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
September
Weather in September
Temperature
The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from a warm 24.1°C (75.4°F) to an enjoyable 19.3°C (66.7°F). The average low-temperature of 9.9°C (49.8°F) is witnessed during September.Humidity
In September, the average relative humidity is 78%.Rainfall
In September, the rain falls for 13.1 days. Throughout September, 36mm (1.42") of precipitation is accumulated. Throughout the year, there are 172.3 rainfall days, and 573mm (22.56") of precipitation is accumulated.Snowfall
In Haisterbach, snow does not fall in June through September.Daylight
In Haisterbach, the average length of the day in September is 12h and 36min.On the first day of the month, sunrise is at 06:40 and sunset at 20:07. On the last day of September, sunrise is at 07:23 and sunset at 19:04 CEST.
Sunshine
In September, the average sunshine is 8.4h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
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?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Haisterbach, Germany
- Average high temperature in September: 19.3°C
The warmest months (with the highest average high temperature) are July and August (24.1°C).
The month with the lowest average high temperature is January (2.8°C).
- Average low temperature in September: 9.9°C
The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is January (-1.4°C).
Average pressure in September
Haisterbach, Germany
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1018.8mbar).
The month with the lowest atmospheric pressure is November (1014.9mbar).
Average wind speed in September
Haisterbach, Germany
- Average wind speed in September: 8.8km/h
The windiest month (with the highest average wind speed) is February (13.2km/h).
The calmest month (with the lowest average wind speed) is August (8.5km/h).
Average humidity in September
Haisterbach, Germany
- Average humidity in September: 78%
The months with the highest relative humidity are January and December (89%).
The months with the lowest relative humidity are April, July and August (73%).
Average rainfall in September
Haisterbach, Germany
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is May (69mm).
The driest month (with the least rainfall) is April (29mm).
Average rainfall days in September
Haisterbach, Germany
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is February (10.7 days).
Average snowfall in September
Haisterbach, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is December (117mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Haisterbach, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Haisterbach, Germany
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January and December (Average sunshine: 3h and 18min).
Average sunshine days in September
Haisterbach, Germany
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is April (15.2 days).
The month with the least sunshine days is December (10.1 days).
Average UV index in September
Haisterbach, Germany
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in September
Haisterbach, Germany
- Average cloud cover in September: 39
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Haisterbach, Germany
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August and September (9km).
The months with the lowest visibility are January, February, October, November and December (8km).
