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 dawn of September sees an average high-temperature of a still mild 13.5°C (56.3°F), subtly contrasting with August's 15.4°C (59.7°F). An average low-temperature of 7.5°C (45.5°F) marks the month of September in Grantown-on-Spey.Humidity
In September, the average relative humidity is 87%.Rainfall
In September, the rain falls for 11.6 days. Throughout September, 20mm (0.79") of precipitation is accumulated. In Grantown-on-Spey, during the entire year, the rain falls for 150.9 days and collects up to 264mm (10.39") of precipitation.Snowfall
In Grantown-on-Spey, snow does not fall in June through September.Daylight
In Grantown-on-Spey, the average length of the day in September is 12h and 47min.On the first day of the month, sunrise is at 6:17 am and sunset at 8:11 pm. On the last day of September, sunrise is at 7:17 am and sunset at 6:51 pm BST.
Sunshine
In Grantown-on-Spey, the average sunshine in September is 6.5h.UV index
The average daily maximum UV index in September in Grantown-on-Spey is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September in Grantown-on-Spey?
How many days does it rain in September?
When it does not snow?
Does it snow in Grantown-on-Spey in September?
How many hours of daylight does Grantown-on-Spey have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Grantown-on-Spey, United Kingdom
- Average high temperature in September: 13.5°C
The warmest month (with the highest average high temperature) is July (15.9°C).
The month with the lowest average high temperature is January (3°C).
- Average low temperature in September: 7.5°C
The month with the highest average low temperature is July (9.3°C).
The coldest month (with the lowest average low temperature) is January (-0.3°C).
Average pressure in September
Grantown-on-Spey, United Kingdom
- Average pressure in September: 1012mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is November (1005.9mbar).
Average wind speed in September
Grantown-on-Spey, United Kingdom
- Average wind speed in September: 14.5km/h
The windiest month (with the highest average wind speed) is January (19.8km/h).
The calmest months (with the lowest average wind speed) are June and July (11.7km/h).
Average humidity in September
Grantown-on-Spey, United Kingdom
- Average humidity in September: 87%
The month with the highest relative humidity is November (89%).
The months with the lowest relative humidity are April and May (80%).
Average rainfall in September
Grantown-on-Spey, United Kingdom
- Average rainfall in September: 20mm
The wettest month (with the highest rainfall) is June (34mm).
The driest month (with the least rainfall) is December (13mm).
Average rainfall days in September
Grantown-on-Spey, United Kingdom
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is August (17.6 days).
The month with the least rainy days is December (8.9 days).
Average snowfall in September
Grantown-on-Spey, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (70mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Grantown-on-Spey, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Grantown-on-Spey, United Kingdom
- Average daylight in September: 12h and 5min
The month with the longest days is June (Average daylight: 17h and 54min).
The month with the shortest days is December (Average daylight: 6h and 48min).
- Average sunshine in September: 6h and 3min
The months with the most sunshine are June, July and August (Average sunshine: 7h and 0min).
The months with the least sunshine are February and November (Average sunshine: 4h and 18min).
Average sunshine days in September
Grantown-on-Spey, United Kingdom
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is December (16.2 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in September
Grantown-on-Spey, United Kingdom
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, February, March, April, November and December (UV index 2).
Average cloud cover in September
Grantown-on-Spey, United Kingdom
- Average cloud cover in September: 58
The month with the most cloud cover is June (Cloud cover 65).
The months with the least cloud cover are April and December (Cloud cover 56).
Average visibility in September
Grantown-on-Spey, United Kingdom
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, October, November and December (9km).
The months with the lowest visibility are June, July, August and September (8km).
