Historical weather forecast in Penang in September 2009

Weather rating: 1/4 - Unfavorable
Access the daily history of weather forecasts in Penang in September 2009, with the monthly averages and day-by-day details.
Long-term weather

Summary

Weather summary for the month of September 2009 in Penang

Find the main data from the archived weather forecasts in Penang for September 2009.

What was the weather like that month?

The archived weather forecasts in Penang in September 2009 predicted a month forecast to be rather warm, with average highs of 29.5°C, lows of 25.8°C and an average temperature of 28.1°C. The forecasts predicted a very rainy month, with about 428.3 mm of accumulated rainfall. 26 days were forecast to have measurable precipitation. The most frequently reported type of weather at midday was Patchy rain nearby, accounting for about 33.3% of the days. 16 days were forecast to have highs of at least 30°C. On average, forecasts predicted about 25.8°C around 6 AM, 28.8°C around noon and 27.5°C around 6 PM. The hottest day reported reached 31.0°C on 2 of the month. The highest forecasted daily rainfall accumulation reached 62.9 mm on 19 of the month.

Max temp
29.5°C
Min temp
25.8°C
Avg. Temp
28.1°C
Rain
428.3 mm

Dominant weather conditions in September 2009

Compare the most frequently forecast weather conditions in Penang, Malaysia over the month of September 2009 for the 6:00, 12:00 and 18:00 slots.

From 1er to 30 September 2009
From 1er to 10 September 2009
From 11 to 20 September 2009
From 21 to 30 September 2009

Weather calendar in Penang in September 2009

Find the daily details of archived weather forecasts in Penang for September 2009, including temperatures, rain, wind and humidity.

DayDay WeatherWeather Max tempMax temp Min tempMin temp PrecipitationPrecipitation RatingWeather rating: WindWind HumidityHumidity HistoryHistory DetailsDetails
01 Sep.
Moderate or heavy rain shower
27.0°C 26.0°C 10.6 mm 0/4 10.0 km/h 92%
02 Sep.
Clear/Sunny
31.0°C 24.0°C 0.5 mm 3/4 9.0 km/h 86%
03 Sep.
Patchy rain nearby
29.0°C 26.0°C 6.4 mm 1/4 12.0 km/h 86%
04 Sep.
Clear/Sunny
30.0°C 26.0°C 4.5 mm 2/4 10.0 km/h 85%
05 Sep.
Partly Cloudy
30.0°C 26.0°C 6.7 mm 1/4 11.0 km/h 88%
06 Sep.
Partly Cloudy
29.0°C 25.0°C 9.6 mm 0/4 12.0 km/h 91%
07 Sep.
Clear/Sunny
31.0°C 26.0°C 0.2 mm 3/4 10.0 km/h 76%
08 Sep.
Clear/Sunny
31.0°C 27.0°C 2.2 mm 2/4 10.0 km/h 84%
09 Sep.
Patchy rain nearby
30.0°C 27.0°C 6.8 mm 1/4 10.0 km/h 84%
10 Sep.
Clear/Sunny
30.0°C 26.0°C 6.6 mm 1/4 9.0 km/h 84%
11 Sep.
Moderate or heavy rain shower
30.0°C 26.0°C 23.6 mm 0/4 10.0 km/h 82%
12 Sep.
Moderate or heavy rain shower
29.0°C 26.0°C 16.4 mm 0/4 13.0 km/h 89%
13 Sep.
Moderate or heavy rain shower
29.0°C 26.0°C 12.5 mm 0/4 8.0 km/h 87%
14 Sep.
Patchy rain nearby
30.0°C 25.0°C 10.9 mm 0/4 12.0 km/h 90%
15 Sep.
Patchy rain nearby
29.0°C 26.0°C 15.4 mm 0/4 10.0 km/h 88%
16 Sep.
Patchy rain nearby
30.0°C 26.0°C 4.3 mm 1/4 8.0 km/h 85%
17 Sep.
Patchy rain nearby
31.0°C 26.0°C 19.0 mm 0/4 9.0 km/h 86%
18 Sep.
Patchy rain nearby
29.0°C 26.0°C 19.8 mm 0/4 6.0 km/h 91%
19 Sep.
Moderate or heavy rain shower
28.0°C 25.0°C 62.9 mm 0/4 12.0 km/h 93%
20 Sep.
Patchy light rain
29.0°C 24.0°C 34.8 mm 0/4 8.0 km/h 89%
21 Sep.
Clear/Sunny
30.0°C 26.0°C 0.2 mm 3/4 13.0 km/h 80%
22 Sep.
Patchy rain nearby
29.0°C 26.0°C 7.9 mm 1/4 13.0 km/h 84%
23 Sep.
Moderate or heavy rain shower
29.0°C 25.0°C 22.6 mm 0/4 13.0 km/h 86%
24 Sep.
Patchy rain nearby
30.0°C 26.0°C 10.1 mm 0/4 9.0 km/h 82%
25 Sep.
Moderate or heavy rain shower
30.0°C 26.0°C 12.5 mm 0/4 11.0 km/h 83%
26 Sep.
Clear/Sunny
30.0°C 26.0°C 0.0 mm 3/4 8.0 km/h 82%
27 Sep.
Patchy rain nearby
31.0°C 27.0°C 3.6 mm 2/4 8.0 km/h 82%
28 Sep.
Partly Cloudy
29.0°C 27.0°C 4.7 mm 2/4 15.0 km/h 81%
29 Sep.
Moderate or heavy rain shower
28.0°C 25.0°C 34.6 mm 0/4 12.0 km/h 90%
30 Sep.
Torrential rain shower
28.0°C 26.0°C 58.4 mm 0/4 12.0 km/h 90%

