September weather forecast
Notoprajan, Indonesia

September

Weather in September

September, the first month of the spring in Notoprajan, is still a warm month, with an average temperature varying between 21.3°C (70.3°F) and 28.5°C (83.3°F).

Temperature

As Notoprajan transitions into September, the average high-temperature stands at a still warm 28.5°C (83.3°F), offering little variation from the preceding month. Notoprajan's temperature lowers to a mean of 21.3°C (70.3°F) during the nights in September.

Heat index

September's mean heat index is calculated to be a tropical 33°C (91.4°F). Implement more preventive measures, heat cramps and heat exhaustion are probable. Heatstroke might result from extended activity.
Heat index determinations are made taking into account the shade and light air movements. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', arises from combining readings of air temperature and relative moisture content. One's weather perception can be influenced by a range of factors including metabolic differences, being pregnant, and their level of physical activity. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to babies and toddlers. Youths are typically more endangered than adults since they usually sweat less. Their larger skin surface concerning their smaller bodies and higher heat production due to activity further adds to their vulnerability.

Humidity

September and October, with an average relative humidity of 80%, are the least humid months.

Rainfall

In September, the rain falls for 17.1 days. Throughout September, 52mm (2.05") of precipitation is accumulated. Throughout the year, there are 293.9 rainfall days, and 1749mm (68.86") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 4min.
On the first day of the month, sunrise is at 05:39 and sunset at 17:37. On the last day of September, sunrise is at 05:23 and sunset at 17:33 WIB.

Sunshine

In September, the average sunshine is 8.8h.

UV index

The months with the lowest UV index are January, April through September, November and December, with an average maximum UV index of 6. A UV Index estimate of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: An average maximum UV index of 6 in September leads to these recommendations:
Persist with precautions and heed sun safety advice. Prevention of sunburn is compulsory. Avoid exposure to the Sun and try to stay in the shade between 10 a.m. and 4 p.m., when UV radiation is most potent, but be aware that parasols or canopies may not offer full protection. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.

Frequently asked questions

How hot is it in September?
During September, Notoprajan experiences an average high-temperature of 28.5°C (83.3°F) and a low-temperature of 21.3°C (70.3°F). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is calculated to be 33°C (91.4°F).
What are the least humid months?
September and October, with an average relative humidity of 80%, are the least humid months.
What is the average humidity in September?
In September, the average relative humidity is 80%.
How many days does it rain in September in Notoprajan?
In Notoprajan, Indonesia, during September, the rain falls for 17.1 days and regularly aggregates up to 52mm (2.05") of precipitation.
How many hours of daylight does Notoprajan have in September?
In Notoprajan, the average day length in September is 12h and 4min.
What time are sunrise and sunset in September in Notoprajan?
In September, on the first day of the month, sunrise is at 05:39 and sunset at 17:37. On the last day of the month, sunrise is at 05:23 and sunset at 17:33 WIB.
How long on average sun shines in September?
The average sunshine duration in September in Notoprajan is 8.8h.
When is the lowest UV index?
The months with the lowest UV index are January, April through September, November and December, with an average maximum UV index of 6.
How high is the UV index in September?
The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health risk 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
Notoprajan, Indonesia
  • Average high temperature in September: 28.5°C

The warmest month (with the highest average high temperature) is October (29.3°C).
The month with the lowest average high temperature is July (27.7°C).

  • Average low temperature in September: 21.3°C

The months with the highest average low temperature are January and November (23.3°C).
The coldest month (with the lowest average low temperature) is August (21°C).

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

The month with the highest atmospheric pressure is September (1011.9mbar).
The month with the lowest atmospheric pressure is December (1009mbar).

Average wind speed in September
Notoprajan, Indonesia
  • Average wind speed in September: 11.2km/h

The windiest month (with the highest average wind speed) is August (11.6km/h).
The calmest month (with the lowest average wind speed) is April (7km/h).

Average humidity in September
Notoprajan, Indonesia
  • Average humidity in September: 80%

The months with the highest relative humidity are May and June (84%).
The months with the lowest relative humidity are September and October (80%).

Average rainfall in September
Notoprajan, Indonesia
  • Average rainfall in September: 52mm

The wettest month (with the highest rainfall) is March (236mm).
The driest month (with the least rainfall) is August (29mm).

Average rainfall days in September
Notoprajan, Indonesia
  • Average rainfall days in September: 17.1 days

The month with the highest number of rainy days is January (30.3 days).
The month with the least rainy days is August (13.8 days).

Average daylight in September /
Average sunshine in September
Notoprajan, 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 5min

The month with the most sunshine is February (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 7h and 24min).

Average sunshine days in September
Notoprajan, Indonesia
  • Average sunshine days in September: 7.5 days

The month with the most sunshine days is August (11.1 days).
The months with the least sunshine days are January and February (0.4 days).

Average UV index in September
Notoprajan, Indonesia
  • Average UV index in September: 6

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

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

The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July and August (Cloud cover 38).

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

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

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