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
As August transitions into September, Delson sees a gentle drop in the average high-temperature, transitioning from a warm 24.7°C (76.5°F) to an agreeable 20.8°C (69.4°F). Nighttime temperatures hover around an average low of 11.5°C (52.7°F) in September.Humidity
The average relative humidity in September in Delson is 76%.Rainfall
The month with the least rainfall in Delson is September, when the rain falls for 12 days and typically collects 55mm (2.17") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 31min.On the first day of September, sunrise is at 6:16 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 6:35 pm EDT.
Sunshine
The average sunshine in September in Delson is 8.5h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 3 during September leads to these instructions:
Make use of precautions - It is urged to ward off sun damage. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Delson?
What is the average humidity in September in Delson?
What is the driest month in Delson?
How much does it rain in Delson in September?
When it does not snow in Delson?
Does it snow in Delson in September?
What is the average length of the day in September in Delson?
What time are sunrise and sunset in September in Delson?
How long on average sun shines in September in Delson?
How high is the UV index in September in Delson?
Average temperature in September
Delson, Canada
- Average high temperature in September: 20.8°C
The warmest month (with the highest average high temperature) is July (25.7°C).
The month with the lowest average high temperature is January (-5.7°C).
- Average low temperature in September: 11.5°C
The month with the highest average low temperature is July (16.2°C).
The coldest month (with the lowest average low temperature) is January (-12.9°C).
Average pressure in September
Delson, Canada
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is November (1017.8mbar).
The month with the lowest atmospheric pressure is June (1012.5mbar).
Average wind speed in September
Delson, Canada
- Average wind speed in September: 11km/h
The windiest month (with the highest average wind speed) is April (14.3km/h).
The calmest months (with the lowest average wind speed) are July and August (10.9km/h).
Average humidity in September
Delson, Canada
- Average humidity in September: 76%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (73%).
Average rainfall in September
Delson, Canada
- Average rainfall in September: 55mm
The wettest month (with the highest rainfall) is May (86mm).
The driest month (with the least rainfall) is September (55mm).
Average rainfall days in September
Delson, Canada
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is January (5.9 days).
Average snowfall in September
Delson, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is January (297mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Delson, Canada
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (18.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Delson, Canada
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in September: 8h and 3min
The months with the most sunshine are July and August (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 2h and 48min).
Average sunshine days in September
Delson, Canada
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is September (16.5 days).
The month with the least sunshine days is February (9 days).
Average UV index in September
Delson, Canada
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Delson, Canada
- Average cloud cover in September: 37
The month with the most cloud cover is February (Cloud cover 71).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Delson, Canada
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January and February (7km).
