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
During the shift to September, a minor reduction in average high-temperature is observed, shifting from an agreeable 22.8°C (73°F) in August to a refreshing 18.5°C (65.3°F). An average nighttime temperature of 8.8°C (47.8°F) is noted in Heddert during the month of September.Humidity
The average relative humidity in September in Heddert is 80%.Rainfall
In Heddert, during September, the rain falls for 9.3 days and regularly aggregates up to 20mm (0.79") of precipitation. Throughout the year, there are 138 rainfall days, and 304mm (11.97") of precipitation is accumulated.Snowfall
In Heddert, Germany, snow does not fall in April, June through October.Daylight
The average length of the day in September in Heddert is 12h and 36min.On the first day of September, sunrise is at 06:49 and sunset at 20:16. On the last day of the month, sunrise is at 07:32 and sunset at 19:13 CEST.
Sunshine
In Heddert, the average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index of 3 during September translates into the following directions:
Take necessary precautions - Protection from skin and eye injury is mandatory. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Heddert?
What is the average humidity in September in Heddert?
How many days does it rain in September in Heddert?
When it does not snow in Heddert?
How many hours of daylight does Heddert have in September?
What time are sunrise and sunset in September in Heddert?
How many hours of sunshine does Heddert have in September?
What is the UV index reading in September in Heddert?
Average temperature in September
Heddert, Germany
- Average high temperature in September: 18.5°C
The warmest months (with the highest average high temperature) are July and August (22.8°C).
The month with the lowest average high temperature is January (2.9°C).
- Average low temperature in September: 8.8°C
The month with the highest average low temperature is August (12.1°C).
The coldest month (with the lowest average low temperature) is January (-1.4°C).
Average pressure in September
Heddert, Germany
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is November (1014.2mbar).
Average wind speed in September
Heddert, Germany
- Average wind speed in September: 9.5km/h
The windiest month (with the highest average wind speed) is February (14km/h).
The calmest month (with the lowest average wind speed) is August (9.1km/h).
Average humidity in September
Heddert, Germany
- Average humidity in September: 80%
The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Heddert, Germany
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is December (33mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in September
Heddert, Germany
- Average rainfall days in September: 9.3 days
The months with the highest number of rainy days are June, July and August (13.3 days).
The month with the least rainy days is February (9 days).
Average snowfall in September
Heddert, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is December (33mm).
The months with the least snowfall are April, June, July, August, September and October (0mm).
Average snowfall days in September
Heddert, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Heddert, 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: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 6min).
Average sunshine days in September
Heddert, Germany
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is September (17.1 days).
The month with the least sunshine days is December (12.8 days).
Average UV index in September
Heddert, 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
Heddert, Germany
- Average cloud cover in September: 39
The month with the most cloud cover is December (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Heddert, Germany
- Average visibility in September: 8km
The months with the highest visibility are March, April and August (9km).
The months with the lowest visibility are November and December (7km).
