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
As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from an agreeable 22.3°C (72.1°F) to an enjoyable 18.8°C (65.8°F). During the nights in September, Dalem experiences a consistent average temperature of 11.3°C (52.3°F).Humidity
In September, the average relative humidity in Dalem is 81%.Rainfall
In Dalem, during September, the rain falls for 9.3 days and regularly aggregates up to 14mm (0.55") of precipitation. Throughout the year, there are 133.4 rainfall days, and 227mm (8.94") of precipitation is accumulated.Snowfall
In Dalem, snow does not fall in April through October.Daylight
In September, the average length of the day in Dalem is 12h and 39min.On the first day of the month, sunrise is at 06:53 and sunset at 20:26. On the last day of September, sunrise is at 07:40 and sunset at 19:19 CEST.
Sunshine
In September, the average sunshine in Dalem is 7.1h.UV index
In Dalem, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Take measures. Individuals with light skin might experience burns in under 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Dalem?
What is the average humidity in September in Dalem?
How much does it rain in Dalem in September?
When it does not snow in Dalem?
What is the average length of the day in September in Dalem?
When is the sunrise / sunset in September in Dalem?
How long on average sun shines in September in Dalem?
What is the UV index reading in September in Dalem?
Average temperature in September
Dalem, Netherlands
- Average high temperature in September: 18.8°C
The warmest month (with the highest average high temperature) is July (22.5°C).
The month with the lowest average high temperature is January (5.2°C).
- Average low temperature in September: 11.3°C
The month with the highest average low temperature is August (14°C).
The coldest months (with the lowest average low temperature) are January and February (1.4°C).
Average pressure in September
Dalem, Netherlands
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is September (1017mbar).
The month with the lowest atmospheric pressure is November (1011.6mbar).
Average wind speed in September
Dalem, Netherlands
- Average wind speed in September: 11.9km/h
The windiest month (with the highest average wind speed) is December (17.5km/h).
The calmest month (with the lowest average wind speed) is August (11.7km/h).
Average humidity in September
Dalem, Netherlands
- Average humidity in September: 81%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Dalem, Netherlands
- Average rainfall in September: 14mm
The wettest months (with the highest rainfall) are June and July (25mm).
The driest month (with the least rainfall) is April (11mm).
Average rainfall days in September
Dalem, Netherlands
- Average rainfall days in September: 9.3 days
The month with the highest number of rainy days is July (14.3 days).
The month with the least rainy days is October (9.2 days).
Average snowfall in September
Dalem, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is February (26mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Dalem, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (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
Dalem, 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 1min
The month with the most sunshine is June (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in September
Dalem, Netherlands
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is June (12.3 days).
Average UV index in September
Dalem, 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
Dalem, Netherlands
- Average cloud cover in September: 47
The month with the most cloud cover is December (Cloud cover 66).
The months with the least cloud cover are April and August (Cloud cover 43).
Average visibility in September
Dalem, 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).