Compare the weather for September 2009 in Penang with other months in the archives

Compare the main data from archived weather forecasts in Penang for September 2009 with one previous month and one following month among all available archives, to more easily spot differences in temperature, rain, wind and brightness.

Analyzed month
September 2009
Data type August 2009 September 2009 October 2009
Average temperature 27.9°C 28.1°C 27.4°C
Maximum temperature 29.2°C 29.5°C 28.8°C
Minimum temperature 25.8°C 25.8°C 25.6°C
Highest maximum temperature 31.0°C 31.0°C 30.0°C
Highest minimum temperature 27.0°C 27.0°C 27.0°C
Lowest minimum temperature 25.0°C 24.0°C 24.0°C
Wind speed 10 km/h 10 km/h 10 km/h
Wind temperature 25.8°C 25.8°C 25.6°C
Average precipitation per day 20.0 mm 14.3 mm 13.1 mm
Record rainfall in one day 60.5 mm 62.9 mm 41.9 mm
Total precipitation over the month 620.9 mm 428.3 mm 407.1 mm
Number of days with precipitation 30 26 30
Humidity 87% 86% 87%
Visibility 8.4 km 8.9 km 8.8 km
Cloud cover 39% 41% 45%
Heat index 34 35 33
Dew point 25.1°C 25.2°C 24.6°C
Pressure 1,011 hPa 1,011 hPa 1,012 hPa
Sunrise time 07:14:29 07:09:50 07:05:02
Sunset time 19:31:50 19:18:30 19:05:00
Day length 12:17 12:08 11:59

Average temperature

September 2009
28.1°C
August 2009
27.9°C
October 2009
27.4°C

Maximum temperature

September 2009
29.5°C
August 2009
29.2°C
October 2009
28.8°C

Minimum temperature

September 2009
25.8°C
August 2009
25.8°C
October 2009
25.6°C

Highest maximum temperature

September 2009
31.0°C
August 2009
31.0°C
October 2009
30.0°C

Highest minimum temperature

September 2009
27.0°C
August 2009
27.0°C
October 2009
27.0°C

Lowest minimum temperature

September 2009
24.0°C
August 2009
25.0°C
October 2009
24.0°C

Wind speed

September 2009
10 km/h
August 2009
10 km/h
October 2009
10 km/h

Wind temperature

September 2009
25.8°C
August 2009
25.8°C
October 2009
25.6°C

Average precipitation per day

September 2009
14.3 mm
August 2009
20.0 mm
October 2009
13.1 mm

Record rainfall in one day

September 2009
62.9 mm
August 2009
60.5 mm
October 2009
41.9 mm

Total precipitation over the month

September 2009
428.3 mm
August 2009
620.9 mm
October 2009
407.1 mm

Number of days with precipitation

September 2009
26
August 2009
30
October 2009
30

Humidity

September 2009
86%
August 2009
87%
October 2009
87%

Visibility

September 2009
8.9 km
August 2009
8.4 km
October 2009
8.8 km

Cloud cover

September 2009
41%
August 2009
39%
October 2009
45%

Heat index

September 2009
35
August 2009
34
October 2009
33

Dew point

September 2009
25.2°C
August 2009
25.1°C
October 2009
24.6°C

Pressure

September 2009
1,011 hPa
August 2009
1,011 hPa
October 2009
1,012 hPa

Sunrise time

September 2009
07:09:50
August 2009
07:14:29
October 2009
07:05:02

Sunset time

September 2009
19:18:30
August 2009
19:31:50
October 2009
19:05:00

Day length

September 2009
12:08
August 2009
12:17
October 2009
11:59

Nearby of Penang

Find on the map and in the list the towns closest to of Penang to view the archived weather forecast history for the same period.

71 cities
Loading...
Top
Switch to imperial units?

Temperatures are shown in degrees Celsius and precipitation in millimetres. Based on your country of connection, °F and inches may be more familiar to you.