September weather forecast
Senden, Indonesia

September

Weather in September

September, the first month of the spring in Senden, is still a warm month, with an average temperature varying between 28.4°C (83.1°F) and 22.3°C (72.1°F).

Temperature

The average high-temperature in September, at a still warm 28.4°C (83.1°F), reveals a modest deviation from August's 27.9°C (82.2°F). September brings an average low-temperature of 22.3°C (72.1°F) to Senden.

Heat index

For most parts of September, the heat index is estimated at a tropical 33°C (91.4°F). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.
Heat index data is primarily for areas with shade and subjected to light winds. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is an index that combines air temperature and relative humidity to determine the human-perceived temperature equivalent. Elements such as metabolic variations, pregnancy, and physical exertion can shape one's weather perception. Consider the sun's direct rays and their impact; they can potentially increase the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.

Humidity

September and October, with an average relative humidity of 79%, are the least humid months.

Rainfall

In September, the rain falls for 14.9 days. Throughout September, 24mm (0.94") of precipitation is accumulated. In Senden, during the entire year, the rain falls for 246 days and collects up to 906mm (35.67") of precipitation.

Daylight

The average length of the day in September is 12h and 4min.
On the first day of September, sunrise is at 05:38 and sunset at 17:36. On the last day of the month, sunrise is at 05:22 and sunset at 17:32 WIB.

Sunshine

In September, the average sunshine is 8.7h.

UV index

The months with the highest UV index are February through May, September through December, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV rays for average individuals.
Note: During September, 7 as the daily maximum UV index converts into the following advice:
Stand by precautions and apply sun safety measures. Evading sunburn is of great importance. Seek shade and limit direct Sun exposure between 10 a.m. and 4 p.m., when UV radiation is at its peak, but be aware that not all shade structures provide complete sun protection. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.

Frequently asked questions

How hot does it get in September?
In Senden, 28.4°C (83.1°F) is the average high-temperature and 22.3°C (72.1°F) is the average low-temperature during 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, in September is estimated at 33°C (91.4°F).
What is the least humid month?
The months with the lowest humidity are September and October, with an average relative humidity of 79%.
What is the average humidity in September in Senden?
In Senden, the average relative humidity in September is 79%.
How many days does it rain in September?
In Senden, in September, during 14.9 rainfall days, 24mm (0.94") of precipitation is typically accumulated.
How many hours of daylight does Senden have in September?
In September, the average day length is 12h and 4min.
When is the sunrise / sunset in September?
On the first day of September, sunrise is at 05:38 and sunset at 17:36. On the last day of the month, sunrise is at 05:22 and sunset at 17:32 WIB.
How long on average sun shines in September?
In September, the average sunshine duration is 8.7h.
What are the months with the highest UV index?
The months with the highest UV index are February through May, September through December, with an average maximum UV index of 7.
What is the UV index reading in September?
The average daily maximum UV index in September is 7. A UV Index reading of 6 to 7 represents a high health threat from exposure to the Sun's UV radiation.
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
Senden, Indonesia
  • Average high temperature in September: 28.4°C

The warmest month (with the highest average high temperature) is October (29.4°C).
The month with the lowest average high temperature is July (27.8°C).

  • Average low temperature in September: 22.3°C

The months with the highest average low temperature are January and November (24.3°C).
The coldest month (with the lowest average low temperature) is August (21.9°C).

Average pressure in September
Senden, Indonesia
  • Average pressure in September: 1011.9mbar

The months with the highest atmospheric pressure are August and September (1011.9mbar).
The month with the lowest atmospheric pressure is December (1009.1mbar).

Average wind speed in September
Senden, Indonesia
  • Average wind speed in September: 13.3km/h

The windiest month (with the highest average wind speed) is August (14.5km/h).
The calmest month (with the lowest average wind speed) is March (8.4km/h).

Average humidity in September
Senden, Indonesia
  • Average humidity in September: 79%

The months with the highest relative humidity are May and June (82%).
The months with the lowest relative humidity are September and October (79%).

Average rainfall in September
Senden, Indonesia
  • Average rainfall in September: 24mm

The wettest month (with the highest rainfall) is January (126mm).
The driest month (with the least rainfall) is August (14mm).

Average rainfall days in September
Senden, Indonesia
  • Average rainfall days in September: 14.9 days

The months with the highest number of rainy days are January, March and November (24.7 days).
The month with the least rainy days is August (11.4 days).

Average daylight in September /
Average sunshine in September
Senden, Indonesia
  • Average daylight in September: 12h and 1min

The month with the longest days is December (Average daylight: 12h and 36min).
The month with the shortest days is June (Average daylight: 11h and 42min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is February (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).

Average sunshine days in September
Senden, Indonesia
  • Average sunshine days in September: 8.9 days

The month with the most sunshine days is August (11.6 days).
The month with the least sunshine days is November (3.4 days).

Average UV index in September
Senden, Indonesia
  • Average UV index in September: 7

The months with the highest UV index are February, March, April, May, September, October, November and December (UV index 7).
The months with the lowest UV index are January, June, July and August (UV index 6).

Average cloud cover in September
Senden, Indonesia
  • Average cloud cover in September: 40

The months with the most cloud cover are January and December (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 35).

Average visibility in September
Senden, Indonesia
  • Average visibility in September: 10km

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

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