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 corresponds with a minor reduction in the average high-temperature, down from August's moderately hot 24.7°C (76.5°F) to a pleasant 21°C (69.8°F). During the nights in September, the temperature averages to a refreshing 13°C (55.4°F).Humidity
The months with the lowest humidity are April, May, July through September, with an average relative humidity of 75%.Rainfall
In Deseronto, during September, the rain falls for 13.1 days and regularly aggregates up to 43mm (1.69") of precipitation. In Deseronto, during the entire year, the rain falls for 145 days and collects up to 595mm (23.43") of precipitation.Snowfall
In Deseronto, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 30min.On the first day of September, sunrise is at 6:32 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 6:50 pm EDT.
Sunshine
The average sunshine in September is 9.6h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum UV index of 4 in September translates into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Deseronto in September?
What is the least humid month?
What is the average humidity in September in Deseronto?
How much does it rain in September?
When it does not snow?
Does it snow in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Deseronto have in September?
What is the UV index reading in September?
Average temperature in September
Deseronto, Canada
- Average high temperature in September: 21°C
The warmest month (with the highest average high temperature) is July (25.5°C).
The month with the lowest average high temperature is January (-3°C).
- Average low temperature in September: 13°C
The month with the highest average low temperature is July (16.8°C).
The coldest month (with the lowest average low temperature) is January (-9°C).
Average pressure in September
Deseronto, Canada
- Average pressure in September: 1017.1mbar
The months with the highest atmospheric pressure are March and November (1018.1mbar).
The month with the lowest atmospheric pressure is June (1012.8mbar).
Average wind speed in September
Deseronto, Canada
- Average wind speed in September: 12.4km/h
The windiest month (with the highest average wind speed) is January (16.4km/h).
The calmest month (with the lowest average wind speed) is July (11.1km/h).
Average humidity in September
Deseronto, Canada
- Average humidity in September: 75%
The months with the highest relative humidity are January and February (85%).
The months with the lowest relative humidity are April, May, July, August and September (75%).
Average rainfall in September
Deseronto, Canada
- Average rainfall in September: 43mm
The wettest month (with the highest rainfall) is October (76mm).
The driest month (with the least rainfall) is February (36mm).
Average rainfall days in September
Deseronto, Canada
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is August (16.2 days).
The month with the least rainy days is February (5.8 days).
Average snowfall in September
Deseronto, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is December (105mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Deseronto, Canada
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Deseronto, Canada
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in September
Deseronto, Canada
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is March (15.9 days).
The month with the least sunshine days is August (12.9 days).
Average UV index in September
Deseronto, Canada
- Average UV index in September: 4
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
Deseronto, Canada
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in September
Deseronto, Canada
- Average visibility in September: 10km
The months with the highest visibility are July, August and September (10km).
The months with the lowest visibility are January, February, March, April, May, June, October, November and December (9km).
