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
The advent of September brings a slight shift in average high-temperature, moving from an agreeable 22.4°C (72.3°F) in August to an enjoyable 18.8°C (65.8°F). Herpen's temperature tends to fall to an average low of 10.9°C (51.6°F) during the nights of September.Humidity
In September, the average relative humidity in Herpen is 81%.Rainfall
In Herpen, during September, the rain falls for 15.9 days and regularly aggregates up to 36mm (1.42") of precipitation. Throughout the year, in Herpen, there are 203.8 rainfall days, and 544mm (21.42") of precipitation is accumulated.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September is 12h and 39min.On the first day of the month, sunrise is at 06:50 and sunset at 20:24. On the last day of September, in Herpen, sunrise is at 07:37 and sunset at 19:17 CEST.
Sunshine
In Herpen, the average sunshine in September is 7.5h.UV index
In Herpen, Netherlands, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Take necessary precautions - Defending against sun damage is advocated. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Herpen?
What is the average humidity in September in Herpen?
How many days does it rain in September in Herpen?
When it does not snow in Herpen?
What is the average length of the day in September in Herpen?
When are sunrise and sunset in September in Herpen?
How many hours of sunshine does Herpen have in September?
What is the UV index reading in September in Herpen?
Average temperature in September
Herpen, 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 (4.8°C).
- Average low temperature in September: 10.9°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 (1.2°C).
Average pressure in September
Herpen, Netherlands
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is September (1017.2mbar).
The month with the lowest atmospheric pressure is November (1012mbar).
Average wind speed in September
Herpen, Netherlands
- Average wind speed in September: 11.7km/h
The windiest month (with the highest average wind speed) is December (17.6km/h).
The calmest month (with the lowest average wind speed) is August (11.5km/h).
Average humidity in September
Herpen, Netherlands
- Average humidity in September: 81%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Herpen, Netherlands
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is July (60mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in September
Herpen, Netherlands
- Average rainfall days in September: 15.9 days
The month with the highest number of rainy days is July (20.1 days).
The month with the least rainy days is April (14.3 days).
Average snowfall in September
Herpen, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is February (34mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Herpen, Netherlands
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (3.8 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
Herpen, 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 3min
The month with the most sunshine is July (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in September
Herpen, Netherlands
- Average sunshine days in September: 10.5 days
The month with the most sunshine days is April (13.2 days).
The months with the least sunshine days are June and August (8.3 days).
Average UV index in September
Herpen, 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
Herpen, Netherlands
- Average cloud cover in September: 45
The month with the most cloud cover is December (Cloud cover 65).
The months with the least cloud cover are April and August (Cloud cover 42).
Average visibility in September
Herpen, Netherlands
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June, July, August, October and November (9km).
The months with the lowest visibility are September and December (8km).
