September weather forecastAlem, Netherlands
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Alem, Netherlands, with an average temperature ranging between min 11.2°C (52.2°F) and max 19°C (66.2°F).Temperature
September signifies a minor drop in average high-temperature, transitioning from a pleasant 22.4°C (72.3°F) in August to an enjoyable 19°C (66.2°F). The temperature dips to an average of 11.2°C (52.2°F) during September nights.Humidity
The average relative humidity in September in Alem, Netherlands, is 81%.Rainfall
In Alem, in September, it is raining for 7.6 days, with typically 8mm (0.31") of accumulated precipitation. Throughout the year, there are 92.6 rainfall days, and 112mm (4.41") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In Alem, Netherlands, the average length of the day in September is 12h and 39min.On the first day of the month, sunrise is at 06:51 and sunset at 20:25. On the last day of September, in Alem, sunrise is at 07:38 and sunset at 19:18 CEST.
Sunshine
The average sunshine in September is 7.6h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In September, the maximum UV index of 4 suggests these recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Alem, Netherlands
- Average high temperature in September: 19°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 (4.8°C).
- Average low temperature in September: 11.2°C
The month with the highest average low temperature is August (13.8°C).
The coldest months (with the lowest average low temperature) are January and February (1.3°C).
Average pressure in September
Alem, 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 (1012mbar).
Average wind speed in September
Alem, Netherlands
- Average wind speed in September: 11.8km/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 (11.4km/h).
Average humidity in September
Alem, 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 (74%).
Average rainfall in September
Alem, Netherlands
- Average rainfall in September: 8mm
The wettest months (with the highest rainfall) are June and August (12mm).
The driest month (with the least rainfall) is April (4mm).
Average rainfall days in September
Alem, Netherlands
- Average rainfall days in September: 7.6 days
The month with the highest number of rainy days is December (9.5 days).
The month with the least rainy days is April (6.1 days).
Average snowfall in September
Alem, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is February (8mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Alem, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Alem, Netherlands
- Average daylight in September: 12h and 36min
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 36min
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
Alem, Netherlands
- Average sunshine days in September: 19.1 days
The month with the most sunshine days is April (22.7 days).
The month with the least sunshine days is August (16.3 days).
Average UV index in September
Alem, 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
Alem, Netherlands
- Average cloud cover in September: 45
The month with the most cloud cover is December (Cloud cover 64).
The months with the least cloud cover are April and August (Cloud cover 41).
Average visibility in September
Alem, 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).





