September weather forecastHattem, Netherlands
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Hattem, Netherlands, with an average temperature ranging between min 10.9°C (51.6°F) and max 18.5°C (65.3°F).Temperature
The commencement of September indicates a gentle shift in the average high-temperature, receding from August's agreeable 22.3°C (72.1°F) to a refreshing 18.5°C (65.3°F). In Hattem, the average low-temperature during the month of September is a fresh 10.9°C (51.6°F).Humidity
In September, the average relative humidity in Hattem is 83%.Rainfall
In September, the rain falls for 9.3 days. Throughout September, 13mm (0.51") of precipitation is accumulated. Throughout the year, there are 129.5 rainfall days, and 203mm (7.99") of precipitation is accumulated.Snowfall
In Hattem, Netherlands, snow does not fall in April through November.Daylight
The average length of the day in September in Hattem is 12h and 40min.On the first day of September, sunrise is at 06:47 and sunset at 20:23. On the last day of the month, sunrise is at 07:36 and sunset at 19:14 CEST.
Sunshine
The average sunshine in September is 7.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hattem, Netherlands
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is August (22.3°C).
The month with the lowest average high temperature is January (4.6°C).
- Average low temperature in September: 10.9°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is February (0.8°C).
Average pressure in September
Hattem, Netherlands
- Average pressure in September: 1016.8mbar
The month with the highest atmospheric pressure is September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1011.5mbar).
Average wind speed in September
Hattem, Netherlands
- Average wind speed in September: 12.5km/h
The windiest month (with the highest average wind speed) is December (18.5km/h).
The calmest months (with the lowest average wind speed) are July and August (12.3km/h).
Average humidity in September
Hattem, Netherlands
- Average humidity in September: 83%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Hattem, Netherlands
- Average rainfall in September: 13mm
The wettest month (with the highest rainfall) is June (25mm).
The driest month (with the least rainfall) is April (10mm).
Average rainfall days in September
Hattem, Netherlands
- Average rainfall days in September: 9.3 days
The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is October (8.9 days).
Average snowfall in September
Hattem, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is January (11mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Hattem, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.9 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
Hattem, Netherlands
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 7h and 6min
The month with the most sunshine is July (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Hattem, Netherlands
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is June (13.3 days).
Average UV index in September
Hattem, Netherlands
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Hattem, Netherlands
- Average cloud cover in September: 48
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 43).
Average visibility in September
Hattem, Netherlands
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (9km).
The month with the lowest visibility is September (8km).
