September weather forecastNyimbwa, Uganda

September

Weather in September

September, the first month of the autumn in Nyimbwa, is also a moderately hot month, with an average temperature ranging between max 25.4°C (77.7°F) and min 16.9°C (62.4°F).

Temperature

Nyimbwa marks the arrival of September with an average high-temperature of a still warm 25.4°C (77.7°F), hardly different from August's 25.7°C (78.3°F). Nyimbwa's nights in September cool down to an average low-temperature of 16.9°C (62.4°F).

Humidity

In September, the average relative humidity in Nyimbwa is 81%.

Rainfall

In Nyimbwa, in September, during 23.5 rainfall days, 40mm (1.57") of precipitation is typically accumulated. In Nyimbwa, during the entire year, the rain falls for 231.2 days and collects up to 477mm (18.78") of precipitation.

Daylight

In September, the average length of the day in Nyimbwa is 12h and 7min.
On the first day of September in Nyimbwa, sunrise is at 06:45 and sunset at 18:53. On the last day of the month, sunrise is at 06:36 and sunset at 18:42 EAT.

Sunshine

The average sunshine in September in Nyimbwa, Uganda, is 9.2h.

UV index

The months with the lowest UV index are June, July, September and October, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 5 during September leads to these advisories:
Exercise prevention - Precautions against solar damage are endorsed. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays.

Updated: Feb 6, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

During September, Nyimbwa experiences an average high-temperature of 25.4°C (77.7°F) and a low-temperature of 16.9°C (62.4°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, in March is evaluated at 30°C (86°F).

In Nyimbwa, Uganda, the average relative humidity in September is 81%.

In September, the rain falls for 23.5 days. Throughout September, 40mm (1.57") of precipitation is accumulated.

In Nyimbwa, the average day length in September is 12h and 7min.

In September, on the first day of the month, sunrise is at 06:45 and sunset at 18:53. On the last day of the month, in Nyimbwa, Uganda, sunrise is at 06:36 and sunset at 18:42 EAT.

In September, the average sunshine duration in Nyimbwa is 9.2h.

June, July, September and October, with an average maximum UV index of 5, are months with the lowest UV index in Nyimbwa.

The average daily maximum UV index in September in Nyimbwa is 5. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

25.7°C

25.4°C

25.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

7.3km/h

6.1km/h

6.2km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

5.3

2.4

3.1

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Nyimbwa, Uganda

Average high temperature in September: 25.4°C

The warmest month (with the highest average high temperature) is February (28.3°C).
The month with the lowest average high temperature is May (24.4°C).

Average low temperature in September: 16.9°C

The month with the highest average low temperature is March (17.8°C).
The coldest month (with the lowest average low temperature) is July (16.3°C).

Average pressure in September
Nyimbwa, Uganda

Average pressure in September: 1012.4mbar

The months with the highest atmospheric pressure are June and July (1013.7mbar).
The month with the lowest atmospheric pressure is February (1009.7mbar).

Average wind speed in September
Nyimbwa, Uganda

Average wind speed in September: 5.6km/h

The windiest months (with the highest average wind speed) are February, March, May and June (7.4km/h).
The calmest months (with the lowest average wind speed) are November and December (5.2km/h).

Average humidity in September
Nyimbwa, Uganda

Average humidity in September: 81%

The month with the highest relative humidity is November (85%).
The months with the lowest relative humidity are January and February (72%).

Average rainfall in September
Nyimbwa, Uganda

Average rainfall in September: 40mm

The wettest month (with the highest rainfall) is October (70mm).
The driest month (with the least rainfall) is January (18mm).

Average rainfall days in September
Nyimbwa, Uganda

Average rainfall days in September: 23.5 days

The months with the highest number of rainy days are September and October (23.5 days).
The month with the least rainy days is January (10.8 days).

Average daylight in September /
Average sunshine in September
Nyimbwa, Uganda

Average daylight in September: 12h and 6min

The month with the longest days is June (Average daylight: 12h and 12min).
The month with the shortest days is December (Average daylight: 12h and 6min).

Average sunshine in September: 9h and 12min

The months with the most sunshine are January and February (Average sunshine: 9h and 30min).
The months with the least sunshine are April and May (Average sunshine: 8h and 24min).

Average sunshine days in September
Nyimbwa, Uganda

Average sunshine days in September: 2.4 days

The month with the most sunshine days is January (14.4 days).
The month with the least sunshine days is September (2.4 days).

Average UV index in September
Nyimbwa, Uganda

Average UV index in September: 5

The months with the highest UV index are January, February, March, April, May, August, November and December (UV index 6).
The months with the lowest UV index are June, July, September and October (UV index 5).