September weather forecastCastirla, France
September
Weather in September
September, the first month of the autumn in Castirla, is still a pleasant month, with an average temperature fluctuating between 22.3°C (72.1°F) and 17.1°C (62.8°F).Temperature
September witnesses a gentle descent in average high-temperature, descending from August's warm 25.9°C (78.6°F) to a pleasant 22.3°C (72.1°F). During the month of September, Castirla anticipates a mean low-temperature of 17.1°C (62.8°F).Humidity
In September, the average relative humidity in Castirla is 72%.Rainfall
In Castirla, during September, the rain falls for 11.4 days and regularly aggregates up to 37mm (1.46") of precipitation. In Castirla, France, during the entire year, the rain falls for 141.2 days and collects up to 578mm (22.76") of precipitation.Snowfall
In Castirla, snow does not fall in April through November.Daylight
The average length of the day in September in Castirla is 12h and 29min.On the first day of September in Castirla, sunrise is at 06:49 and sunset at 19:57. On the last day of the month, sunrise is at 07:19 and sunset at 19:06 CEST.
Sunshine
In September, the average sunshine in Castirla is 10.2h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In September, a daily UV index of 5 turns into the following recommendations:
Act with care - Obligation to protect against skin and eye damage is highlighted. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Castirla, France
- Average high temperature in September: 22.3°C
The warmest month (with the highest average high temperature) is August (25.9°C).
The months with the lowest average high temperature are January and February (10.2°C).
- Average low temperature in September: 17.1°C
The month with the highest average low temperature is August (19.5°C).
The coldest month (with the lowest average low temperature) is February (5.8°C).
Average pressure in September
Castirla, France
- Average pressure in September: 1015.3mbar
The month with the highest atmospheric pressure is December (1017.9mbar).
The month with the lowest atmospheric pressure is November (1013.5mbar).
Average wind speed in September
Castirla, France
- Average wind speed in September: 11.9km/h
The windiest months (with the highest average wind speed) are February and March (16km/h).
The calmest month (with the lowest average wind speed) is August (10.4km/h).
Average humidity in September
Castirla, France
- Average humidity in September: 72%
The month with the highest relative humidity is November (78%).
The months with the lowest relative humidity are July and August (68%).
Average rainfall in September
Castirla, France
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is November (85mm).
The driest months (with the least rainfall) are June and July (32mm).
Average rainfall days in September
Castirla, France
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is November (15.4 days).
The month with the least rainy days is August (7.7 days).
Average snowfall in September
Castirla, France
- Average snowfall in September: 0mm
The month with the highest snowfall is February (13mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Castirla, France
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Castirla, France
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 10h and 12min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 6min).
Average sunshine days in September
Castirla, France
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is August (21.5 days).
The month with the least sunshine days is November (12.5 days).
Average UV index in September
Castirla, France
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Castirla, France
- Average cloud cover in September: 15
The month with the most cloud cover is January (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in September
Castirla, France
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





