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
Weather in September
Temperature
September's average high-temperature is a still refreshing 14.1°C (57.4°F), maintaining a close comparison with August's 16.1°C (61°F). The nights of September in Hamilton anticipate an average low-temperature of 8.1°C (46.6°F).Humidity
The average relative humidity in September in Hamilton is 90%.Rainfall
In September, the rain falls for 19.5 days. Throughout September, 45mm (1.77") of precipitation is accumulated. In Hamilton, during the entire year, the rain falls for 235.8 days and collects up to 704mm (27.72") of precipitation.Snowfall
May through October are months without snowfall in Hamilton.Daylight
The average length of the day in September is 12h and 44min.On the first day of September in Hamilton, sunrise is at 6:22 am and sunset at 8:09 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 6:53 pm BST.
Sunshine
The average sunshine in September is 5h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 3 in September translates into the following instructions:
Undertake precautions - Guarding against sun damage is counselled. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Frequently asked questions
What is the average September temperature in Hamilton?
What is the average humidity in September in Hamilton?
How many days does it rain in September in Hamilton?
When it does not snow in Hamilton?
What is the average length of the day in September in Hamilton?
What time are sunrise and sunset in September in Hamilton?
How many hours of sunshine does Hamilton have in September?
What is the UV index reading in September in Hamilton?
Average temperature in September
Hamilton, United Kingdom
- Average high temperature in September: 14.1°C
The warmest month (with the highest average high temperature) is July (16.5°C).
The month with the lowest average high temperature is January (4.4°C).
- Average low temperature in September: 8.1°C
The month with the highest average low temperature is July (9.7°C).
The coldest months (with the lowest average low temperature) are January and February (0.8°C).
Average pressure in September
Hamilton, United Kingdom
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is May (1015.4mbar).
The month with the lowest atmospheric pressure is November (1006.9mbar).
Average wind speed in September
Hamilton, United Kingdom
- Average wind speed in September: 14.1km/h
The windiest month (with the highest average wind speed) is January (18.4km/h).
The calmest month (with the lowest average wind speed) is July (12.3km/h).
Average humidity in September
Hamilton, United Kingdom
- Average humidity in September: 90%
The months with the highest relative humidity are November and December (91%).
The month with the lowest relative humidity is April (83%).
Average rainfall in September
Hamilton, United Kingdom
- Average rainfall in September: 45mm
The wettest month (with the highest rainfall) is August (80mm).
The driest month (with the least rainfall) is April (33mm).
Average rainfall days in September
Hamilton, United Kingdom
- Average rainfall days in September: 19.5 days
The month with the highest number of rainy days is August (23.8 days).
The month with the least rainy days is February (15.8 days).
Average snowfall in September
Hamilton, United Kingdom
- Average snowfall in September: 0mm
The month with the highest snowfall is February (56mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Hamilton, United Kingdom
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.8 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Hamilton, United Kingdom
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 17h and 30min).
The month with the shortest days is December (Average daylight: 7h and 6min).
- Average sunshine in September: 5h and 0min
The months with the most sunshine are April and June (Average sunshine: 6h and 18min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in September
Hamilton, United Kingdom
- Average sunshine days in September: 7.7 days
The month with the most sunshine days is April (10.1 days).
The month with the least sunshine days is August (4.1 days).
Average UV index in September
Hamilton, United Kingdom
- Average UV index in September: 3
The month with the highest UV index is June (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
Hamilton, United Kingdom
- Average cloud cover in September: 68
The month with the most cloud cover is August (Cloud cover 70).
The month with the least cloud cover is April (Cloud cover 59).
Average visibility in September
Hamilton, United Kingdom
- Average visibility in September: 7km
The month with the highest visibility is April (9km).
The month with the lowest visibility is September (7km).
Hamilton, United Kingdom
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