mm (24.92") of precipitation is accumulated.Snowfall
In Landau an der Isar, snow does not fall in June through September.Daylight
In Landau an der Isar, the average length of the day in September is 12h and 35min.On the first day of September, sunrise is at 06:27 and sunset at 19:51. On the last day of the month, sunrise is at 07:07 and sunset at 18:50 CEST.
Sunshine
In September, the average sunshine is 8.8h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 3 transforms into these recommendations:
Undertake precautions - Guarding against sun damage is counselled. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Landau an der Isar in September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Landau an der Isar have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Landau an der Isar have in September?
What is the UV index reading in September?
Average temperature in September
Landau an der Isar, Germany
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is August (23.9°C).
The month with the lowest average high temperature is January (1.5°C).
- Average low temperature in September: 8.8°C
The month with the highest average low temperature is August (13°C).
The coldest month (with the lowest average low temperature) is January (-3.4°C).
Average pressure in September
Landau an der Isar, Germany
- Average pressure in September: 1018.5mbar
The month with the highest atmospheric pressure is December (1019.9mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in September
Landau an der Isar, Germany
- Average wind speed in September: 7.7km/h
The windiest month (with the highest average wind speed) is March (11km/h).
The calmest month (with the lowest average wind speed) is August (7.4km/h).
Average humidity in September
Landau an der Isar, 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 (74%).
Average rainfall in September
Landau an der Isar, Germany
- Average rainfall in September: 37mm
The wettest months (with the highest rainfall) are May and June (73mm).
The driest month (with the least rainfall) is November (34mm).
Average rainfall days in September
Landau an der Isar, Germany
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is May (19.7 days).
The month with the least rainy days is February (10.8 days).
Average snowfall in September
Landau an der Isar, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (170mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Landau an der Isar, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Landau an der Isar, Germany
- Average daylight in September: 12h and 4min
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 24min).
- Average sunshine in September: 8h and 5min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 54min).
Average sunshine days in September
Landau an der Isar, Germany
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is November (15.6 days).
The month with the least sunshine days is May (8 days).
Average UV index in September
Landau an der Isar, Germany
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Landau an der Isar, Germany
- Average cloud cover in September: 38
The month with the most cloud cover is December (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Landau an der Isar, 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).
Landau an der Isar, Germany
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