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 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
September brings a minor decrease, with the average high-temperature reducing from a fiery hot 37.3°C (99.1°F) in August to a hot 31.8°C (89.2°F). From the height of daytime heat, the temperature in Guadalcanal recedes to an average of 19.2°C (66.6°F) at night during September.Heat index
In September, the heat index is estimated at a hot 34°C (93.2°F). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.When assessing, remember that heat index measurements are for light winds and shaded spots. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. Additional elements including metabolic differences, the level of physical activity, and attire have a role in shaping the individual's temperature perception. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
Humidity
In Guadalcanal, Spain, the average relative humidity in September is 49%.Rainfall
In Guadalcanal, Spain, during September, the rain falls for 5 days and regularly aggregates up to 10mm (0.39") of precipitation. In Guadalcanal, during the entire year, the rain falls for 71.6 days and collects up to 281mm (11.06") of precipitation.Daylight
In September, the average length of the day in Guadalcanal, Spain, is 12h and 26min.On the first day of the month, sunrise is at 07:53 and sunset at 20:52. On the last day of September, in Guadalcanal, sunrise is at 08:18 and sunset at 20:07 CEST.
Sunshine
In September, the average sunshine is 9.5h.UV index
In September, the average daily maximum UV index in Guadalcanal is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 6 during September translates into the following guidance:
Dodge overexposure. Fair-skinned people can get singed in less than 20 minutes. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September in Guadalcanal?
What is the average humidity in September in Guadalcanal?
How many days does it rain in September in Guadalcanal?
How many hours of daylight does Guadalcanal have in September?
What time are sunrise and sunset in September in Guadalcanal?
How many hours of sunshine does Guadalcanal have in September?
How high is the UV index in September in Guadalcanal?
Average temperature in September
Guadalcanal, Spain
- Average high temperature in September: 31.8°C
The warmest month (with the highest average high temperature) is August (37.3°C).
The month with the lowest average high temperature is January (15.3°C).
- Average low temperature in September: 19.2°C
The month with the highest average low temperature is August (21.8°C).
The coldest month (with the lowest average low temperature) is February (6.6°C).
Average pressure in September
Guadalcanal, Spain
- Average pressure in September: 1016.2mbar
The month with the highest atmospheric pressure is December (1022.8mbar).
The months with the lowest atmospheric pressure are July and August (1014.9mbar).
Average wind speed in September
Guadalcanal, Spain
- Average wind speed in September: 8km/h
The windiest month (with the highest average wind speed) is March (10.6km/h).
The calmest month (with the lowest average wind speed) is September (8km/h).
Average humidity in September
Guadalcanal, Spain
- Average humidity in September: 49%
The month with the highest relative humidity is January (75%).
The month with the lowest relative humidity is August (38%).
Average rainfall in September
Guadalcanal, Spain
- Average rainfall in September: 10mm
The wettest month (with the highest rainfall) is November (49mm).
The driest months (with the least rainfall) are July and August (1mm).
Average rainfall days in September
Guadalcanal, Spain
- Average rainfall days in September: 5 days
The months with the highest number of rainy days are March and April (10.4 days).
The month with the least rainy days is July (1 days).
Average daylight in September /
Average sunshine in September
Guadalcanal, Spain
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 9h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 8h and 6min).
Average sunshine days in September
Guadalcanal, Spain
- Average sunshine days in September: 24.2 days
The month with the most sunshine days is July (29.7 days).
The month with the least sunshine days is April (18.5 days).
Average UV index in September
Guadalcanal, Spain
- Average UV index in September: 6
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Guadalcanal, Spain
- Average cloud cover in September: 15
The months with the most cloud cover are January and March (Cloud cover 31).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in September
Guadalcanal, Spain
- Average visibility in September: 10km
The months with the highest visibility are May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March and April (9km).
