September weather forecast
Simomulyo, Indonesia

September

Weather in September

The first month of the spring, September, is still a tropical month in Simomulyo, Indonesia, with an average temperature varying between 32.6°C (90.7°F) and 24.3°C (75.7°F).

Temperature

Simomulyo records an average high-temperature of a still tropical 32.6°C (90.7°F) in September, maintaining a close correlation with August's 31.8°C (89.2°F). Simomulyo witnesses an average low-temperature of 24.3°C (75.7°F) throughout the month of September.

Heat index

September's average heat index is computed to be an extremely hot 40°C (104°F). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
Data suggests that the heat index is set for environments in shade and with a light wind. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is a value derived by merging air temperature with the humidity to convey how the climate feels. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold particular significance for children. Young individuals are generally in more danger than adults due to their lower capacity to sweat. Moreover, their large skin surface in relation to their small bodies and the increased heat generation from their activities makes them more vulnerable.
By perspiring, the human body can shed its excessive warmth since evaporated sweat cools it off. A higher relative humidity affects normal body cooling by reducing the evaporation rate, subsequently lowering the rate at which the body cools and increasing the perception of heat. As body temperatures escalate without effective heat release, one might face dehydration threats.

Humidity

September and October, with an average relative humidity of 63%, are the least humid months.

Rainfall

August and September are months with the least rain in Simomulyo when the rain falls for 2.9 days and typically aggregates up to 3mm (0.12") of rain.

Daylight

In September, the average length of the day in Simomulyo is 12h and 4min.
On the first day of the month, sunrise is at 05:29 and sunset at 17:28. On the last day of September, sunrise is at 05:14 and sunset at 17:24 WIB.

Sunshine

August through October, with an average of 9.8h of sunshine, are months with the most sunshine in Simomulyo.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Simomulyo. January through December, with an average maximum UV index of 7, are months with the lowest UV index in Simomulyo. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: An average UV index of 7 in September transforms into this advice:
Exercise precautions and adapt sun safety practices. Defence against skin and eye affliction is paramount. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.

Frequently asked questions

How hot does it get in Simomulyo in September?
In Simomulyo, in September, the average high-temperature is 32.6°C (90.7°F), and the average low-temperature is 24.3°C (75.7°F). In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is computed to be 40°C (104°F).
What is the least humid month in Simomulyo?
The months with the lowest humidity in Simomulyo are September and October, with an average relative humidity of 63%.
What is the average humidity in September in Simomulyo?
In Simomulyo, the average relative humidity in September is 63%.
What is the driest month in Simomulyo?
The months with the least rainfall are August and September Rain falls for 2.9 days and accumulates 3mm (0.12") of rain.
How much does it rain in Simomulyo in September?
In Simomulyo, in September, it is raining for 2.9 days, with typically 3mm (0.12") of accumulated precipitation.
How many hours of daylight does Simomulyo have in September?
In September, the average day length in Simomulyo, Indonesia, is 12h and 4min.
When is the sunrise / sunset in September in Simomulyo?
In September, on the first day of the month, sunrise is at 05:29 and sunset at 17:28. On the last day of the month, in Simomulyo, sunrise is at 05:14 and sunset at 17:24 WIB.
What is the month with the most sunshine in Simomulyo?
August through October, with an average of 9.8h of sunshine, are months with the most sunshine.
How long on average sun shines in September in Simomulyo?
In September, the average sunshine duration in Simomulyo is 9.8h.
When is the highest UV index in Simomulyo?
January through December, with an average maximum UV index of 7, are months with the highest UV index in Simomulyo, Indonesia.
What is the month with the lowest UV index in Simomulyo?
January through December, with an average maximum UV index of 7, are months with the lowest UV index in Simomulyo.
What is the UV index intensity in September in Simomulyo?
In Simomulyo, the average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high health threat from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Simomulyo, Indonesia
Average temperature in September
Simomulyo, Indonesia
  • Average high temperature in September: 32.6°C

The warmest month (with the highest average high temperature) is October (33.5°C).
The month with the lowest average high temperature is January (30°C).

  • Average low temperature in September: 24.3°C

The month with the highest average low temperature is November (26.5°C).
The coldest month (with the lowest average low temperature) is August (24°C).

Average pressure in September - Simomulyo, Indonesia
Average pressure in September
Simomulyo, 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 (1008.6mbar).

Average wind speed in September - Simomulyo, Indonesia
Average wind speed in September
Simomulyo, Indonesia
  • Average wind speed in September: 8.8km/h

The windiest month (with the highest average wind speed) is January (10.6km/h).
The calmest month (with the lowest average wind speed) is April (6.2km/h).

Average humidity in September - Simomulyo, Indonesia
Average humidity in September
Simomulyo, Indonesia
  • Average humidity in September: 63%

The months with the highest relative humidity are January and February (81%).
The months with the lowest relative humidity are September and October (63%).

Average rainfall in September - Simomulyo, Indonesia
Average rainfall in September
Simomulyo, Indonesia
  • Average rainfall in September: 3mm

The wettest month (with the highest rainfall) is February (81mm).
The driest months (with the least rainfall) are August and September (3mm).

Average rainfall days in September - Simomulyo, Indonesia
Average rainfall days in September
Simomulyo, Indonesia
  • Average rainfall days in September: 2.9 days

The month with the highest number of rainy days is February (22.9 days).
The month with the least rainy days is September (2.9 days).

Average daylight in September / Average sunshine in September - Simomulyo, Indonesia
Average daylight in September /
Average sunshine in September
Simomulyo, 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 5min

The months with the most sunshine are August, September and October (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 7h and 36min).

Average sunshine days in September - Simomulyo, Indonesia
Average sunshine days in September
Simomulyo, Indonesia
  • Average sunshine days in September: 25.2 days

The month with the most sunshine days is August (25.3 days).
The month with the least sunshine days is February (4.1 days).

Average UV index in September - Simomulyo, Indonesia
Average UV index in September
Simomulyo, Indonesia
  • Average UV index in September: 7

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).

Average cloud cover in September - Simomulyo, Indonesia
Average cloud cover in September
Simomulyo, Indonesia
  • Average cloud cover in September: 14

The month with the most cloud cover is January (Cloud cover 48).
The months with the least cloud cover are August and September (Cloud cover 14).

Average visibility in September - Simomulyo, Indonesia
Average visibility in September
Simomulyo, Indonesia
  • Average visibility in September: 10km

The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January and February (9km).

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