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 move into September indicates a slight reduction in the average high-temperature, down from August's moderately hot 23.2°C (73.8°F) to an enjoyable 19.1°C (66.4°F). During September nights, Lomm records an average temperature of 11.4°C (52.5°F).Humidity
In Lomm, the average relative humidity in September is 79%.Rainfall
In September, in Lomm, the rain falls for 8.7 days. Throughout September, 11mm (0.43") of precipitation is accumulated. In Lomm, during the entire year, the rain falls for 132.7 days and collects up to 200mm (7.87") of precipitation.Snowfall
In Lomm, snow does not fall in April through October.Daylight
In Lomm, Netherlands, the average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 06:48 and sunset at 20:21. On the last day of September, in Lomm, sunrise is at 07:35 and sunset at 19:15 CEST.
Sunshine
In Lomm, Netherlands, the average sunshine in September is 8.1h.UV index
In Lomm, Netherlands, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Lomm in September?
What is the average humidity in September in Lomm?
How many days does it rain in September in Lomm?
When it does not snow in Lomm?
How many hours of daylight does Lomm have in September?
What time are sunrise and sunset in September in Lomm?
How many hours of sunshine does Lomm have in September?
How high is the UV index in September in Lomm?
Average temperature in September
Lomm, Netherlands
- Average high temperature in September: 19.1°C
The warmest month (with the highest average high temperature) is July (23.3°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in September: 11.4°C
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure in September
Lomm, Netherlands
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1012.7mbar).
Average wind speed in September
Lomm, Netherlands
- Average wind speed in September: 11.5km/h
The windiest month (with the highest average wind speed) is December (17.2km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).
Average humidity in September
Lomm, Netherlands
- Average humidity in September: 79%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Lomm, Netherlands
- Average rainfall in September: 11mm
The wettest month (with the highest rainfall) is July (21mm).
The driest month (with the least rainfall) is April (10mm).
Average rainfall days in September
Lomm, Netherlands
- Average rainfall days in September: 8.7 days
The month with the highest number of rainy days is July (13.2 days).
The month with the least rainy days is September (8.7 days).
Average snowfall in September
Lomm, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is February (18mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Lomm, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4 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
Lomm, Netherlands
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in September
Lomm, Netherlands
- Average sunshine days in September: 18.1 days
The month with the most sunshine days is September (18.1 days).
The month with the least sunshine days is June (13.1 days).
Average UV index in September
Lomm, 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
Lomm, Netherlands
- Average cloud cover in September: 42
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in September
Lomm, Netherlands
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
