Mendi weather in September
In September, Mendi sees average daytime highs of 20°C and overnight lows near 13°C, with 567 mm of rain across 28.4 wet days and about 12 hours of daylight. It is the 9th-warmest and 3rd-wettest month of the year here.
Day-to-day highs hold fairly steady near 20°C through the month. The sky is clear or mostly clear about 0% of the time in September, and the air most often feels comfortable.
Daylight stretches from about 11 h 54 min at the start of September to 12 hours by month's end. Set against the rest of the year, September is Mendi's 3rd-clearest and 4th-windiest month. For the whole year in context, see Mendi's year-round climate.
- Daytime high
- 20°
- 9th warmest
- Overnight low
- 13°
- 4th coldest
- Rainfall
- 567 mm
- 28.4 wet days
- Daylight
- 12 hours
- 6:21 AM – 6:19 PM
- Cloud cover
- 90%
- 3rd clearest
- Wind
- 4 km/h
- 4th windiest
- Solar energy
- 4.34 kWh/m²
- Travel score
- 3.4
- out of 10
Mendi is capital city of Southern Highlands, Papua New Guinea.
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in September
Day-to-day highs hold fairly steady near 20°C through the month.
A typical September day in Mendi reaches about 20°C in the afternoon and slips back to 13°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 18°C and 22°C. Set against its neighbours, September runs on par with August and on par with October.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 | 21 |
| Avg low (°C) | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 20 | 13 |
| 2 | 20 | 13 |
| 3 | 20 | 13 |
| 4 | 20 | 13 |
| 5 | 20 | 13 |
| 6 | 20 | 13 |
| 7 | 20 | 13 |
| 8 | 20 | 13 |
| 9 | 20 | 13 |
| 10 | 20 | 13 |
| 11 | 20 | 13 |
| 12 | 20 | 13 |
| 13 | 20 | 13 |
| 14 | 20 | 13 |
| 15 | 20 | 13 |
| 16 | 20 | 13 |
| 17 | 20 | 13 |
| 18 | 20 | 13 |
| 19 | 20 | 13 |
| 20 | 20 | 13 |
| 21 | 20 | 13 |
| 22 | 21 | 13 |
| 23 | 21 | 13 |
| 24 | 21 | 13 |
| 25 | 21 | 13 |
| 26 | 21 | 13 |
| 27 | 21 | 13 |
| 28 | 21 | 13 |
| 29 | 21 | 13 |
| 30 | 21 | 13 |
Mendi weather by month
How September compares with the rest of the year at a glance. September is the 9th-warmest and 3rd-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 22° / 13° | 450 | 29.4 | 12.3 | 3.4 |
| Feb | 22° / 13° | 427 | 26.8 | 12.2 | 3.4 |
| Mar | 21° / 13° | 504 | 29.9 | 12 | 3.3 |
| Apr | 21° / 14° | 583 | 29.2 | 11.9 | 3.3 |
| May | 21° / 13° | 557 | 29.9 | 11.7 | 3.4 |
| Jun | 20° / 13° | 468 | 29.1 | 11.7 | 3.3 |
| Jul | 20° / 13° | 412 | 29.7 | 11.7 | 3.3 |
| Aug | 20° / 13° | 480 | 29.6 | 11.8 | 3.3 |
| Sep | 20° / 13° | 567 | 28.4 | 12 | 3.4 |
| Oct | 21° / 13° | 591 | 28.7 | 12.1 | 3.5 |
| Nov | 22° / 13° | 486 | 28 | 12.3 | 3.5 |
| Dec | 22° / 13° | 452 | 29.3 | 12.4 | 3.4 |
Cloud cover in September
The sky is clear or mostly clear about 0% of the time in September.
