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 sea temperature 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
Rawasan's weather in September displays an average high-temperature of a still hot 33.7°C (92.7°F), showing minor disparity from August's 32.3°C (90.1°F). Rawasan's September nights cool down to an average low-temperature of 22.9°C (73.2°F).Heat index
September's heat index is appraised at a scorching 43°C (109.4°F). Keep alert: Heat cramps and heat exhaustion are probable. Heatstroke is a potential danger with continued physical activity.Factoring in the heat index, values are geared towards shaded areas with light breezes. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is a measure of how hot it feels when the actual air humidity is factored in. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Keep it in mind, direct sunlight can augment the heat you experience, possibly pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
When temperatures rise, the human body turns to perspiration, using the cooling power of evaporating sweat. Increased relative humidity slows down evaporation, thereby decreasing the rate of heat removal from the body, culminating in a sensation of overheating. Overheating dangers loom when the body's heat release mechanisms are overshadowed by excessive gain.
Humidity
With an average relative humidity of 65%, September is the least humid month.Rainfall
In Rawasan, during September, the rain falls for 8.8 days and regularly aggregates up to 19mm (0.75") of precipitation. In Rawasan, during the entire year, the rain falls for 232.5 days and collects up to 1054mm (41.5") of precipitation.Sea temperature
In September, the average sea temperature is 28.5°C (83.3°F).Note: Surface water temperatures ranging from 25°C (77°F) to 29°C (84.2°F) are seen as ideal and highly pleasant for extended enjoyment in all water activities.
Daylight
The average length of the day in September is 12h and 4min.On the first day of September, sunrise is at 05:32 and sunset at 17:31. On the last day of the month, sunrise is at 05:17 and sunset at 17:26 WIB.
Sunshine
August and September, with an average of 9.7h of sunshine, are months with the most sunshine.UV index
The months with the highest UV index are February through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A daily maximum UV index of 7 in September translates into the following instructions:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Avoid direct Sun exposure and seek shade from 10 a.m. to 4 p.m., the period of highest UV radiation. Remember, however, that not all shade structures offer full protection. Always opt for UVA and UVB-resistant sunglasses on radiant days. Alert! The Sun's UV rays are heightened by the reflection of sand and water.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in September?
What is the least humid month?
What is the average humidity in September?
How much does it rain in September?
What is the sea water temperature in September?
How many hours of daylight does Rawasan have in September?
When are sunrise and sunset in September?
What is the month with the most sunshine?
How many hours of sunshine does Rawasan have in September?
What are the months with the highest UV index?
How high is the UV index in September?
Average temperature in September
Rawasan, Indonesia
- Average high temperature in September: 33.7°C
The warmest month (with the highest average high temperature) is October (34.2°C).
The months with the lowest average high temperature are January and February (29.8°C).
- Average low temperature in September: 22.9°C
The month with the highest average low temperature is November (24.9°C).
The coldest month (with the lowest average low temperature) is July (22.3°C).
Average pressure in September
Rawasan, Indonesia
- Average pressure in September: 1011.2mbar
The months with the highest atmospheric pressure are August and September (1011.2mbar).
The month with the lowest atmospheric pressure is December (1008.7mbar).
Average wind speed in September
Rawasan, Indonesia
- Average wind speed in September: 8.5km/h
The windiest month (with the highest average wind speed) is August (8.7km/h).
The calmest month (with the lowest average wind speed) is April (5.4km/h).
Average humidity in September
Rawasan, Indonesia
- Average humidity in September: 65%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is September (65%).
Average rainfall in September
Rawasan, Indonesia
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is March (165mm).
The driest month (with the least rainfall) is August (12mm).
Average rainfall days in September
Rawasan, Indonesia
- Average rainfall days in September: 8.8 days
The month with the highest number of rainy days is December (27.5 days).
The month with the least rainy days is August (7.3 days).
Average sea temperature in September
Rawasan, Indonesia
- Average sea temperature in September: 28.5°C
The best month for swimming (with the highest average sea temperature) is December (30.2°C).
The coldest month (with the lowest average sea temperature) is August (28.1°C).
Average daylight in September /
Average sunshine in September
Rawasan, Indonesia
- Average daylight in September: 12h and 1min
The month with the longest days is December (Average daylight: 12h and 30min).
The month with the shortest days is June (Average daylight: 11h and 42min).
- Average sunshine in September: 9h and 4min
The months with the most sunshine are August and September (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 6h and 42min).
Average sunshine days in September
Rawasan, Indonesia
- Average sunshine days in September: 19.4 days
The month with the most sunshine days is August (21.7 days).
The month with the least sunshine days is December (2.8 days).
Average UV index in September
Rawasan, Indonesia
- Average UV index in September: 7
The months with the highest UV index are February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is January (UV index 6).
Average cloud cover in September
Rawasan, Indonesia
- Average cloud cover in September: 22
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is September (Cloud cover 22).
Average visibility in September
Rawasan, Indonesia
- Average visibility in September: 10km
The months with the highest visibility are June, July, August, September and October (10km).
The months with the lowest visibility are January, February and March (8km).
