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
September's arrival signals a moderate reduction in the average high-temperature, easing from an agreeable 22.5°C (72.5°F) in August to a comfortable 18.9°C (66°F). Nighttime temperatures consistently average a cool 10.8°C (51.4°F) during September.Humidity
In September, the average relative humidity is 81%.Rainfall
In Erlecom, in September, during 14.7 rainfall days, 30mm (1.18") of precipitation is typically accumulated. Throughout the year, in Erlecom, there are 174.3 rainfall days, and 417mm (16.42") of precipitation is accumulated.Snowfall
April through October are months without snowfall in Erlecom.Daylight
The average length of the day in September in Erlecom is 12h and 39min.On the first day of September, sunrise is at 06:49 and sunset at 20:22. On the last day of the month, sunrise is at 07:36 and sunset at 19:15 CEST.
Sunshine
The average sunshine in September is 7.5h.UV index
In Erlecom, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Erlecom?
What is the average humidity in September in Erlecom?
How much does it rain in Erlecom in September?
When it does not snow in Erlecom?
How many hours of daylight does Erlecom have in September?
When are sunrise and sunset in September in Erlecom?
How many hours of sunshine does Erlecom have in September?
How high is the UV index in September in Erlecom?
Average temperature in September
Erlecom, Netherlands
- Average high temperature in September: 18.9°C
The warmest month (with the highest average high temperature) is July (22.6°C).
The month with the lowest average high temperature is January (4.7°C).
- Average low temperature in September: 10.8°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure in September
Erlecom, Netherlands
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is September (1017.1mbar).
The month with the lowest atmospheric pressure is November (1012.1mbar).
Average wind speed in September
Erlecom, Netherlands
- Average wind speed in September: 11.8km/h
The windiest month (with the highest average wind speed) is December (17.6km/h).
The calmest month (with the lowest average wind speed) is August (11.5km/h).
Average humidity in September
Erlecom, Netherlands
- Average humidity in September: 81%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Erlecom, Netherlands
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is July (51mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in September
Erlecom, Netherlands
- Average rainfall days in September: 14.7 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is November (11.6 days).
Average snowfall in September
Erlecom, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is January (26mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Erlecom, Netherlands
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Erlecom, Netherlands
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 7h and 3min
The month with the most sunshine is July (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Erlecom, Netherlands
- Average sunshine days in September: 13 days
The month with the most sunshine days is April (16.3 days).
The month with the least sunshine days is July (9.2 days).
Average UV index in September
Erlecom, Netherlands
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Erlecom, Netherlands
- Average cloud cover in September: 45
The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in September
Erlecom, Netherlands
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (9km).
The month with the lowest visibility is September (8km).
