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 Horse Islands, Canada, enters September, the average high-temperature subtly lowers from the 17.4°C (63.3°F) of August to a still refreshing 13°C (55.4°F). Horse Islands experiences a consistent average temperature of 7.6°C (45.7°F) throughout the nights in September.Humidity
September is the least humid month, with an average relative humidity of 80%.Rainfall
In Horse Islands, in September, it is raining for 13.9 days, with typically 61mm (2.4") of accumulated precipitation. In Horse Islands, during the entire year, the rain falls for 128.3 days and collects up to 685mm (26.97") of precipitation.Snowfall
In Horse Islands, snow does not fall in July through September.Daylight
In Horse Islands, the average length of the day in September is 12h and 36min.On the first day of September, sunrise is at 6:28 am and sunset at 7:56 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 6:52 pm NDT.
Sunshine
In September, the average sunshine in Horse Islands is 6.9h.UV index
The average daily maximum UV index in September in Horse Islands, Canada, is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Horse Islands in September?
What is the least humid month in Horse Islands?
What is the average humidity in September in Horse Islands?
How much does it rain in Horse Islands in September?
When it does not snow in Horse Islands?
Does it snow in Horse Islands in September?
What is the average length of the day in September in Horse Islands?
What time are sunrise and sunset in September in Horse Islands?
How long on average sun shines in September in Horse Islands?
What is the UV index reading in September in Horse Islands?
Average temperature in September
Horse Islands, Canada
- Average high temperature in September: 13°C
The warmest month (with the highest average high temperature) is August (17.4°C).
The month with the lowest average high temperature is February (-6°C).
- Average low temperature in September: 7.6°C
The month with the highest average low temperature is August (11.6°C).
The coldest month (with the lowest average low temperature) is February (-12.8°C).
Average pressure in September
Horse Islands, Canada
- Average pressure in September: 1012.8mbar
The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is January (1006.2mbar).
Average wind speed in September
Horse Islands, Canada
- Average wind speed in September: 19.7km/h
The windiest month (with the highest average wind speed) is December (22.8km/h).
The calmest month (with the lowest average wind speed) is July (16.1km/h).
Average humidity in September
Horse Islands, Canada
- Average humidity in September: 80%
The months with the highest relative humidity are February and March (90%).
The month with the lowest relative humidity is September (80%).
Average rainfall in September
Horse Islands, Canada
- Average rainfall in September: 61mm
The wettest month (with the highest rainfall) is November (81mm).
The driest months (with the least rainfall) are March and July (46mm).
Average rainfall days in September
Horse Islands, Canada
- Average rainfall days in September: 13.9 days
The month with the highest number of rainy days is July (16.7 days).
The month with the least rainy days is February (3.7 days).
Average snowfall in September
Horse Islands, Canada
- Average snowfall in September: 0mm
The month with the highest snowfall is April (131mm).
The months with the least snowfall are July, August and September (0mm).
Average snowfall days in September
Horse Islands, Canada
- Average snowfall days in September: 0.2 days
The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Horse Islands, Canada
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 6h and 5min
The month with the most sunshine is August (Average sunshine: 7h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 0min).
Average sunshine days in September
Horse Islands, Canada
- Average sunshine days in September: 13.6 days
The month with the most sunshine days is December (14.5 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in September
Horse Islands, Canada
- Average UV index in September: 3
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, March and April (UV index 1).
Average cloud cover in September
Horse Islands, Canada
- Average cloud cover in September: 51
The month with the most cloud cover is March (Cloud cover 71).
The months with the least cloud cover are August and September (Cloud cover 51).
Average visibility in September
Horse Islands, Canada
- Average visibility in September: 9km
The months with the highest visibility are June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April and May (8km).
