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 transition into September is accompanied by a slight temperature decrease, with the average high-temperature shifting from an enjoyable 18.3°C (64.9°F) in August to a moderate 15.2°C (59.4°F). An average temperature of 11°C (51.8°F) is logged during the nights of September in Østerholt, a small step down from daytime highs.Humidity
The average relative humidity in September is 77%.Rainfall
In Østerholt, in September, during 10.6 rainfall days, 22mm (0.87") of precipitation is typically accumulated. Throughout the year, in Østerholt, there are 111 rainfall days, and 268mm (10.55") of precipitation is accumulated.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day in Østerholt is 12h and 49min.On the first day of September in Østerholt, sunrise is at 06:22 and sunset at 20:23. On the last day of the month, sunrise is at 07:27 and sunset at 18:59 CEST.
Sunshine
In September, the average sunshine in Østerholt, Norway, is 8.1h.UV index
In Østerholt, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: A maximum UV index of 4 in September translates into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Østerholt?
What is the average humidity in September in Østerholt?
How much does it rain in Østerholt in September?
When it does not snow in Østerholt?
Does it snow in Østerholt in September?
What is the average length of the day in September in Østerholt?
What time are sunrise and sunset in September in Østerholt?
How long on average sun shines in September in Østerholt?
How high is the UV index in September in Østerholt?
Average temperature in September
Østerholt, Norway
- Average high temperature in September: 15.2°C
The warmest month (with the highest average high temperature) is July (18.7°C).
The month with the lowest average high temperature is February (1.2°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is February (-1.8°C).
Average pressure in September
Østerholt, Norway
- Average pressure in September: 1012.8mbar
The month with the highest atmospheric pressure is April (1014.5mbar).
The month with the lowest atmospheric pressure is December (1007.8mbar).
Average wind speed in September
Østerholt, Norway
- Average wind speed in September: 18.8km/h
The windiest month (with the highest average wind speed) is November (21.6km/h).
The calmest month (with the lowest average wind speed) is June (15.6km/h).
Average humidity in September
Østerholt, Norway
- Average humidity in September: 77%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are May and June (71%).
Average rainfall in September
Østerholt, Norway
- Average rainfall in September: 22mm
The wettest months (with the highest rainfall) are November and December (33mm).
The driest month (with the least rainfall) is April (10mm).
Average rainfall days in September
Østerholt, Norway
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is November (12.4 days).
The month with the least rainy days is February (6.6 days).
Average snowfall in September
Østerholt, Norway
- Average snowfall in September: 0mm
The month with the highest snowfall is January (50mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Østerholt, Norway
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Østerholt, Norway
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 18h and 18min).
The month with the shortest days is December (Average daylight: 6h and 24min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Østerholt, Norway
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is April (20.5 days).
The month with the least sunshine days is November (11.2 days).
Average UV index in September
Østerholt, Norway
- Average UV index in September: 4
The month with the highest UV index is 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
Østerholt, Norway
- Average cloud cover in September: 42
The month with the most cloud cover is November (Cloud cover 61).
The months with the least cloud cover are June and July (Cloud cover 34).
Average visibility in September
Østerholt, Norway
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).
