September weather forecastPetten, Netherlands
September
Weather in September
September, the first month of the autumn in Petten, is still a refreshing month, with temperature in the range of an average high of 17.2°C (63°F) and an average low of 14.9°C (58.8°F).Temperature
Petten notes an average high-temperature of a still comfortable 17.2°C (63°F) in September, displaying minor variation from August. Petten's September nights exhibit a subtle drop in temperature, averaging at a mild 14.9°C (58.8°F), closely aligned with the daytime highs.Humidity
The least humid month is September, with an average relative humidity of 77%.Rainfall
In Petten, in September, it is raining for 17.1 days, with typically 43mm (1.69") of accumulated precipitation. Throughout the year, there are 186.9 rainfall days, and 393mm (15.47") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
In Petten, Netherlands, the average length of the day in September is 12h and 40min.On the first day of the month, sunrise is at 06:52 and sunset at 20:29. On the last day of September, in Petten, sunrise is at 07:41 and sunset at 19:20 CEST.
Sunshine
In September, the average sunshine in Petten is 6.8h.UV index
In Petten, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: A maximum UV index of 4 in September translates into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Petten, Netherlands
- Average high temperature in September: 17.2°C
The warmest month (with the highest average high temperature) is August (18.9°C).
The month with the lowest average high temperature is February (5.7°C).
- Average low temperature in September: 14.9°C
The month with the highest average low temperature is August (16.4°C).
The coldest month (with the lowest average low temperature) is February (3.5°C).
Average pressure in September
Petten, Netherlands
- Average pressure in September: 1016.2mbar
The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1010.5mbar).
Average wind speed in September
Petten, Netherlands
- Average wind speed in September: 24.6km/h
The windiest month (with the highest average wind speed) is December (33.9km/h).
The calmest month (with the lowest average wind speed) is July (21.3km/h).
Average humidity in September
Petten, Netherlands
- Average humidity in September: 77%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is September (77%).
Average rainfall in September
Petten, Netherlands
- Average rainfall in September: 43mm
The wettest month (with the highest rainfall) is October (49mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in September
Petten, Netherlands
- Average rainfall days in September: 17.1 days
The month with the highest number of rainy days is December (19.7 days).
The month with the least rainy days is April (10.8 days).
Average snowfall in September
Petten, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is January (9mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Petten, 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
Petten, Netherlands
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in September: 6h and 48min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in September
Petten, Netherlands
- Average sunshine days in September: 9.3 days
The month with the most sunshine days is May (16.6 days).
The month with the least sunshine days is November (6.5 days).
Average UV index in September
Petten, 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
Petten, Netherlands
- Average cloud cover in September: 47
The month with the most cloud cover is December (Cloud cover 67).
The months with the least cloud cover are April and August (Cloud cover 40).
Average visibility in September
Petten, Netherlands
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





