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 brings an average high-temperature of a still enjoyable 18.6°C (65.5°F), nearly identical to August's 19.8°C (67.6°F). During September, the average low-temperature is recorded at a cool 12.7°C (54.9°F).Humidity
The months with the lowest humidity are April and September, with an average relative humidity of 80%.Rainfall
September is the month with the least rainfall in Dirinon. Rain falls for 12.5 days and accumulates 24mm (0.94") of precipitation.Snowfall
April through October are months without snowfall in Dirinon.Daylight
In September, the average length of the day is 12h and 35min.On the first day of September, sunrise is at 07:35 and sunset at 20:58. On the last day of the month, sunrise is at 08:15 and sunset at 19:57 CEST.
Sunshine
In September, the average sunshine in Dirinon is 7.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 4 in September translates into these instructions:
Act with care - The need to guard against sun damage is communicated. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Dirinon?
What is the least humid month in Dirinon?
What is the average humidity in September in Dirinon?
What is the driest month in Dirinon?
How many days does it rain in September in Dirinon?
When it does not snow in Dirinon?
How many hours of daylight does Dirinon have in September?
What time are sunrise and sunset in September in Dirinon?
How many hours of sunshine does Dirinon have in September?
What is the UV index intensity in September in Dirinon?
Average temperature in September
Dirinon, France
- Average high temperature in September: 18.6°C
The warmest month (with the highest average high temperature) is July (19.9°C).
The month with the lowest average high temperature is February (9.6°C).
- Average low temperature in September: 12.7°C
The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is February (5.6°C).
Average pressure in September
Dirinon, France
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is September (1018.3mbar).
The month with the lowest atmospheric pressure is November (1012mbar).
Average wind speed in September
Dirinon, France
- Average wind speed in September: 16.7km/h
The windiest month (with the highest average wind speed) is December (24.1km/h).
The calmest month (with the lowest average wind speed) is July (16km/h).
Average humidity in September
Dirinon, France
- Average humidity in September: 80%
The months with the highest relative humidity are January, June and December (83%).
The months with the lowest relative humidity are April and September (80%).
Average rainfall in September
Dirinon, France
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is November (77mm).
The driest month (with the least rainfall) is September (24mm).
Average rainfall days in September
Dirinon, France
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is December (19.5 days).
The month with the least rainy days is September (12.5 days).
Average snowfall in September
Dirinon, France
- Average snowfall in September: 0mm
The month with the highest snowfall is January (6mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Dirinon, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1 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
Dirinon, France
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 7h 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: 3h and 12min).
Average sunshine days in September
Dirinon, France
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is May (14.7 days).
The month with the least sunshine days is November (7.3 days).
Average UV index in September
Dirinon, France
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in September
Dirinon, France
- Average cloud cover in September: 44
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is April (Cloud cover 43).
Average visibility in September
Dirinon, France
- Average visibility in September: 9km
The months with the highest visibility are March and April (10km).
The months with the lowest visibility are January, February, May, June, July, August, September, October, November and December (9km).
