September weather forecastStormpolder, Netherlands
September
Weather in September
September, the first month of the autumn in Stormpolder, is also an enjoyable month, with temperature in the range of an average low of 12.8°C (55°F) and an average high of 18.7°C (65.7°F).Temperature
September's onset corresponds with a subtle shift in the average high-temperature, slightly moving from an agreeable 22°C (71.6°F) in August to an enjoyable 18.7°C (65.7°F). An average low-temperature of 12.8°C (55°F) marks the month of September in Stormpolder.Humidity
In Stormpolder, Netherlands, the average relative humidity in September is 78%.Rainfall
In Stormpolder, during September, the rain falls for 9.4 days and regularly aggregates up to 13mm (0.51") of precipitation. Throughout the year, there are 130.3 rainfall days, and 205mm (8.07") of precipitation is accumulated.Snowfall
In Stormpolder, snow does not fall in April through October.Daylight
In September, the average length of the day in Stormpolder is 12h and 39min.On the first day of the month, sunrise is at 06:54 and sunset at 20:28. On the last day of September, in Stormpolder, sunrise is at 07:41 and sunset at 19:21 CEST.
Sunshine
In September, the average sunshine is 7.1h.UV index
In September, the average daily maximum UV index in Stormpolder is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Be vigilant - Preventing sunburn is recommended. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Stormpolder, Netherlands
- Average high temperature in September: 18.7°C
The warmest months (with the highest average high temperature) are July and August (22°C).
The month with the lowest average high temperature is January (5.6°C).
- Average low temperature in September: 12.8°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is February (2.3°C).
Average pressure in September
Stormpolder, 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 (1011.4mbar).
Average wind speed in September
Stormpolder, Netherlands
- Average wind speed in September: 14km/h
The windiest month (with the highest average wind speed) is December (20.2km/h).
The calmest months (with the lowest average wind speed) are July and August (13.6km/h).
Average humidity in September
Stormpolder, Netherlands
- Average humidity in September: 78%
The month with the highest relative humidity is December (85%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Stormpolder, Netherlands
- Average rainfall in September: 13mm
The wettest month (with the highest rainfall) is June (24mm).
The driest month (with the least rainfall) is April (9mm).
Average rainfall days in September
Stormpolder, Netherlands
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is July (13.8 days).
The month with the least rainy days is February (8.5 days).
Average snowfall in September
Stormpolder, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is February (19mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Stormpolder, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.2 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
Stormpolder, 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 6min
The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in September
Stormpolder, Netherlands
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is April (17.5 days).
The month with the least sunshine days is July (13 days).
Average UV index in September
Stormpolder, 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
Stormpolder, Netherlands
- Average cloud cover in September: 45
The month with the most cloud cover is December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Stormpolder, Netherlands
- Average visibility in September: 9km
The months with the highest visibility are April, May, June and August (10km).
The months with the lowest visibility are January, February, March, July, September, October, November and December (9km).





