September weather forecastStratum, Netherlands
September
Weather in September
September, the first month of the autumn in Stratum, is also an enjoyable month, with an average temperature varying between 19°C (66.2°F) and 11.1°C (52°F).Temperature
The transition to September results in a modest reduction in average high-temperature, moving from a moderately hot 23.1°C (73.6°F) in August to a refreshing 19°C (66.2°F). Stratum records a mean low-temperature of 11.1°C (52°F) in September.Humidity
The average relative humidity in September is 80%.Rainfall
In Stratum, during September, the rain falls for 10.7 days and regularly aggregates up to 20mm (0.79") of precipitation. In Stratum, Netherlands, during the entire year, the rain falls for 154 days and collects up to 318mm (12.52") of precipitation.Snowfall
In Stratum, Netherlands, snow does not fall in April through October.Daylight
In September, the average length of the day in Stratum is 12h and 38min.On the first day of September, sunrise is at 06:51 and sunset at 20:23. On the last day of the month, sunrise is at 07:37 and sunset at 19:17 CEST.
Sunshine
In Stratum, Netherlands, the average sunshine in September is 7.6h.UV index
In Stratum, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: An average UV index of 4 in September transforms into this advice:
Adopt protective measures - Suggestions to resist sunburn are offered. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Stratum, Netherlands
- Average high temperature in September: 19°C
The warmest months (with the highest average high temperature) are July and August (23.1°C).
The month with the lowest average high temperature is January (4.9°C).
- Average low temperature in September: 11.1°C
The month with the highest average low temperature is August (14.3°C).
The coldest months (with the lowest average low temperature) are January and February (1.3°C).
Average pressure in September
Stratum, Netherlands
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).
Average wind speed in September
Stratum, Netherlands
- Average wind speed in September: 11.5km/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 (11.3km/h).
Average humidity in September
Stratum, Netherlands
- Average humidity in September: 80%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Stratum, Netherlands
- Average rainfall in September: 20mm
The wettest months (with the highest rainfall) are July, August and December (32mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in September
Stratum, Netherlands
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is July (15.4 days).
The month with the least rainy days is September (10.7 days).
Average snowfall in September
Stratum, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is February (32mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Stratum, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.3 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
Stratum, Netherlands
- Average daylight in September: 12h and 36min
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: 7h and 36min
The months with the most sunshine are July and August (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in September
Stratum, Netherlands
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is February (12.3 days).
Average UV index in September
Stratum, 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
Stratum, 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 42).
Average visibility in September
Stratum, 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).
