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 involves a small decrease in the average high-temperature, dipping slightly from a warm 24°C (75.2°F) in August to a comfortable 19.5°C (67.1°F). Throughout September, Hattmatt records an average temperature of 9.5°C (49.1°F) at night.Humidity
In Hattmatt, the average relative humidity in September is 79%.Rainfall
In September, in Hattmatt, France, the rain falls for 12.5 days. Throughout September, 39mm (1.54") of precipitation is accumulated. Throughout the year, there are 179.6 rainfall days, and 606mm (23.86") of precipitation is accumulated.Snowfall
In Hattmatt, snow does not fall in June through September.Daylight
In Hattmatt, the average length of the day in September is 12h and 35min.On the first day of the month, sunrise is at 06:47 and sunset at 20:12. On the last day of September, in Hattmatt, sunrise is at 07:29 and sunset at 19:11 CEST.
Sunshine
In September, the average sunshine is 8.5h.UV index
In Hattmatt, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: In September, a regular UV index of 4 translates into these guidelines:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Hattmatt in September?
What is the average humidity in September in Hattmatt?
How many days does it rain in September in Hattmatt?
When it does not snow in Hattmatt?
Does it snow in Hattmatt in September?
How many hours of daylight does Hattmatt have in September?
What time are sunrise and sunset in September in Hattmatt?
How long on average sun shines in September in Hattmatt?
How high is the UV index in September in Hattmatt?
Average temperature in September
Hattmatt, France
- Average high temperature in September: 19.5°C
The warmest month (with the highest average high temperature) is August (24°C).
The month with the lowest average high temperature is January (3.6°C).
- Average low temperature in September: 9.5°C
The month with the highest average low temperature is August (13.1°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).
Average pressure in September
Hattmatt, France
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1019.5mbar).
The month with the lowest atmospheric pressure is November (1015mbar).
Average wind speed in September
Hattmatt, France
- Average wind speed in September: 8.5km/h
The windiest month (with the highest average wind speed) is February (12.9km/h).
The calmest month (with the lowest average wind speed) is August (8.2km/h).
Average humidity in September
Hattmatt, France
- Average humidity in September: 79%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Hattmatt, France
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is December (69mm).
The driest month (with the least rainfall) is April (35mm).
Average rainfall days in September
Hattmatt, France
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is February (11.9 days).
Average snowfall in September
Hattmatt, France
- Average snowfall in September: 0mm
The month with the highest snowfall is December (90mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Hattmatt, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hattmatt, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 8h and 3min
The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The months with the least sunshine are January and December (Average sunshine: 3h and 54min).
Average sunshine days in September
Hattmatt, France
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is April (14.8 days).
The month with the least sunshine days is June (9.5 days).
Average UV index in September
Hattmatt, France
- 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, November and December (UV index 2).
Average cloud cover in September
Hattmatt, France
- Average cloud cover in September: 36
The months with the most cloud cover are January and December (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Hattmatt, France
- Average visibility in September: 8km
The months with the highest visibility are March, April, May, June, July and August (9km).
The months with the lowest visibility are January, February, September, October, November and December (8km).