Beyond those clear spells, partly cloudy skies cover about 2% of September, with mostly cloudy or overcast conditions the remaining 98%.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 |
| Cloudier (%) | 98 | 98 | 98 | 98 | 98 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 98 | 99 | 99 | 99 | 99 | 99 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 2 | 98 |
| 2 | 2 | 98 |
| 3 | 2 | 98 |
| 4 | 2 | 98 |
| 5 | 2 | 98 |
| 6 | 3 | 97 |
| 7 | 3 | 97 |
| 8 | 3 | 97 |
| 9 | 3 | 97 |
| 10 | 3 | 97 |
| 11 | 3 | 97 |
| 12 | 3 | 97 |
| 13 | 3 | 97 |
| 14 | 3 | 97 |
| 15 | 3 | 97 |
| 16 | 3 | 97 |
| 17 | 3 | 97 |
| 18 | 2 | 98 |
| 19 | 2 | 98 |
| 20 | 2 | 98 |
| 21 | 2 | 98 |
| 22 | 2 | 98 |
| 23 | 2 | 98 |
| 24 | 2 | 98 |
| 25 | 2 | 98 |
| 26 | 1 | 99 |
| 27 | 1 | 99 |
| 28 | 1 | 99 |
| 29 | 1 | 99 |
| 30 | 1 | 99 |
Chance of precipitation in September
Mendi gets around 567 mm of rain over 28.4 wet days in September. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 95% and peaks near 96% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 95 | 95 | 95 | 95 | 94 | 94 | 94 | 93 | 93 | 93 | 94 | 94 | 94 | 94 | 94 | 95 | 95 | 95 | 95 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 | 96 |
| Rain chance (%) | |
|---|---|
| 1 | 95 |
| 2 | 95 |
| 3 | 95 |
| 4 | 95 |
| 5 | 94 |
| 6 | 94 |
| 7 | 94 |
| 8 | 93 |
| 9 | 93 |
| 10 | 93 |
| 11 | 94 |
| 12 | 94 |
| 13 | 94 |
| 14 | 94 |
| 15 | 94 |
| 16 | 95 |
| 17 | 95 |
| 18 | 95 |
| 19 | 95 |
| 20 | 96 |
| 21 | 96 |
| 22 | 96 |
| 23 | 96 |
| 24 | 96 |
| 25 | 96 |
| 26 | 96 |
| 27 | 96 |
| 28 | 96 |
| 29 | 96 |
| 30 | 96 |
Humidity in September
Most of September feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, September lands in the comfortable band about 87% of days. It rarely turns muggy — the humid and sticky bands barely register.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 5 | 5 | 6 | 6 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 4 | 5 |
| Comfortable (%) | 89 | 89 | 88 | 88 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 87 | 86 | 86 | 87 | 87 | 88 | 88 | 87 | 88 | 88 | 88 | 88 | 88 | 88 | 88 | 89 | 88 |
| Humid (%) | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| Dry (%) | Comfortable (%) | Humid (%) | |
|---|---|---|---|
| 1 | 5 | 89 | 6 |
| 2 | 5 | 89 | 6 |
| 3 | 6 | 88 | 6 |
| 4 | 6 | 88 | 6 |
| 5 | 7 | 87 | 6 |
| 6 | 7 | 87 | 6 |
| 7 | 8 | 87 | 5 |
| 8 | 8 | 87 | 5 |
| 9 | 8 | 87 | 5 |
| 10 | 8 | 87 | 5 |
| 11 | 8 | 87 | 5 |
| 12 | 8 | 87 | 5 |
| 13 | 8 | 87 | 5 |
| 14 | 8 | 87 | 5 |
| 15 | 8 | 86 | 6 |
| 16 | 8 | 86 | 6 |
| 17 | 7 | 87 | 6 |
| 18 | 7 | 87 | 6 |
| 19 | 6 | 88 | 6 |
| 20 | 6 | 88 | 6 |
| 21 | 6 | 87 | 7 |
| 22 | 5 | 88 | 7 |
| 23 | 5 | 88 | 7 |
| 24 | 5 | 88 | 7 |
| 25 | 5 | 88 | 7 |
| 26 | 5 | 88 | 7 |
| 27 | 5 | 88 | 7 |
| 28 | 5 | 88 | 7 |
| 29 | 4 | 89 | 7 |
| 30 | 5 | 88 | 7 |
Wind in September
Winds average 4 km/h in September.
Across September, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 4 | calm |
| 2 | 4 | calm |
| 3 | 4 | calm |
| 4 | 4 | calm |
| 5 | 4 | calm |
| 6 | 4 | calm |
| 7 | 4 | calm |
| 8 | 4 | calm |
| 9 | 4 | calm |
| 10 | 4 | calm |
| 11 | 4 | calm |
| 12 | 4 | calm |
| 13 | 4 | calm |
| 14 | 4 | calm |
| 15 | 4 | calm |
| 16 | 4 | calm |
| 17 | 4 | calm |
| 18 | 4 | calm |
| 19 | 4 | calm |
| 20 | 4 | calm |
| 21 | 4 | calm |
| 22 | 4 | calm |
| 23 | 4 | calm |
| 24 | 4 | calm |
| 25 | 4 | calm |
| 26 | 4 | calm |
| 27 | 4 | calm |
| 28 | 4 | calm |
| 29 | 4 | calm |
| 30 | 4 | calm |
Sunrise & sunset in September
Daylight runs from about 11 h 54 min at the start of September to 12 hours by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 6 minutes over September. Sunrise moves from 6:29 AM to 6:13 AM, and sunset from 6:22 PM to 6:16 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 |
| Sunrise (AM) | 6:29 | 6:28 | 6:28 | 6:27 | 6:27 | 6:26 | 6:26 | 6:25 | 6:24 | 6:24 | 6:23 | 6:23 | 6:22 | 6:22 | 6:21 | 6:21 | 6:20 | 6:20 | 6:19 | 6:19 | 6:18 | 6:17 | 6:17 | 6:16 | 6:16 | 6:15 | 6:15 | 6:14 | 6:14 | 6:13 |
