September weather forecast
Kwale, Tanzania

September

Weather in September

September, the first month of the spring in Kwale, is also a moderately hot month, with an average temperature varying between 24.9°C (76.8°F) and 26°C (78.8°F).

Temperature

September ushers in an average high-temperature of a still moderately hot 26°C (78.8°F), aligning closely with the preceding month. Kwale's nighttime temperature in September experiences a slight dip from daytime highs, falling to an average of 24.9°C (76.8°F).

Humidity

In Kwale, the average relative humidity in September is 78%.

Rainfall

In Kwale, during September, the rain falls for 16.5 days and regularly aggregates up to 33mm (1.3") of precipitation. In Kwale, Tanzania, during the entire year, the rain falls for 239.9 days and collects up to 1266mm (49.84") of precipitation.

Daylight

In September, the average length of the day in Kwale, Tanzania, is 12h and 5min.
On the first day of the month, sunrise is at 06:19 and sunset at 18:21. On the last day of September, in Kwale, sunrise is at 06:06 and sunset at 18:15 EAT.

Sunshine

In September, the average sunshine in Kwale, Tanzania, is 8.7h.

UV index

The months with the highest UV index in Kwale are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Kwale are January through December, with an average maximum UV index of 7. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index of 7 during September translates into these guidelines:
Resist overexposure. Safeguarding from solar damage is indispensable. 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. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.

Frequently asked questions

What are the temperatures in Kwale in September?
In Kwale, in September, the average high-temperature is 26°C (78.8°F), and the average low-temperature is 24.9°C (76.8°F). In May, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is calculated to be 31°C (87.8°F).
What is the average humidity in September in Kwale?
In Kwale, the average relative humidity in September is 78%.
How many days does it rain in September in Kwale?
In September, the rain falls for 16.5 days. Throughout September, 33mm (1.3") of precipitation is accumulated.
How many hours of daylight does Kwale have in September?
The average day length in September in Kwale, Tanzania, is 12h and 5min.
When is the sunrise / sunset in September in Kwale?
On the first day of September, sunrise is at 06:19 and sunset at 18:21. On the last day of the month, sunrise is at 06:06 and sunset at 18:15 EAT.
How long on average sun shines in September in Kwale?
In Kwale, the average sunshine duration in September is 8.7h.
When is the highest UV index in Kwale?
January through December, with an average maximum UV index of 7, are months with the highest UV index in Kwale, Tanzania.
What is the month with the lowest UV index in Kwale?
January through December, with an average maximum UV index of 7, are months with the lowest UV index in Kwale, Tanzania.
What is the UV index reading in September in Kwale?
In September, the average daily maximum UV index is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from 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
Kwale, Tanzania
  • Average high temperature in September: 26°C

The warmest month (with the highest average high temperature) is March (29.2°C).
The month with the lowest average high temperature is August (25.9°C).

  • Average low temperature in September: 24.9°C

The month with the highest average low temperature is March (28°C).
The coldest month (with the lowest average low temperature) is August (24.7°C).

Average pressure in September
Kwale, Tanzania
  • Average pressure in September: 1015.5mbar

The month with the highest atmospheric pressure is July (1016.4mbar).
The month with the lowest atmospheric pressure is February (1010.3mbar).

Average wind speed in September
Kwale, Tanzania
  • Average wind speed in September: 21.7km/h

The windiest month (with the highest average wind speed) is July (28.4km/h).
The calmest month (with the lowest average wind speed) is November (13.7km/h).

Average humidity in September
Kwale, Tanzania
  • Average humidity in September: 78%

The month with the highest relative humidity is October (79%).
The months with the lowest relative humidity are March, June, July and December (76%).

Average rainfall in September
Kwale, Tanzania
  • Average rainfall in September: 33mm

The wettest month (with the highest rainfall) is May (296mm).
The driest month (with the least rainfall) is August (26mm).

Average rainfall days in September
Kwale, Tanzania
  • Average rainfall days in September: 16.5 days

The month with the highest number of rainy days is April (27.7 days).
The month with the least rainy days is February (10.4 days).

Average daylight in September /
Average sunshine in September
Kwale, Tanzania
  • Average daylight in September: 12h and 1min

The month with the longest days is December (Average daylight: 12h and 24min).
The month with the shortest days is June (Average daylight: 11h and 48min).

  • Average sunshine in September: 8h and 4min

The month with the most sunshine is November (Average sunshine: 10h and 42min).
The month with the least sunshine is May (Average sunshine: 7h and 36min).

Average sunshine days in September
Kwale, Tanzania
  • Average sunshine days in September: 8.6 days

The month with the most sunshine days is February (12.5 days).
The month with the least sunshine days is April (1.8 days).

Average UV index in September
Kwale, Tanzania
  • 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
Kwale, Tanzania
  • Average cloud cover in September: 36

The month with the most cloud cover is May (Cloud cover 45).
The month with the least cloud cover is December (Cloud cover 26).

Average visibility in September
Kwale, Tanzania
  • Average visibility in September: 10km

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

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