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
A mild shift in the average high-temperature occurs in September, reducing from an agreeable 22.8°C (73°F) in August to an enjoyable 18.3°C (64.9°F). The average low-temperature of 8.9°C (48°F) is witnessed during September.Humidity
In Grub am Forst, the average relative humidity in September is 79%.Rainfall
In Grub am Forst, in September, during 13.3 rainfall days, 35mm (1.38") of precipitation is typically accumulated. Throughout the year, in Grub am Forst, there are 169.3 rainfall days, and 465mm (18.31") of precipitation is accumulated.Snowfall
In Grub am Forst, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 37min.On the first day of September, sunrise is at 06:31 and sunset at 20:00. On the last day of the month, sunrise is at 07:15 and sunset at 18:56 CEST.
Sunshine
In September, the average sunshine in Grub am Forst is 8.1h.UV index
The average daily maximum UV index in September in Grub am Forst, Germany, is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 4 during September translates into these guidelines:
Undertake precautions - Obligation exists to protect against skin and eye damage. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Grub am Forst in September?
What is the average humidity in September in Grub am Forst?
How much does it rain in Grub am Forst in September?
When it does not snow in Grub am Forst?
Does it snow in Grub am Forst in September?
How many hours of daylight does Grub am Forst have in September?
What time are sunrise and sunset in September in Grub am Forst?
How long on average sun shines in September in Grub am Forst?
How high is the UV index in September in Grub am Forst?
Average temperature in September
Grub am Forst, Germany
- Average high temperature in September: 18.3°C
The warmest month (with the highest average high temperature) is July (22.9°C).
The month with the lowest average high temperature is January (0.9°C).
- Average low temperature in September: 8.9°C
The month with the highest average low temperature is August (12.5°C).
The coldest month (with the lowest average low temperature) is January (-3.3°C).
Average pressure in September
Grub am Forst, Germany
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is December (1018.2mbar).
The month with the lowest atmospheric pressure is November (1014.9mbar).
Average wind speed in September
Grub am Forst, Germany
- Average wind speed in September: 8.9km/h
The windiest month (with the highest average wind speed) is December (13.3km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).
Average humidity in September
Grub am Forst, Germany
- Average humidity in September: 79%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Grub am Forst, Germany
- Average rainfall in September: 35mm
The wettest months (with the highest rainfall) are June and August (53mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in September
Grub am Forst, Germany
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is February (10 days).
Average snowfall in September
Grub am Forst, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (97mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Grub am Forst, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Grub am Forst, Germany
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 48min).
Average sunshine days in September
Grub am Forst, Germany
- Average sunshine days in September: 14.1 days
The month with the most sunshine days is April (15.6 days).
The month with the least sunshine days is December (8.5 days).
Average UV index in September
Grub am Forst, Germany
- 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, November and December (UV index 1).
Average cloud cover in September
Grub am Forst, Germany
- Average cloud cover in September: 43
The month with the most cloud cover is December (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Grub am Forst, Germany
- Average visibility in September: 8km
The months with the highest visibility are April, May, June, July and August (9km).
The months with the lowest visibility are January, October and December (7km).