| Sunset (PM) | 6:22 | 6:21 | 6:21 | 6:21 | 6:21 | 6:21 | 6:20 | 6:20 | 6:20 | 6:20 | 6:20 | 6:19 | 6:19 | 6:19 | 6:19 | 6:19 | 6:18 | 6:18 | 6:18 | 6:18 | 6:18 | 6:18 | 6:17 | 6:17 | 6:17 | 6:17 | 6:17 | 6:16 | 6:16 | 6:16 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.9 | 6:29 | 6:22 |
| 2 | 11.9 | 6:28 | 6:21 |
| 3 | 11.9 | 6:28 | 6:21 |
| 4 | 11.9 | 6:27 | 6:21 |
| 5 | 11.9 | 6:27 | 6:21 |
| 6 | 11.9 | 6:26 | 6:21 |
| 7 | 11.9 | 6:26 | 6:20 |
| 8 | 11.9 | 6:25 | 6:20 |
| 9 | 11.9 | 6:24 | 6:20 |
| 10 | 11.9 | 6:24 | 6:20 |
| 11 | 11.9 | 6:23 | 6:20 |
| 12 | 11.9 | 6:23 | 6:19 |
| 13 | 11.9 | 6:22 | 6:19 |
| 14 | 12.0 | 6:22 | 6:19 |
| 15 | 12.0 | 6:21 | 6:19 |
| 16 | 12.0 | 6:21 | 6:19 |
| 17 | 12.0 | 6:20 | 6:18 |
| 18 | 12.0 | 6:20 | 6:18 |
| 19 | 12.0 | 6:19 | 6:18 |
| 20 | 12.0 | 6:19 | 6:18 |
| 21 | 12.0 | 6:18 | 6:18 |
| 22 | 12.0 | 6:17 | 6:18 |
| 23 | 12.0 | 6:17 | 6:17 |
| 24 | 12.0 | 6:16 | 6:17 |
| 25 | 12.0 | 6:16 | 6:17 |
| 26 | 12.0 | 6:15 | 6:17 |
| 27 | 12.0 | 6:15 | 6:17 |
| 28 | 12.0 | 6:14 | 6:16 |
| 29 | 12.0 | 6:14 | 6:16 |
| 30 | 12.0 | 6:13 | 6:16 |
Solar energy in September
Average shortwave solar energy reaching the ground each day in September, about 4.34 kWh/m².
For context, solar energy here swings from a low near 3.57 kWh/m² to a high of 4.88 kWh/m² in November across the year — September's 4.34 kWh/m² falls in the middle.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.1 | 4.1 | 4.1 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.2 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.6 | 4.6 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.1 | Bright |
| 2 | 4.1 | Bright |
| 3 | 4.1 | Bright |
| 4 | 4.2 | Bright |
| 5 | 4.2 | Bright |
| 6 | 4.2 | Bright |
| 7 | 4.2 | Bright |
| 8 | 4.2 | Bright |
| 9 | 4.2 | Bright |
| 10 | 4.2 | Bright |
| 11 | 4.2 | Bright |
| 12 | 4.3 | Bright |
| 13 | 4.3 | Bright |
| 14 | 4.3 | Bright |
| 15 | 4.3 | Bright |
| 16 | 4.3 | Bright |
| 17 | 4.3 | Bright |
| 18 | 4.4 | Bright |
| 19 | 4.4 | Bright |
| 20 | 4.4 | Bright |
| 21 | 4.4 | Bright |
| 22 | 4.4 | Bright |
| 23 | 4.5 | Bright |
| 24 | 4.5 | Bright |
| 25 | 4.5 | Bright |
| 26 | 4.5 | Bright |
| 27 | 4.5 | Bright |
| 28 | 4.5 | Bright |
| 29 | 4.6 | Bright |
| 30 | 4.6 | Bright |
Is September a good time to visit Mendi?
Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
September is a weaker month for outdoor sightseeing in Mendi.
What to pack for Mendi in September
From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In September, Mendi sees daytime highs around 20°C and nights near 13°C. Pack rain gear. About 28 days see rain.
UV index in Mendi in September
Clear-sky midday UV in September peaks around 16 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Mendi peaks around March 14 at about 18 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 19 at about 12 (extreme).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 17 | 17 | 18 | 16 | 14 | 12 | 12 | 14 | 16 | 16 | 16 | 15 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 17 | Extreme |
| Feb | 17 | Extreme |
| Mar | 18 | Extreme |
| Apr | 16 | Extreme |
| May | 14 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 14 | Extreme |
| Sep | 16 | Extreme |
| Oct | 16 | Extreme |
| Nov | 16 | Extreme |
| Dec | 15 | Extreme |
Where is Mendi?
Mendi sits at 6.1°S, 143.7°E, 1,729 m above sea level, in Papua New Guinea. The nearest listed city is Mount Hagen, 71 km away.
Topography around Mendi
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mendi.
Within 3 km, the terrain around Mendi has large variations in elevation — a maximum elevation change of 889 m around an average of 1,903 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,714 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,228 m.
The land around Mendi is covered by trees (63%) and grassland (33%) within 3 km, trees (80%) within 16 km, and trees (87%) within 80 km.
Papua New Guinea travel facts
- Travel advisory
- Level 3
- Reconsider Travel
- Power plugs
- Type I
- 240 V · 50 Hz
- Prices
- ≈ 58% of US
- price level, 2025
- GDP per capita
- $3,020
- 2025
- Homicide rate
- 9.3
- per 100k, 2010
- Road deaths
- 12.6
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Mendi (-6.1475°, 143.6563°, elevation 1,729 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).