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 arrival of September corresponds with a light shift in temperature, down from a moderately hot 23.3°C (73.9°F) in August to an enjoyable 18.5°C (65.3°F). Northeim temperatures generally rest at a low of 9.3°C (48.7°F) during the September nights.Humidity
In September, the average relative humidity is 79%.Rainfall
In Northeim, during September, the rain falls for 12.5 days and regularly aggregates up to 29mm (1.14") of precipitation. Throughout the year, there are 164.5 rainfall days, and 415mm (16.34") of precipitation is accumulated.Snowfall
In Northeim, Germany, snow does not fall in June through October.Daylight
The average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 06:33 and sunset at 20:06. On the last day of September, sunrise is at 07:20 and sunset at 18:59 CEST.
Sunshine
In September, the average sunshine is 8.2h.UV index
The average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 3 during September translates into the following guidance:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. 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 usual temperature for Northeim in September?
What is the average humidity in September in Northeim?
How many days does it rain in September in Northeim?
When it does not snow in Northeim?
How many hours of daylight does Northeim have in September?
When are sunrise and sunset in September in Northeim?
How many hours of sunshine does Northeim have in September?
What is the UV index intensity in September in Northeim?
Average temperature in September
Northeim, Germany
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is July (23.4°C).
The month with the lowest average high temperature is January (2.2°C).
- Average low temperature in September: 9.3°C
The month with the highest average low temperature is August (12.7°C).
The coldest month (with the lowest average low temperature) is January (-2.2°C).
Average pressure in September
Northeim, Germany
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1013.8mbar).
Average wind speed in September
Northeim, Germany
- Average wind speed in September: 8.8km/h
The windiest month (with the highest average wind speed) is December (12.4km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).
Average humidity in September
Northeim, Germany
- Average humidity in September: 79%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (72%).
Average rainfall in September
Northeim, Germany
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is June (50mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in September
Northeim, Germany
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (9.9 days).
Average snowfall in September
Northeim, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (65mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Northeim, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Northeim, Germany
- 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: 8h and 1min
The month with the most sunshine is August (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days in September
Northeim, Germany
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is April (15.7 days).
The month with the least sunshine days is December (10 days).
Average UV index in September
Northeim, Germany
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January and November (UV index 1).
Average cloud cover in September
Northeim, Germany
- Average cloud cover in September: 45
The month with the most cloud cover is December (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Northeim, Germany
- Average visibility in September: 8km
The months with the highest visibility are April and August (9km).
The months with the lowest visibility are January, February, October, November and December (7km).
